/* roulang page: index */
:root{
  --bg:#0A0C0B;
  --bg-2:#0F1412;
  --surface:#151C1A;
  --surface-2:#1B2421;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#35F2B6;
  --primary-dark:#1FB98A;
  --violet:#7C5CFF;
  --amber:#F7C948;
  --coral:#FF6B6B;
  --text:#F4FFF9;
  --text-2:#A7B7B1;
  --text-3:#6E7F79;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --radius-pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.32);
  --shadow-float:0 24px 80px rgba(0,0,0,.45);
  --shadow-neon:0 0 0 1px rgba(53,242,182,.18),0 0 28px rgba(53,242,182,.18);
  --container:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease)}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.26;letter-spacing:.01em;color:var(--text)}
h1{font-size:clamp(2.25rem,4.6vw,3.5rem);font-weight:900;line-height:1.15}
h2{font-size:clamp(1.75rem,3vw,2.4rem);font-weight:800}
h3{font-size:1.3rem;font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(53,242,182,.3);color:#04211A}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}

.grid-x.grid-padding-x{margin-left:-14px;margin-right:-14px}
.grid-x.grid-padding-x > .cell{padding-left:14px;padding-right:14px}
.grid-x.grid-padding-y > .cell{padding-top:14px;padding-bottom:14px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,11,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  position:relative;width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  box-shadow:0 0 20px rgba(53,242,182,.38);
}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:4px;background:#0A0C0B}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--text);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:11px 13px;font-size:15px;font-weight:500;color:var(--text-2);border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary);text-shadow:0 0 16px rgba(53,242,182,.5)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-cta{margin-left:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.28s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-mask{
  position:fixed;inset:0;background:rgba(4,6,5,.7);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.mobile-mask.is-open{opacity:1;visibility:visible}
.mobile-nav{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:80;
  background:var(--bg-2);border-left:1px solid var(--line);
  padding:96px 24px 36px;display:flex;flex-direction:column;gap:4px;
  transform:translateX(102%);transition:transform .34s var(--ease);overflow-y:auto;
}
.mobile-nav.is-open{transform:translateX(0)}
.mobile-nav a{
  padding:14px 4px;font-size:17px;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:hover,.mobile-nav a.is-active{color:var(--primary)}
.mobile-nav .btn{margin-top:22px;width:100%}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:11px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .26s var(--ease),background-color .26s var(--ease),color .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.btn-primary{background:var(--primary);color:#04211A;box-shadow:0 8px 26px rgba(53,242,182,.2)}
.btn-primary:hover{background:#54ffc8;color:#04211A;box-shadow:0 12px 36px rgba(53,242,182,.38);transform:translateY(-2px)}
.btn-outline{border-color:rgba(53,242,182,.45);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#04211A;border-color:var(--primary);transform:translateY(-2px)}
.btn-ghost{position:relative;color:var(--text-2);padding:13px 2px;border-radius:0}
.btn-ghost::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:1px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.btn-ghost:hover{color:var(--primary)}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.btn-lg{padding:17px 42px;font-size:17px;border-radius:13px}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg-2);border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.34;transform:scale(1.08);animation:heroDrift 26s ease-in-out infinite alternate;
}
@keyframes heroDrift{from{transform:scale(1.08) translateY(0)}to{transform:scale(1.14) translateY(-14px)}}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:linear-gradient(rgba(53,242,182,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(53,242,182,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 78%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,12,11,.6) 0%,rgba(10,12,11,.88) 52%,var(--bg) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  gap:60px;align-items:center;padding:104px 0 92px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 15px;border-radius:var(--radius-pill);
  border:1px solid rgba(53,242,182,.3);background:rgba(53,242,182,.07);
  font-size:13px;font-weight:600;color:var(--primary);margin-bottom:26px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary);font-style:normal}
.hero-title{margin-bottom:22px}
.hero-title em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-2);max-width:560px;margin-bottom:34px}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
  margin-top:46px;padding-top:30px;border-top:1px solid var(--line);
}
.metric-label{display:block;font-size:15px;font-weight:700;color:var(--text);margin-bottom:6px}
.metric-desc{display:block;font-size:13.5px;line-height:1.7;color:var(--text-3)}

.hero-visual{position:relative}
.kv-card{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line-strong);background:var(--surface);
  box-shadow:var(--shadow-float);
}
.kv-card img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.92}
.kv-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:26px 24px 24px;
  background:linear-gradient(180deg,rgba(10,12,11,0) 0%,rgba(10,12,11,.92) 62%);
}
.kv-tag{
  display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(124,92,255,.18);border:1px solid rgba(124,92,255,.45);
  color:#C9BAFF;font-size:12.5px;font-weight:600;margin-bottom:12px;
}
.kv-overlay h3{font-size:1.25rem;margin-bottom:8px}
.kv-overlay p{font-size:14px;color:var(--text-2);margin:0;line-height:1.7}
.float-badge{
  position:absolute;display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:var(--radius-m);
  background:rgba(21,28,26,.92);border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);backdrop-filter:blur(8px);
}
.float-badge span{font-size:12px;color:var(--text-3);letter-spacing:.08em}
.float-badge strong{font-size:15px;font-weight:700;color:var(--primary)}
.badge-a{top:-18px;right:-12px;animation:floatY 6s ease-in-out infinite}
.badge-b{bottom:-20px;left:-16px;animation:floatY 7.5s ease-in-out infinite reverse}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- Section base ---------- */
.section{padding:104px 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:52px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--primary);margin-bottom:16px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--primary);opacity:.7}
.section-title{margin-bottom:18px}
.section-desc{color:var(--text-2);font-size:16px;line-height:1.85;margin:0;max-width:720px}

/* ---------- Steps ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:12px}
.steps::before{
  content:"";position:absolute;left:0;right:12%;top:22px;height:1px;
  background:linear-gradient(90deg,rgba(53,242,182,.45),rgba(124,92,255,.28),transparent);
}
.step{position:relative;padding:0 26px 0 0}
.step-num{
  position:relative;z-index:1;display:inline-block;padding-right:14px;background:var(--bg);
  font-size:36px;font-weight:900;line-height:1;color:rgba(53,242,182,.24);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.section-alt .step-num{background:var(--bg-2)}
.step.is-active .step-num{color:var(--primary);text-shadow:0 0 26px rgba(53,242,182,.35)}
.step-title{margin:22px 0 10px;font-size:1.18rem}
.step-text{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0}

/* ---------- Reward cards ---------- */
.reward-card{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease);
}
.reward-card:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.42);box-shadow:var(--shadow-card)}
.reward-media{position:relative;overflow:hidden;background:#0d1210}
.reward-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s var(--ease)}
.reward-card:hover .reward-media img{transform:scale(1.06)}
.rarity{
  position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;backdrop-filter:blur(6px);
}
.rarity-common{background:rgba(53,242,182,.16);border:1px solid rgba(53,242,182,.45);color:#8DFFDC}
.rarity-rare{background:rgba(124,92,255,.18);border:1px solid rgba(124,92,255,.5);color:#C9BAFF}
.rarity-epic{background:rgba(247,201,72,.15);border:1px solid rgba(247,201,72,.45);color:#F7C948}
.reward-body{padding:24px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.reward-body h3{font-size:1.16rem}
.reward-body p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0}
.reward-value{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);display:flex;justify-content:space-between;gap:10px;
}
.reward-value strong{color:var(--amber);font-weight:700}

/* ---------- Task board ---------- */
.board{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:32px 30px;
}
.progress-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px}
.progress-head span:first-child{font-size:15px;font-weight:700}
.progress-value{font-size:13.5px;color:var(--primary);font-weight:600}
.progress-track{height:10px;border-radius:var(--radius-pill);background:rgba(255,255,255,.06);overflow:hidden}
.progress-fill{
  height:100%;width:0;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--primary-dark),var(--primary));
  box-shadow:0 0 18px rgba(53,242,182,.5);
  transition:width 1.2s var(--ease);
}
.task-list{margin-top:30px;display:flex;flex-direction:column;gap:2px}
.task-item{
  display:flex;align-items:center;gap:16px;padding:16px 4px;
  border-bottom:1px solid var(--line);
}
.task-item:last-child{border-bottom:0}
.task-index{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--text-3);
  background:var(--surface-2);border:1px solid var(--line);
}
.task-item h4{margin:0 0 4px;font-size:15.5px;font-weight:600;color:var(--text)}
.task-item p{margin:0;font-size:13.5px;color:var(--text-3);line-height:1.6}
.status{
  margin-left:auto;flex:0 0 auto;padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;white-space:nowrap;
}
.status-todo{background:rgba(255,255,255,.05);color:var(--text-3);border:1px solid var(--line)}
.status-doing{background:rgba(53,242,182,.12);color:var(--primary);border:1px solid rgba(53,242,182,.4)}
.status-done{background:rgba(124,92,255,.14);color:#C9BAFF;border:1px solid rgba(124,92,255,.42)}

.side-card{
  height:100%;background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:30px 28px;display:flex;flex-direction:column;gap:20px;
}
.side-card h3{font-size:1.2rem}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-list li{display:flex;gap:12px;font-size:14.5px;line-height:1.75;color:var(--text-2)}
.side-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:10px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(53,242,182,.6);
}
.side-note{
  margin-top:auto;padding:16px 18px;border-radius:var(--radius-m);
  background:rgba(53,242,182,.06);border:1px solid rgba(53,242,182,.2);
  font-size:13.5px;line-height:1.75;color:var(--text-2);
}

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  border:1px solid var(--line-strong);padding:56px 52px;
  background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
}
.cta-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,12,11,.95) 0%,rgba(10,12,11,.78) 48%,rgba(10,12,11,.42) 100%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(1.55rem,2.6vw,2.1rem);margin-bottom:12px}
.cta-inner p{color:var(--text-2);font-size:15.5px;margin:0;max-width:620px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Post cards ---------- */
.post-card{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.45);box-shadow:var(--shadow-card)}
.post-card__media{overflow:hidden;background:#0d1210}
.post-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s var(--ease)}
.post-card:hover .post-card__media img{transform:scale(1.05)}
.post-card__body{padding:24px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.tag{
  align-self:flex-start;padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;color:#8DFFDC;
  background:rgba(53,242,182,.1);border:1px solid rgba(53,242,182,.3);
}
.post-card__body h3{font-size:1.12rem;line-height:1.45}
.post-card__body p{
  font-size:14.5px;line-height:1.78;color:var(--text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.meta .arrow{color:var(--primary);font-size:16px;transition:transform .3s var(--ease)}
.post-card:hover .meta .arrow{transform:translateX(4px)}

.empty-state{
  padding:64px 32px;text-align:center;border:1px dashed var(--line-strong);
  border-radius:var(--radius-l);background:var(--surface);max-width:620px;margin:0 auto;
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 20px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(53,242,182,.08);border:1px solid rgba(53,242,182,.28);
  color:var(--primary);font-size:22px;
}
.empty-state h3{margin-bottom:10px;font-size:1.1rem}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:20px}
.empty-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Feature cards ---------- */
.feature-card{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:28px 26px;display:flex;flex-direction:column;gap:14px;
  transition:transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.42);box-shadow:var(--shadow-card)}
.feature-thumb{border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--line)}
.feature-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-card h3{font-size:1.12rem}
.feature-card p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0}
.feature-link{
  margin-top:auto;padding-top:16px;font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:8px;
}
.feature-link span{transition:transform .3s var(--ease)}
.feature-card:hover .feature-link span{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;transition:border-color .3s var(--ease),background-color .3s var(--ease);
}
.faq-item:hover{border-color:rgba(53,242,182,.3)}
.faq-item.is-open{border-color:rgba(53,242,182,.45);background:var(--surface-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
  border-left:3px solid transparent;transition:border-color .3s var(--ease),color .3s var(--ease);
}
.faq-item.is-open .faq-q{border-left-color:var(--primary);color:var(--primary)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s var(--ease)}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- Final CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  border:1px solid rgba(53,242,182,.28);padding:72px 48px;text-align:center;
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
}
.final-cta::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 100% at 50% 0%,rgba(53,242,182,.16) 0%,rgba(10,12,11,.94) 58%,rgba(10,12,11,.98) 100%);
}
.final-cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto}
.final-cta h2{margin-bottom:16px}
.final-cta p{color:var(--text-2);font-size:15.5px;margin-bottom:30px}
.final-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:#070907;border-top:1px solid rgba(53,242,182,.22);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .brand-text{font-size:18px}
.footer-text{font-size:14px;line-height:1.85;color:var(--text-3);margin:0;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--text-2);margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);color:var(--text-2);font-size:13px;
  transition:border-color .3s var(--ease),color .3s var(--ease);
}
.back-top:hover{border-color:rgba(53,242,182,.5);color:var(--primary)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .52s var(--ease),transform .52s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media screen and (max-width:74.9375em){
  .main-nav{gap:0}
  .nav-link{padding:11px 10px;font-size:14.5px}
  .hero-inner{gap:44px;padding:88px 0 80px}
}
@media screen and (max-width:63.9375em){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:48px;padding:72px 0 68px}
  .hero-visual{max-width:560px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 0}
  .steps::before{display:none}
  .step{padding-right:26px}
  .cta-banner{padding:44px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media screen and (max-width:48em){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:70px 0}
  .section-head{margin-bottom:36px}
  .hero-metrics{grid-template-columns:1fr;gap:16px;margin-top:34px}
  .steps{grid-template-columns:minmax(0,1fr);gap:30px}
  .step{padding-right:0;border-left:1px solid var(--line);padding-left:20px}
  .step-num{font-size:30px}
  .final-cta{padding:52px 24px}
  .cta-banner{padding:36px 24px}
  .board{padding:26px 20px}
  .side-card{padding:26px 20px}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px}
}
@media screen and (max-width:32.5em){
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero-actions .btn,.final-actions .btn{width:100%}
  .empty-actions .btn{width:100%}
  h1{font-size:2rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --bg:#0A0C0B;
  --bg-2:#0F1412;
  --surface:#151C1A;
  --surface-2:#1B2421;
  --border:rgba(255,255,255,.08);
  --border-hi:rgba(53,242,182,.35);
  --primary:#35F2B6;
  --primary-dark:#1FB98A;
  --accent:#7C5CFF;
  --amber:#F7C948;
  --coral:#FF6B6B;
  --text:#F4FFF9;
  --text-2:#A7B7B1;
  --text-3:#6E7F79;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-1:0 12px 32px rgba(0,0,0,.32);
  --shadow-2:0 24px 80px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,242,182,.18), 0 0 28px rgba(53,242,182,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;line-height:1.25;letter-spacing:.01em;}
ul{list-style:none;margin:0;padding:0;}
::selection{background:rgba(53,242,182,.28);color:#04120d;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,12,11,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 14px rgba(53,242,182,.55);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:4px;border-radius:2px;background:var(--bg);
}
.brand-text{font-size:17px;font-weight:900;letter-spacing:.02em;color:var(--text);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--radius-s);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
  box-shadow:0 0 12px rgba(53,242,182,.7);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);text-shadow:0 0 16px rgba(53,242,182,.55);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;margin-left:auto;
  background:transparent;border:1px solid var(--border);border-radius:10px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:18px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;
  padding:12px 24px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:all .28s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#06170f;box-shadow:0 10px 26px rgba(53,242,182,.18);}
.btn-primary:hover{color:#06170f;background:#4bffc4;box-shadow:0 0 0 1px rgba(53,242,182,.5),0 0 32px rgba(53,242,182,.4);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--border-hi);}
.btn-ghost:hover{background:rgba(53,242,182,.12);color:var(--primary);}
.btn-plain{background:transparent;color:var(--text-2);padding:12px 4px;border-radius:0;}
.btn-plain::after{content:"";display:block;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);}
.btn-plain:hover{color:var(--primary);}
.btn-plain:hover::after{transform:scaleX(1);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:14px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,.nav-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;line-height:1;
  padding:7px 13px;border-radius:999px;
  border:1px solid var(--border);color:var(--text-2);background:var(--surface);
}
.badge-primary{color:var(--primary);border-color:rgba(53,242,182,.35);background:rgba(53,242,182,.08);}
.badge-accent{color:#c9bcff;border-color:rgba(124,92,255,.4);background:rgba(124,92,255,.12);}
.badge-amber{color:var(--amber);border-color:rgba(247,201,72,.35);background:rgba(247,201,72,.1);}
.tag{
  display:inline-block;font-size:13px;color:var(--text-2);
  border:1px solid var(--border);border-radius:999px;padding:7px 15px;background:var(--surface);
}
.tag:hover{color:var(--primary);border-color:var(--border-hi);}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--border);background:var(--bg-2);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px 0;font-size:13.5px;color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);opacity:.6;}
.crumb .current{color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  padding:64px 0 44px;
  background:
    linear-gradient(180deg,rgba(10,12,11,.55) 0%,rgba(10,12,11,.96) 78%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--border);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;
}
.article-hero .container{position:relative;z-index:2;}
.article-hero h1{
  font-size:clamp(1.75rem,3.4vw,2.85rem);
  font-weight:900;line-height:1.2;margin:20px 0 18px;max-width:26ch;
}
.article-lead{
  font-size:16.5px;line-height:1.85;color:var(--text-2);
  max-width:78ch;margin:0 0 24px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:14px 26px;font-size:13.5px;color:var(--text-3);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.dot{width:5px;height:5px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(53,242,182,.8);}

/* ---------- 正文布局 ---------- */
.article-wrap{padding:64px 0 88px;background:var(--bg);}
.article-layout{margin:0 -16px;}
.article-main{max-width:820px;}
.article-body{
  font-size:17px;line-height:1.9;color:#d5e3dd;
  word-break:break-word;
}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;color:#d5e3dd;}
.article-body h2{
  font-size:clamp(1.35rem,2.2vw,1.8rem);color:var(--text);
  margin:2.1em 0 .85em;padding-left:16px;border-left:3px solid var(--primary);line-height:1.35;
}
.article-body h3{font-size:1.24rem;color:var(--text);margin:1.7em 0 .6em;}
.article-body h4{font-size:1.06rem;color:var(--text);margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul li{position:relative;padding-left:26px;margin-bottom:.62em;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 0 10px rgba(53,242,182,.4);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:.62em;}
.article-body li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--surface);border-left:3px solid var(--accent);
  border-radius:0 var(--radius-m) var(--radius-m) 0;color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(53,242,182,.35);}
.article-body a:hover{color:#6bffcb;border-color:#6bffcb;}
.article-body img{border-radius:var(--radius-m);margin:1.7em auto;border:1px solid var(--border);}
.article-body figure{margin:1.7em 0;}
.article-body figcaption{font-size:13.5px;color:var(--text-3);text-align:center;margin-top:-.6em;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--border);text-align:left;}
.article-body th{background:var(--surface-2);color:var(--text);font-weight:700;font-size:14px;}
.article-body tr:last-child td{border-bottom:0;}
.article-body pre{
  margin:1.6em 0;padding:18px 20px;overflow-x:auto;
  background:#080A09;border:1px solid var(--border);border-radius:var(--radius-m);
  font-size:14px;line-height:1.7;color:#b6ffdc;
}
.article-body code{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:.92em;
  background:rgba(53,242,182,.1);border:1px solid rgba(53,242,182,.18);
  color:#8ff7ce;padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:none;border:0;padding:0;color:inherit;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.4em 0;}

/* 空态 */
.empty-state{
  text-align:center;padding:72px 28px;border:1px dashed var(--border);
  border-radius:var(--radius-l);background:var(--surface);
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border-hi);color:var(--primary);font-size:22px;
  background:rgba(53,242,182,.08);
}
.empty-state h2{font-size:1.35rem;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* 文末 */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--border);}
.foot-tags{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 30px;}
.foot-nav{display:flex;flex-wrap:wrap;gap:14px;}
.article-note{
  margin-top:34px;padding:20px 22px;border-radius:var(--radius-m);
  background:var(--surface);border:1px solid var(--border);font-size:14px;color:var(--text-3);line-height:1.85;
}

/* 侧栏 */
.article-side{max-width:400px;}
.side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card+.side-card{margin-top:22px;}
.side-title{font-size:15px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.side-title::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(53,242,182,.7);}
.rec-item{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--border);}
.rec-item:last-child{border-bottom:0;padding-bottom:0;}
.rec-thumb{
  flex:0 0 84px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;
  background:var(--surface-2);border:1px solid var(--border);
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;}
.rec-body h4{font-size:14.5px;font-weight:700;line-height:1.5;margin-bottom:6px;}
.rec-item:hover h4{color:var(--primary);}
.rec-body .meta{font-size:12.5px;color:var(--text-3);}
.side-list li{padding:9px 0;border-bottom:1px dashed var(--border);font-size:14.5px;color:var(--text-2);}
.side-list li:last-child{border-bottom:0;}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.side-list a::after{content:"→";color:var(--text-3);transition:transform .25s var(--ease),color .25s var(--ease);}
.side-list a:hover::after{transform:translateX(4px);color:var(--primary);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;margin-top:8px;padding:56px 0;
  background:
    radial-gradient(900px 340px at 12% 0%,rgba(53,242,182,.14),transparent 62%),
    radial-gradient(700px 320px at 92% 100%,rgba(124,92,255,.16),transparent 60%),
    var(--bg-2);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2.1rem);max-width:22ch;}
.cta-inner p{color:var(--text-2);margin:10px 0 0;max-width:48ch;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#070908;border-top:1px solid var(--border);position:relative;padding:64px 0 26px;}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,182,.7),rgba(124,92,255,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-text{font-size:14px;color:var(--text-3);line-height:1.85;max-width:44ch;}
.footer-col h4{font-size:14px;font-weight:800;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-3);
}
.back-top{color:var(--text-2);}
.back-top:hover{color:var(--primary);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none!important;transition-duration:.01ms!important;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .container{padding:0 22px;}
  .article-main{max-width:none;}
  .article-side{max-width:none;margin-top:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:900px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .main-nav.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:rgba(9,11,10,.98);padding:22px;
    border-top:1px solid var(--border);overflow-y:auto;z-index:110;
  }
  .main-nav.is-open .nav-link{font-size:17px;padding:16px 12px;border-bottom:1px solid var(--border);border-radius:0;}
  .main-nav.is-open .nav-link::after{left:12px;right:auto;width:34px;bottom:8px;}
  .article-hero{padding:48px 0 34px;}
  .article-hero h1{margin:16px 0 14px;}
  .article-wrap{padding:48px 0 66px;}
  .cta-band{padding:44px 0;}
}
@media screen and (max-width:520px){
  .container{padding:0 18px;}
  body{font-size:16px;}
  .brand-text{font-size:15.5px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{padding-left:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .foot-nav .btn{width:100%;}
  .rec-thumb{flex:0 0 72px;}
}

/* roulang page: category1 */
:root{
  --bg:#0A0C0B;
  --bg-alt:#0F1412;
  --surface:#151C1A;
  --surface-2:#1B2421;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#35F2B6;
  --primary-dark:#1FB98A;
  --accent:#7C5CFF;
  --gold:#F7C948;
  --danger:#FF6B6B;
  --text:#F4FFF9;
  --text-2:#A7B7B1;
  --text-3:#6E7F79;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --radius-pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.32);
  --shadow-float:0 24px 80px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,242,182,.18),0 0 28px rgba(53,242,182,.18);
  --container:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--primary)}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.25;letter-spacing:.01em;color:var(--text)}
p{margin:0}
figure{margin:0}
::selection{background:rgba(53,242,182,.28);color:#04150F}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--primary);margin-bottom:16px}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.section-title{font-size:clamp(1.7rem,3vw,2.45rem);font-weight:800;line-height:1.25}
.section-desc{color:var(--text-2);font-size:16px;line-height:1.85;margin-top:16px;max-width:660px}
.text-2{color:var(--text-2)}
.text-3{color:var(--text-3)}
.num{font-variant-numeric:tabular-nums}

/* ===== 按钮系统 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 28px;border-radius:11px;font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .28s var(--ease),box-shadow .28s var(--ease),background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),filter .28s var(--ease);white-space:nowrap;position:relative;overflow:hidden}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#04150F;box-shadow:0 8px 24px rgba(53,242,182,.18)}
.btn-primary:hover{color:#04150F;filter:brightness(1.08);box-shadow:0 12px 34px rgba(53,242,182,.34);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(53,242,182,.4);color:var(--primary);background:transparent}
.btn-ghost:hover{background:rgba(53,242,182,.1);border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-quiet{display:inline-flex;align-items:center;gap:7px;color:var(--text-2);font-weight:600;font-size:14.5px;position:relative;padding-bottom:2px}
.btn-quiet::after{content:"";position:absolute;left:0;bottom:-1px;width:0;height:1px;background:var(--primary);transition:width .32s var(--ease)}
.btn-quiet:hover{color:var(--primary)}
.btn-quiet:hover::after{width:100%}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,11,.84);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header::before{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(53,242,182,.45),transparent);pointer-events:none}
.header-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 0 18px rgba(53,242,182,.45);position:relative;flex-shrink:0}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:#0A0C0B}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap}
.brand:hover .brand-text{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;padding:9px 13px;font-size:15px;font-weight:500;color:var(--text-2);border-radius:8px}
.nav-link::after{content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary);text-shadow:0 0 14px rgba(53,242,182,.5)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-cta{flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0 11px;border:1px solid var(--line);border-radius:10px;flex-shrink:0}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:13.5px;color:var(--text-3);margin-bottom:28px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--primary);font-weight:600}

/* ===== 页面 Hero ===== */
.page-hero{
  position:relative;
  padding:70px 0 84px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(10,12,11,.84) 0%,rgba(10,12,11,.93) 58%,rgba(10,12,11,.99) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at 62% 0%,#000 0%,transparent 70%);
  mask-image:radial-gradient(ellipse at 62% 0%,#000 0%,transparent 70%);
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{margin-bottom:0}
.hero-title{font-size:clamp(2.05rem,4.4vw,3.35rem);font-weight:900;line-height:1.16;letter-spacing:.01em;margin-bottom:20px}
.hero-title em{font-style:normal;color:var(--primary);text-shadow:0 0 26px rgba(53,242,182,.35)}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px}
.hero-facts li{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:var(--radius-pill);background:rgba(255,255,255,.04);border:1px solid var(--line);font-size:13.5px;color:var(--text-2)}
.hero-facts i{color:var(--primary);font-size:12px}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-float)}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,11,.05),rgba(10,12,11,.62))}
.hero-badge{position:absolute;top:16px;left:16px;z-index:3;display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--radius-pill);background:rgba(10,12,11,.72);border:1px solid rgba(53,242,182,.35);font-size:12.5px;font-weight:600;color:var(--primary);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.hero-chip{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;display:flex;align-items:center;gap:10px;padding:13px 16px;border-radius:14px;background:rgba(21,28,26,.86);border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:13.5px;color:var(--text-2)}
.hero-chip i{color:var(--accent);font-size:14px}

/* ===== 编号入口卡 ===== */
.entry-grid{margin-bottom:-24px}
.entry-card{display:flex;flex-direction:column;height:100%;padding:28px 26px 24px;background:var(--surface);border:1px solid var(--line);border-radius:18px;position:relative;overflow:hidden;transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease)}
.entry-card::before{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:linear-gradient(180deg,var(--primary),rgba(53,242,182,0));transition:height .42s var(--ease)}
.entry-card:hover{transform:translateY(-5px);border-color:rgba(53,242,182,.45);box-shadow:var(--shadow-card),var(--glow);color:inherit}
.entry-card:hover::before{height:100%}
.entry-no{font-size:12.5px;font-weight:800;letter-spacing:.2em;color:var(--primary);font-variant-numeric:tabular-nums}
.entry-card h3{margin:15px 0 10px;font-size:19px;font-weight:700}
.entry-card p{color:var(--text-2);font-size:14.5px;line-height:1.82;flex:1}
.entry-link{margin-top:22px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--primary)}
.entry-link i{font-size:12px;transition:transform .3s var(--ease)}
.entry-card:hover .entry-link i{transform:translateX(5px)}

/* ===== 步骤条 ===== */
.step-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;position:relative;padding-top:8px}
.step-rail::before{content:"";position:absolute;top:32px;left:40px;right:40px;height:1px;background:linear-gradient(90deg,rgba(53,242,182,.55),rgba(53,242,182,.14))}
.step-item{position:relative;z-index:1}
.step-node{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--surface-2);border:1px solid rgba(53,242,182,.35);color:var(--primary);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;box-shadow:0 0 24px rgba(53,242,182,.14)}
.step-item h3{margin:20px 0 9px;font-size:17px}
.step-item p{color:var(--text-2);font-size:14.5px;line-height:1.82}
.step-item:nth-child(3) .step-node,.step-item:nth-child(4) .step-node{border-color:rgba(124,92,255,.4);color:var(--accent);box-shadow:0 0 24px rgba(124,92,255,.16)}

/* ===== 访问前检查 ===== */
.check-list{margin-top:34px}
.check-list li{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.check-list li:first-child{padding-top:0}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-icon{width:42px;height:42px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;background:rgba(53,242,182,.09);border:1px solid rgba(53,242,182,.28);color:var(--primary);font-size:15px}
.check-list h3{font-size:16px;margin-bottom:6px;font-weight:700}
.check-list p{color:var(--text-2);font-size:14.5px;line-height:1.82}
.check-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.check-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:44px 20px 18px;font-size:13.5px;color:var(--text-2);line-height:1.7;background:linear-gradient(180deg,rgba(10,12,11,0),rgba(10,12,11,.93))}

/* ===== CTA 横幅 ===== */
.cta-banner{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:44px 46px;border-radius:24px;
  background:linear-gradient(120deg,rgba(53,242,182,.09),rgba(124,92,255,.10) 62%,rgba(21,28,26,.4));
  border:1px solid rgba(53,242,182,.22);
  box-shadow:var(--shadow-card);
}
.cta-banner::before{content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(53,242,182,.22),transparent 68%);pointer-events:none}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:800;margin-bottom:12px}
.cta-copy p{color:var(--text-2);font-size:15.5px;line-height:1.85}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

/* ===== FAQ ===== */
.faq-list{margin-top:6px}
.faq-item{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;transition:border-color .3s var(--ease),background-color .3s var(--ease)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);transform:scaleY(0);transform-origin:top;transition:transform .35s var(--ease)}
.faq-item.is-open{border-color:rgba(53,242,182,.35);background:var(--surface-2)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;padding:20px 22px;text-align:left;font-size:16.5px;font-weight:700;color:var(--text);line-height:1.6}
.faq-q:hover{color:var(--primary)}
.faq-q i{color:var(--primary);font-size:14px;flex-shrink:0;transition:transform .32s var(--ease)}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a p{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.88}

/* ===== 页脚 ===== */
.site-footer{position:relative;background:#070908;padding:74px 0 28px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(53,242,182,.65),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-text{color:var(--text-3);font-size:14.5px;line-height:1.9;max-width:350px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text)}
.footer-col ul li{margin-bottom:11px}
.footer-col a{color:var(--text-2);font-size:14.5px}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{margin-top:50px;padding-top:22px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--text-3);font-size:13.5px}
.back-top{color:var(--text-2);font-weight:600}
.back-top:hover{color:var(--primary)}

/* ===== 动效 ===== */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .52s var(--ease),transform .52s var(--ease)}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .container{padding:0 22px}
  .section{padding:72px 0}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .main-nav{
    position:fixed;top:74px;right:0;bottom:0;width:min(340px,88vw);
    margin-left:0;padding:22px 18px 44px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#0D1210;border-left:1px solid var(--line);
    transform:translateX(102%);transition:transform .4s var(--ease);
    overflow-y:auto;z-index:90;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:15px 16px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.is-active{background:rgba(53,242,182,.08);border-radius:10px}
  .step-rail{grid-template-columns:repeat(2,1fr);gap:30px 24px}
  .step-rail::before{display:none}
  .step-node{box-shadow:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .hero-visual{margin-top:38px}
  .cta-banner{padding:36px 30px}
}
@media screen and (max-width:768px){
  .container{padding:0 18px}
  .section{padding:60px 0}
  .section-sm{padding:48px 0}
  .header-inner{height:66px}
  .main-nav{top:66px}
  .brand-text{font-size:15.5px}
  .page-hero{padding:44px 0 62px}
  .hero-sub{font-size:16px;margin-bottom:24px}
  .hero-actions{gap:11px}
  .btn{padding:13px 22px;font-size:14.5px}
  .section-head{margin-bottom:32px}
  .entry-card{padding:24px 20px 20px}
  .cta-banner{padding:30px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;justify-content:center}
  .faq-q{font-size:15.5px;padding:18px 18px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{margin-top:36px;flex-direction:column;align-items:flex-start;gap:10px}
}
@media screen and (max-width:560px){
  .hero-title{font-size:1.95rem}
  .step-rail{grid-template-columns:1fr;gap:26px}
  .hero-facts li{font-size:12.5px;padding:7px 12px}
  .entry-card h3{font-size:17.5px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0C0B;
  --bg-2:#0F1412;
  --surface:#151C1A;
  --surface-2:#1B2421;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#35F2B6;
  --primary-dark:#1FB98A;
  --accent:#7C5CFF;
  --gold:#F7C948;
  --danger:#FF6B6B;
  --text:#F4FFF9;
  --muted:#A7B7B1;
  --dim:#6E7F79;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-p:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.32);
  --shadow-float:0 24px 80px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,242,182,.18),0 0 28px rgba(53,242,182,.18);
  --container:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(53,242,182,.28);color:#fff;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}
.section{padding:96px 0;position:relative;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--primary);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--primary));}
h1{font-size:clamp(2.25rem,4.6vw,3.6rem);font-weight:900;line-height:1.15;letter-spacing:.01em;}
h2{font-size:clamp(1.6rem,2.6vw,2.25rem);font-weight:800;line-height:1.25;}
h3{font-size:1.28rem;font-weight:700;line-height:1.4;}
p{color:var(--muted);}
.lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:660px;}
.mono-num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;line-height:1;
  white-space:nowrap;transition:all .25s var(--ease);
}
.btn-primary{background:var(--primary);color:#062218;box-shadow:0 10px 30px rgba(53,242,182,.22);}
.btn-primary:hover{background:#4dffc6;color:#062218;transform:translateY(-2px);box-shadow:0 14px 40px rgba(53,242,182,.36);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{border-color:rgba(53,242,182,.5);color:var(--primary);background:transparent;}
.btn-outline:hover{background:rgba(53,242,182,.1);border-color:var(--primary);color:var(--primary);}
.btn-ghost{background:transparent;color:var(--text);padding:14px 6px;position:relative;}
.btn-ghost::after{content:"";position:absolute;left:6px;right:6px;bottom:8px;height:1px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease);}
.btn-ghost:hover::after{transform:scaleX(1);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px;}
.btn-lg{padding:18px 38px;font-size:16px;border-radius:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-p);
  font-size:12.5px;font-weight:600;line-height:1.4;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted);
}
.badge-primary{background:rgba(53,242,182,.12);border-color:rgba(53,242,182,.32);color:var(--primary);}
.badge-accent{background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.36);color:#B9A6FF;}
.badge-gold{background:rgba(247,201,72,.12);border-color:rgba(247,201,72,.34);color:var(--gold);}
.badge-dim{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--dim);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,11,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,182,.55),transparent);
  opacity:.7;
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  position:relative;box-shadow:0 0 20px rgba(53,242,182,.3);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:3px;
  background:#0A0C0B;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--text);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--muted);
  border-radius:10px;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;
  transition:transform .3s var(--ease);
  box-shadow:0 0 12px rgba(53,242,182,.65);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);text-shadow:0 0 16px rgba(53,242,182,.45);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:44px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);margin-left:12px;padding:10px 11px;
  flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--primary);transition:transform .3s var(--ease),opacity .3s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:var(--bg-2);border-left:1px solid var(--line);
  padding:96px 24px 32px;z-index:70;
  transform:translateX(102%);transition:transform .38s var(--ease);
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .nav-link{padding:14px 12px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0;}
.mobile-drawer .nav-link::after{display:none;}
.mobile-drawer .btn{margin-top:20px;}
.drawer-close{
  position:absolute;top:24px;right:24px;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);color:var(--primary);font-size:18px;line-height:1;
}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(4,6,5,.7);z-index:65;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:18px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--dim);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--dim);opacity:.7;}
.breadcrumb .current{color:var(--primary);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(10,12,11,.72) 0%,rgba(10,12,11,.94) 62%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 30% 40%,#000,transparent 72%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;padding:56px 0 76px;}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:56px;align-items:end;}
.cat-hero h1{margin:14px 0 20px;}
.cat-hero h1 em{font-style:normal;color:var(--primary);text-shadow:0 0 26px rgba(53,242,182,.35);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;}
.hero-fact{min-width:120px;}
.hero-fact .num{font-size:26px;font-weight:800;color:var(--primary);letter-spacing:.02em;}
.hero-fact .label{font-size:13px;color:var(--dim);margin-top:2px;}
.hero-visual{
  position:relative;border-radius:var(--r-l);border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-float);overflow:hidden;
}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.92;}
.hero-visual .visual-cap{
  padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid var(--line);background:rgba(21,28,26,.86);font-size:13.5px;color:var(--muted);
}
.hero-visual .visual-cap strong{color:var(--text);font-weight:700;}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  position:sticky;top:72px;z-index:40;
  background:rgba(15,20,18,.94);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.filter-inner{display:flex;align-items:center;gap:22px;padding:16px 0;}
.filter-label{font-size:13.5px;color:var(--dim);flex-shrink:0;letter-spacing:.08em;}
.filter-tags{display:flex;gap:10px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none;}
.filter-tags::-webkit-scrollbar{display:none;}
.tag-chip{
  display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--r-p);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:14px;color:var(--muted);white-space:nowrap;font-weight:500;
}
.tag-chip:hover{border-color:rgba(53,242,182,.4);color:var(--text);}
.tag-chip.is-active{
  background:rgba(53,242,182,.14);border-color:rgba(53,242,182,.5);color:var(--primary);
  box-shadow:0 0 22px rgba(53,242,182,.14);
}
.filter-count{margin-left:auto;font-size:13.5px;color:var(--dim);flex-shrink:0;}

/* ---------- 卡片矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.play-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.play-card:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.42);box-shadow:var(--shadow-float);}
.play-card-media{position:relative;display:block;overflow:hidden;background:var(--surface-2);}
.play-card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease);}
.play-card:hover .play-card-media img{transform:scale(1.05);}
.play-card-media .badge{position:absolute;left:14px;top:14px;backdrop-filter:blur(6px);background:rgba(10,12,11,.72);}
.play-card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,11,0) 45%,rgba(10,12,11,.72) 100%);
}
.play-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.play-card-body h3{font-size:18px;}
.play-card-body h3 a:hover{color:var(--primary);}
.play-card-body p{font-size:14.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.play-card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--dim);
}
.play-card-foot .arrow{color:var(--primary);font-weight:700;transition:transform .3s var(--ease);}
.play-card:hover .play-card-foot .arrow{transform:translateX(4px);}

/* 侧边说明卡 */
.side-stack{position:sticky;top:150px;display:flex;flex-direction:column;gap:24px;}
.side-card{
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);border-radius:var(--r-l);padding:26px;
  box-shadow:var(--shadow-card);
}
.side-card h3{font-size:17px;margin-bottom:6px;}
.side-card .side-sub{font-size:13px;color:var(--dim);margin-bottom:18px;letter-spacing:.06em;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;gap:12px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.side-list .idx{
  flex-shrink:0;width:24px;height:24px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;color:var(--primary);
  background:rgba(53,242,182,.12);border:1px solid rgba(53,242,182,.28);
}
.side-card .btn{width:100%;margin-top:22px;}
.side-note{
  margin-top:16px;font-size:13px;color:var(--dim);line-height:1.7;
  padding-left:12px;border-left:2px solid rgba(53,242,182,.4);
}
.side-links{display:flex;flex-direction:column;gap:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:var(--r-m);border:1px solid var(--line);
  background:rgba(255,255,255,.02);font-size:14.5px;color:var(--muted);
}
.side-links a:hover{border-color:rgba(53,242,182,.4);color:var(--primary);background:rgba(53,242,182,.06);}

/* 加载位 */
.load-more{margin-top:44px;text-align:center;border-top:1px dashed var(--line);padding-top:36px;}
.load-more .hint{font-size:13.5px;color:var(--dim);margin-top:14px;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  border:1px solid rgba(53,242,182,.24);
  background:
    linear-gradient(120deg,rgba(53,242,182,.12) 0%,rgba(124,92,255,.12) 55%,rgba(10,12,11,0) 100%),
    var(--surface-2);
  padding:52px 48px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:center;
  box-shadow:var(--shadow-float);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,242,182,.22),transparent 68%);
  pointer-events:none;
}
.cta-band h2{margin-bottom:14px;}
.cta-band p{max-width:560px;}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-cell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px;transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.stat-cell:hover{border-color:rgba(53,242,182,.36);transform:translateY(-3px);}
.stat-cell .num{font-size:28px;font-weight:800;color:var(--primary);letter-spacing:.02em;}
.stat-cell .label{font-size:13.5px;color:var(--muted);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item.is-open{border-color:rgba(53,242,182,.42);box-shadow:var(--glow);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 22px;background:transparent;border:0;color:var(--text);
  font-size:16.5px;font-weight:600;line-height:1.5;position:relative;
}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--primary);opacity:.85;box-shadow:0 0 14px rgba(53,242,182,.5);}
.faq-q .sign{margin-left:auto;color:var(--primary);font-size:20px;font-weight:700;flex-shrink:0;transition:transform .3s var(--ease);}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease);}
.faq-a-inner{padding:0 22px 22px 26px;font-size:15.5px;line-height:1.85;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#070908;border-top:1px solid var(--line);
  position:relative;padding-top:8px;margin-top:8px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,182,.6),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:44px;padding:72px 0 48px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-text{font-size:14.5px;line-height:1.85;color:var(--dim);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text);letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14.5px;color:var(--muted);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 32px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--dim);
}
.back-top{color:var(--muted);}
.back-top:hover{color:var(--primary);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 22px;}
  .main-nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;}
  .matrix-grid{grid-template-columns:1fr;gap:36px;}
  .side-stack{position:static;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .cta-band-actions{justify-content:flex-start;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;padding:56px 0 36px;}
  .filter-bar{top:70px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:68px 0;}
  .container{padding:0 18px;}
  .cat-hero-inner{padding:40px 0 56px;}
  .hero-facts{gap:20px;}
  .hero-fact .num{font-size:22px;}
  .filter-inner{flex-wrap:wrap;gap:12px;}
  .filter-count{margin-left:0;width:100%;}
  .play-card-body{padding:18px;}
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .btn-lg{width:100%;}
  .cta-band-actions{flex-direction:column;align-items:stretch;}
  .cta-band-actions .btn{width:100%;}
}
@media (max-width:519px){
  h1{font-size:1.95rem;}
  .brand-text{font-size:15.5px;}
  .header-inner{min-height:64px;gap:12px;}
  .breadcrumb{font-size:12.5px;}
  .hero-visual .visual-cap{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* Foundation 栅格间距覆盖 */
.grid-margin-x{margin-left:-13px!important;margin-right:-13px!important;}
.grid-margin-x>.cell{padding-left:13px!important;padding-right:13px!important;}
.grid-margin-y{margin-top:-26px!important;}
.grid-margin-y>.cell{padding-top:26px!important;}
@media (max-width:767px){
  .grid-margin-x{margin-left:-9px!important;margin-right:-9px!important;}
  .grid-margin-x>.cell{padding-left:9px!important;padding-right:9px!important;}
  .grid-margin-y{margin-top:-18px!important;}
  .grid-margin-y>.cell{padding-top:18px!important;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --bg:#0A0C0B;
  --bg-2:#0F1412;
  --surface:#151C1A;
  --surface-2:#1B2421;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --main:#35F2B6;
  --main-dark:#1FB98A;
  --accent:#7C5CFF;
  --amber:#F7C948;
  --coral:#FF6B6B;
  --text:#F4FFF9;
  --text-2:#A7B7B1;
  --text-3:#6E7F79;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(0,0,0,.32);
  --sh-float:0 24px 80px rgba(0,0,0,.45);
  --sh-neon:0 0 0 1px rgba(53,242,182,.18), 0 0 28px rgba(53,242,182,.18);
  --container:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --sec-pad:112px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),opacity .25s var(--ease);}
a:hover{color:var(--main);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
::selection{background:rgba(53,242,182,.28);color:#fff;}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:4px;}

/* ============ 容器与通用 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}
.section{padding:var(--sec-pad) 0;position:relative;}
.section--tight{padding:80px 0;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--main);
  text-transform:uppercase;
  padding:6px 14px;
  border:1px solid rgba(53,242,182,.28);
  border-radius:var(--r-pill);
  background:rgba(53,242,182,.06);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--main);box-shadow:0 0 10px var(--main);}
h1{font-size:clamp(2.1rem,4.4vw,3.6rem);font-weight:900;line-height:1.16;letter-spacing:.01em;}
h2{font-size:clamp(1.6rem,3vw,2.35rem);font-weight:800;line-height:1.25;}
h3{font-size:1.3rem;font-weight:700;line-height:1.4;}
.lead{font-size:1.05rem;color:var(--text-2);line-height:1.9;}
.muted{color:var(--text-2);}
.tiny{font-size:13.5px;color:var(--text-3);line-height:1.65;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.divider{height:1px;background:linear-gradient(90deg,rgba(53,242,182,.5),rgba(255,255,255,.05) 45%,transparent);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;
  border-radius:11px;
  font-size:15px;font-weight:700;
  line-height:1.2;
  border:1px solid transparent;
  transition:all .28s var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}
.btn-lg{padding:17px 38px;font-size:17px;border-radius:12px;}
.btn-block{width:100%;}
.btn-primary{
  background:var(--main);
  color:#05201A;
  box-shadow:0 8px 24px rgba(53,242,182,.22);
}
.btn-primary:hover{
  color:#05201A;
  background:#4BFFC6;
  box-shadow:0 12px 34px rgba(53,242,182,.4);
  transform:translateY(-2px);
}
.btn-ghost{
  border-color:rgba(53,242,182,.45);
  color:var(--text);
  background:rgba(53,242,182,.04);
}
.btn-ghost:hover{
  color:#05201A;
  background:var(--main);
  border-color:var(--main);
  box-shadow:0 10px 30px rgba(53,242,182,.28);
  transform:translateY(-2px);
}
.btn-plain{
  padding:6px 0;
  border-radius:0;
  color:var(--text-2);
  font-weight:600;
  position:relative;
}
.btn-plain::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--main);transition:width .32s var(--ease);
}
.btn-plain:hover{color:var(--main);}
.btn-plain:hover::after{width:100%;}
.btn:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;
  letter-spacing:.04em;
  border:1px solid transparent;
  line-height:1.5;
}
.badge-common{background:rgba(167,183,177,.12);color:var(--text-2);border-color:rgba(167,183,177,.22);}
.badge-rare{background:rgba(53,242,182,.12);color:var(--main);border-color:rgba(53,242,182,.32);}
.badge-epic{background:rgba(124,92,255,.16);color:#B5A2FF;border-color:rgba(124,92,255,.38);}
.badge-legend{background:rgba(247,201,72,.14);color:var(--amber);border-color:rgba(247,201,72,.36);}
.badge-lock{background:rgba(110,127,121,.14);color:var(--text-3);border-color:rgba(110,127,121,.24);}
.badge-live{background:rgba(53,242,182,.1);color:var(--main);border-color:rgba(53,242,182,.3);}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--main);box-shadow:0 0 8px var(--main);animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,11,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,182,.5) 22%,rgba(124,92,255,.36) 62%,transparent);
  pointer-events:none;
}
.header-inner{
  display:flex;align-items:center;gap:26px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--main) 0%,#1FB98A 48%,var(--accent) 100%);
  position:relative;flex-shrink:0;
  box-shadow:0 0 18px rgba(53,242,182,.3);
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;
  border-radius:4px;
  background:rgba(10,12,11,.9);
}
.brand-mark::before{
  content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;
  transform:translate(-50%,-50%);border-radius:50%;
  background:var(--main);box-shadow:0 0 10px var(--main);z-index:2;
}
.brand-text{font-size:16.5px;font-weight:800;letter-spacing:.02em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;font-weight:600;
  color:var(--text-2);
  border-radius:9px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--main);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .3s var(--ease);
  box-shadow:0 0 10px rgba(53,242,182,.7);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--main);text-shadow:0 0 16px rgba(53,242,182,.45);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-cta{margin-left:8px;flex-shrink:0;}
.nav-cta{display:none;}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line-strong);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 面包屑 ============ */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--bg-2);}
.crumb{
  display:flex;align-items:center;gap:10px;
  padding:14px 0;
  font-size:13.5px;color:var(--text-3);
  flex-wrap:wrap;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--main);}
.crumb .sep{color:var(--text-3);opacity:.6;}
.crumb .current{color:var(--main);font-weight:600;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:84px 0 96px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(1100px 520px at 78% -6%,rgba(124,92,255,.16),transparent 62%),
    radial-gradient(900px 460px at 12% 104%,rgba(53,242,182,.12),transparent 60%),
    var(--bg);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.2;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
  transform:scale(1.06);
  animation:heroDrift 26s ease-in-out infinite alternate;
}
@keyframes heroDrift{from{transform:scale(1.06) translate3d(0,0,0);}to{transform:scale(1.12) translate3d(-1.4%,-1.2%,0);}}
.hero-grid-lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:78px 78px;
  mask-image:radial-gradient(circle at 50% 34%,#000 8%,transparent 74%);
  -webkit-mask-image:radial-gradient(circle at 50% 34%,#000 8%,transparent 74%);
}
.hero-scan{
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,182,.55),transparent);
  animation:scanMove 7s linear infinite;
  opacity:.5;
}
@keyframes scanMove{0%{transform:translateY(0);opacity:0;}12%{opacity:.55;}88%{opacity:.55;}100%{transform:translateY(560px);opacity:0;}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:60px;align-items:center;}
.hero-copy{max-width:640px;}
.hero-copy h1{margin-bottom:22px;}
.hero-sub{font-size:1.08rem;color:var(--text-2);line-height:1.95;max-width:560px;margin-bottom:34px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:40px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.03);
  font-size:13.5px;color:var(--text-2);
  transition:all .28s var(--ease);
}
.tag-chip i{color:var(--main);font-size:12px;}
.tag-chip:hover{border-color:rgba(53,242,182,.4);color:var(--text);background:rgba(53,242,182,.06);transform:translateY(-2px);}
.tag-chip.is-on{background:var(--main);color:#05201A;border-color:var(--main);font-weight:700;}
.tag-chip.is-on i{color:#05201A;}

/* Hero 右侧奖励面板 */
.hero-panel{
  position:relative;
  background:linear-gradient(160deg,rgba(27,36,33,.96),rgba(15,20,18,.92));
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-float);
  overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.34),transparent 68%);
}
.hero-panel::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(247,201,72,.6),transparent);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;position:relative;z-index:1;}
.panel-title{font-size:15px;font-weight:700;color:var(--text-2);letter-spacing:.06em;}
.panel-media{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:16/9;margin-bottom:22px;background:var(--surface);
}
.panel-media img{width:100%;height:100%;object-fit:cover;}
.panel-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,11,0) 34%,rgba(10,12,11,.88));
}
.panel-media-cap{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-size:13.5px;color:var(--text);font-weight:600;
}
.panel-media-cap span{display:block;font-size:12.5px;color:var(--text-2);font-weight:400;}
.panel-list{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 15px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.02);
  transition:all .28s var(--ease);
}
.panel-row:hover{border-color:rgba(53,242,182,.34);background:rgba(53,242,182,.05);transform:translateX(3px);}
.panel-row-left{display:flex;align-items:center;gap:12px;min-width:0;}
.panel-dot{
  width:9px;height:9px;border-radius:50%;flex-shrink:0;
  background:var(--main);box-shadow:0 0 12px rgba(53,242,182,.8);
}
.panel-dot.is-dim{background:var(--text-3);box-shadow:none;}
.panel-dot.is-epic{background:var(--accent);box-shadow:0 0 12px rgba(124,92,255,.8);}
.panel-dot.is-amber{background:var(--amber);box-shadow:0 0 12px rgba(247,201,72,.75);}
.panel-row-name{font-size:14.5px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.panel-row-note{font-size:12.5px;color:var(--text-3);}

/* ============ 奖励类型分类 ============ */
.type-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.type-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  overflow:hidden;
  transition:transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease);
}
.type-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--main),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .38s var(--ease);
}
.type-card:hover{transform:translateY(-5px);border-color:rgba(53,242,182,.36);box-shadow:var(--sh-card),var(--sh-neon);}
.type-card:hover::after{transform:scaleX(1);}
.type-ico{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;color:var(--main);
  background:rgba(53,242,182,.09);
  border:1px solid rgba(53,242,182,.22);
  margin-bottom:20px;
}
.type-ico.is-epic{color:#B5A2FF;background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.3);}
.type-ico.is-amber{color:var(--amber);background:rgba(247,201,72,.1);border-color:rgba(247,201,72,.28);}
.type-card h3{font-size:1.16rem;margin-bottom:10px;}
.type-card p{font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ============ 时间线 ============ */
.timeline-wrap{position:relative;}
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--main) 0%,rgba(124,92,255,.6) 48%,rgba(53,242,182,.08) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-left:76px;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-node{
  position:absolute;left:16px;top:30px;
  width:24px;height:24px;border-radius:50%;
  background:var(--bg);
  border:2px solid var(--main);
  box-shadow:0 0 0 5px rgba(53,242,182,.09),0 0 18px rgba(53,242,182,.5);
  display:flex;align-items:center;justify-content:center;
}
.tl-node::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--main);}
.tl-item.is-locked .tl-node{border-color:var(--text-3);box-shadow:0 0 0 5px rgba(110,127,121,.08);}
.tl-item.is-locked .tl-node::after{background:var(--text-3);}
.tl-card{
  background:linear-gradient(150deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 30px;
  transition:transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease);
  position:relative;
  overflow:hidden;
}
.tl-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--main),rgba(53,242,182,.05));
  opacity:.85;
}
.tl-item.is-locked .tl-card{opacity:.72;}
.tl-item.is-locked .tl-card::before{background:linear-gradient(180deg,var(--text-3),transparent);}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.34);box-shadow:var(--sh-card);}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px;}
.tl-stage{
  font-size:13px;font-weight:800;letter-spacing:.12em;
  color:var(--main);font-variant-numeric:tabular-nums;
}
.tl-item.is-locked .tl-stage{color:var(--text-3);}
.tl-card h3{font-size:1.28rem;margin-bottom:10px;}
.tl-card > p{font-size:15px;color:var(--text-2);line-height:1.9;margin-bottom:18px;}
.reward-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px;}
.reward-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:var(--text-2);line-height:1.7;
}
.reward-list li i{color:var(--main);font-size:12px;margin-top:7px;flex-shrink:0;}
.tl-item.is-locked .reward-list li i{color:var(--text-3);}
.reward-val{color:var(--amber);font-weight:700;font-variant-numeric:tabular-nums;}

/* ============ 稀有度图例 ============ */
.legend{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  padding:28px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
}
.legend-item{display:flex;align-items:flex-start;gap:14px;}
.legend-bar{width:4px;border-radius:4px;align-self:stretch;min-height:52px;}
.legend-bar.is-common{background:var(--text-3);}
.legend-bar.is-rare{background:var(--main);box-shadow:0 0 14px rgba(53,242,182,.5);}
.legend-bar.is-epic{background:var(--accent);box-shadow:0 0 14px rgba(124,92,255,.5);}
.legend-bar.is-legend{background:var(--amber);box-shadow:0 0 14px rgba(247,201,72,.45);}
.legend-item h4{font-size:15px;font-weight:700;margin-bottom:6px;}
.legend-item p{font-size:13.5px;color:var(--text-3);line-height:1.7;}

/* ============ 领取流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;position:relative;}
.step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 26px;
  transition:transform .34s var(--ease),border-color .34s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.32);}
.step-num{
  font-size:2.4rem;font-weight:900;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(53,242,182,.55);
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:1.14rem;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.85;}
.step-tag{margin-top:16px;}

/* ============ 进度条区块 ============ */
.progress-band{
  background:linear-gradient(135deg,rgba(27,36,33,.9),rgba(15,20,18,.95));
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:38px;
  position:relative;
  overflow:hidden;
}
.progress-band::before{
  content:"";position:absolute;right:-80px;bottom:-80px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,242,182,.16),transparent 68%);
}
.progress-top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;position:relative;z-index:1;}
.progress-top h3{font-size:1.35rem;margin-bottom:8px;}
.progress-top p{font-size:14.5px;color:var(--text-2);}
.progress-figure{font-size:2.6rem;font-weight:900;line-height:1;color:var(--main);font-variant-numeric:tabular-nums;}
.progress-figure small{font-size:1rem;font-weight:600;color:var(--text-3);margin-left:4px;}
.bar{height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);overflow:hidden;position:relative;z-index:1;}
.bar-fill{
  height:100%;width:62%;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--main-dark),var(--main));
  box-shadow:0 0 18px rgba(53,242,182,.55);
  transform-origin:left center;
  animation:barGrow 1.4s var(--ease) both;
}
@keyframes barGrow{from{transform:scaleX(0);}to{transform:scaleX(1);}}
.track-nodes{display:flex;justify-content:space-between;margin-top:18px;position:relative;z-index:1;}
.track-node{display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;}
.track-dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.14);border:1px solid var(--line-strong);}
.track-dot.is-done{background:var(--main);border-color:var(--main);box-shadow:0 0 14px rgba(53,242,182,.7);}
.track-dot.is-now{background:var(--accent);border-color:var(--accent);box-shadow:0 0 14px rgba(124,92,255,.7);}
.track-label{font-size:12.5px;color:var(--text-3);text-align:center;}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.faq-item:hover{border-color:rgba(53,242,182,.28);}
.faq-item.is-open{border-color:rgba(53,242,182,.42);background:var(--surface-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:16.5px;font-weight:700;color:var(--text);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--main);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity .3s var(--ease);
  box-shadow:0 0 12px rgba(53,242,182,.6);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-ico{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--main);font-size:12px;
  transition:transform .34s var(--ease),background .34s var(--ease);
}
.faq-item.is-open .faq-ico{background:rgba(53,242,182,.14);border-color:rgba(53,242,182,.4);transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .42s var(--ease),opacity .34s var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a-inner{padding:0 24px 22px 24px;font-size:15.5px;color:var(--text-2);line-height:1.9;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid rgba(53,242,182,.24);
  background:
    radial-gradient(760px 320px at 16% 0%,rgba(53,242,182,.16),transparent 62%),
    radial-gradient(620px 300px at 88% 100%,rgba(124,92,255,.18),transparent 64%),
    var(--bg-2);
  padding:60px 48px;
  overflow:hidden;
  text-align:center;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,182,.7),transparent);
}
.cta-band h2{margin-bottom:16px;}
.cta-band p{max-width:640px;margin:0 auto 32px;color:var(--text-2);font-size:1rem;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ============ 页脚 ============ */
.site-footer{
  background:#070908;
  border-top:1px solid var(--line);
  position:relative;
  padding:72px 0 0;
  margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,182,.55) 30%,rgba(124,92,255,.4) 70%,transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-text{font-size:14.5px;color:var(--text-3);line-height:1.9;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:20px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14.5px;color:var(--text-3);}
.footer-col a:hover{color:var(--main);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}
.back-top{color:var(--text-2);font-weight:600;}
.back-top:hover{color:var(--main);}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  :root{--sec-pad:96px;}
  .type-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .legend{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .container{padding:0 22px;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;
    width:min(330px,86vw);
    background:#0C1210;
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:96px 24px 34px;
    transform:translateX(102%);
    transition:transform .38s var(--ease);
    z-index:90;
    margin-left:0;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:14px 16px;font-size:17px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:rgba(53,242,182,.09);box-shadow:inset 3px 0 0 var(--main);}
  .nav-cta{display:inline-flex;margin-top:20px;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:64px 0 76px;}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:44px;}
  .hero-copy{max-width:100%;}
  .steps{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  :root{--sec-pad:72px;}
  .container{padding:0 18px;}
  .header-inner{height:64px;gap:14px;}
  .brand-text{font-size:15px;max-width:150px;overflow:hidden;text-overflow:ellipsis;}
  .section--tight{padding:58px 0;}
  .section-head{margin-bottom:36px;}
  .hero{padding:52px 0 62px;}
  .hero-sub{font-size:1rem;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .type-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .legend{grid-template-columns:minmax(0,1fr);padding:22px;gap:22px;}
  .timeline::before{left:15px;}
  .tl-item{padding-left:48px;margin-bottom:18px;}
  .tl-node{left:4px;top:24px;width:22px;height:22px;}
  .tl-card{padding:22px 20px;}
  .reward-list{grid-template-columns:minmax(0,1fr);}
  .progress-band{padding:26px 20px;}
  .progress-figure{font-size:2.1rem;}
  .cta-band{padding:44px 22px;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:17px 18px;font-size:15.5px;}
  .faq-a-inner{padding:0 18px 20px 18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:34px;padding-bottom:40px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  h1{font-size:1.86rem;}
  .brand-text{max-width:120px;font-size:14.5px;}
  .hero-panel{padding:20px;}
  .panel-row{padding:11px 12px;}
  .panel-row-name{font-size:13.5px;}
  .step-num{font-size:2rem;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  .hero-bg{animation:none;}
  .hero-scan{display:none;}
}

/* roulang page: category4 */
:root{
  --bg:#0A0C0B;
  --bg-2:#0F1412;
  --surface:#151C1A;
  --surface-2:#1B2421;
  --line:rgba(255,255,255,.08);
  --primary:#35F2B6;
  --primary-dark:#1FB98A;
  --accent:#7C5CFF;
  --gold:#F7C948;
  --danger:#FF6B6B;
  --text:#F4FFF9;
  --text-2:#A7B7B1;
  --text-3:#6E7F79;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --shadow:0 12px 32px rgba(0,0,0,.32);
  --shadow-lg:0 24px 80px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,242,182,.18),0 0 28px rgba(53,242,182,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease);}
a:hover{color:var(--primary);}
button{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(53,242,182,.28);color:#04120d;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 28px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:.95rem;font-weight:700;line-height:1;
  padding:14px 26px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;position:relative;overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),color .25s var(--ease),border-color .3s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#04150F;box-shadow:0 8px 24px rgba(53,242,182,.18);}
.btn-primary:hover{background:#4dffc6;color:#04150F;box-shadow:0 10px 34px rgba(53,242,182,.36);}
.btn-outline{border-color:rgba(53,242,182,.45);color:var(--primary);background:transparent;}
.btn-outline:hover{background:rgba(53,242,182,.12);color:var(--primary);border-color:var(--primary);}
.btn-ghost{background:transparent;color:var(--text-2);padding:10px 2px;border-radius:0;}
.btn-ghost::after{content:"";position:absolute;left:2px;bottom:4px;height:1px;width:0;background:var(--primary);transition:width .35s var(--ease);}
.btn-ghost:hover{color:var(--primary);}
.btn-ghost:hover::after{width:calc(100% - 4px);}
.btn-sm{padding:10px 18px;font-size:.88rem;border-radius:10px;}
.btn-lg{padding:18px 40px;font-size:1.05rem;border-radius:14px;}
.btn-block{width:100%;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,11,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,182,.55),transparent);
  opacity:.7;
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;flex:0 0 auto;}
.brand-mark{
  width:12px;height:12px;border-radius:4px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 14px rgba(53,242,182,.65);
  flex:0 0 auto;
}
.brand-text{font-size:1.04rem;letter-spacing:.02em;}
.brand:hover .brand-text{color:var(--primary);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 14px;font-size:.94rem;font-weight:500;color:var(--text-2);border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .32s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);text-shadow:0 0 14px rgba(53,242,182,.5);}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(53,242,182,.8);}
.header-cta{display:flex;align-items:center;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:12px;
  background:transparent;border:1px solid var(--line);border-radius:10px;
  cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.85rem;color:var(--text-3);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--text-2);}

/* ============ 页头 Hero ============ */
.page-hero{position:relative;overflow:hidden;padding:76px 0 92px;background:var(--bg);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.3;transform:scale(1.04);
  animation:heroDrift 26s ease-in-out infinite alternate;
}
@keyframes heroDrift{from{transform:scale(1.04) translateY(0);}to{transform:scale(1.1) translateY(-14px);}}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(53,242,182,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(53,242,182,.06) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,11,.78) 0%,rgba(10,12,11,.92) 55%,var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.82rem;font-weight:600;letter-spacing:.08em;color:var(--primary);
  padding:7px 16px;border-radius:999px;
  background:rgba(53,242,182,.08);border:1px solid rgba(53,242,182,.28);
  margin:20px 0 0;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);}
.hero-title{
  font-size:clamp(2.25rem,4.6vw,3.5rem);
  font-weight:900;line-height:1.15;letter-spacing:.01em;
  margin:20px 0 18px;max-width:16em;
}
.hero-title em{font-style:normal;color:var(--primary);text-shadow:0 0 30px rgba(53,242,182,.4);}
.hero-lead{max-width:760px;color:var(--text-2);font-size:1.06rem;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}
.chip-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.chip{
  font-size:.83rem;color:var(--text-2);
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.chip strong{color:var(--text);font-weight:600;}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:820px;margin-bottom:44px;}
.section-tag{
  display:inline-block;font-size:.78rem;letter-spacing:.16em;font-weight:700;
  color:var(--primary-dark);text-transform:uppercase;margin-bottom:14px;
}
.section-title{font-size:clamp(1.75rem,3vw,2.4rem);font-weight:800;line-height:1.25;}
.section-title span{color:var(--text-2);font-weight:600;}
.section-desc{color:var(--text-2);margin-top:16px;font-size:1rem;line-height:1.85;}

/* ============ 指标卡 ============ */
.kpi-row{margin:0 -13px;}
.kpi-row > .cell{padding:0 13px 26px;}
.kpi-card{
  height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px 26px 26px;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.kpi-card::before{
  content:"";position:absolute;top:0;left:26px;width:38px;height:2px;background:var(--primary);opacity:.8;
}
.kpi-card:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.35);box-shadow:var(--shadow);}
.kpi-value{
  font-size:2rem;font-weight:800;line-height:1.1;letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  color:var(--text);
}
.kpi-value small{font-size:.95rem;font-weight:600;color:var(--text-3);margin-left:6px;}
.kpi-label{margin-top:12px;font-size:.95rem;font-weight:600;color:var(--primary);}
.kpi-text{margin-top:10px;font-size:.9rem;color:var(--text-2);line-height:1.7;}

/* ============ 阶段进度 ============ */
.stage-list{display:grid;gap:14px;}
.stage{
  display:grid;grid-template-columns:78px 1fr 132px;gap:22px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px 26px;
  transition:border-color .3s var(--ease),background .3s var(--ease),transform .3s var(--ease);
}
.stage:hover{border-color:rgba(53,242,182,.28);background:var(--surface-2);transform:translateX(3px);}
.stage-num{
  font-size:1.5rem;font-weight:800;color:var(--text-3);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.stage.is-done .stage-num{color:var(--primary);text-shadow:0 0 16px rgba(53,242,182,.45);}
.stage.is-doing .stage-num{color:var(--gold);}
.stage-body h3{font-size:1.05rem;font-weight:700;margin-bottom:6px;}
.stage-body p{font-size:.9rem;color:var(--text-2);margin:0 0 12px;}
.track{height:8px;border-radius:999px;background:#0b1210;border:1px solid var(--line);overflow:hidden;}
.fill{
  height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--primary-dark),var(--primary));
  box-shadow:0 0 16px rgba(53,242,182,.4);
  transition:width 1.1s var(--ease);
}
.stage.is-done .fill{background:linear-gradient(90deg,#1FB98A,#35F2B6);}
.stage.is-todo .track{opacity:.6;}
.stage-side{text-align:right;}
.stage-pct{font-size:1.15rem;font-weight:800;font-variant-numeric:tabular-nums;display:block;margin-bottom:8px;}

/* 状态徽章 */
.state{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.78rem;font-weight:700;letter-spacing:.02em;
  padding:5px 12px;border-radius:999px;border:1px solid transparent;
  white-space:nowrap;
}
.state::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}
.state-done{color:var(--accent);background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.35);}
.state-doing{color:var(--primary);background:rgba(53,242,182,.1);border-color:rgba(53,242,182,.35);}
.state-todo{color:var(--text-3);background:rgba(255,255,255,.03);border-color:var(--line);}

/* ============ 任务看板 ============ */
.board-head{
  display:grid;grid-template-columns:1.7fr 1.1fr 120px 108px;gap:20px;
  padding:0 26px 14px;font-size:.78rem;letter-spacing:.12em;color:var(--text-3);font-weight:700;
}
.board{display:grid;gap:12px;}
.task-row{
  display:grid;grid-template-columns:1.7fr 1.1fr 120px 108px;gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px 26px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.task-row:hover{transform:translateY(-3px);border-color:rgba(53,242,182,.3);box-shadow:var(--shadow);}
.task-name{font-size:1rem;font-weight:700;color:var(--text);}
.task-sub{display:block;font-size:.85rem;color:var(--text-3);font-weight:400;margin-top:5px;}
.task-cond{font-size:.9rem;color:var(--text-2);}
.task-reward{
  font-size:.88rem;font-weight:600;color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.task-reward.is-plain{color:var(--text-2);font-weight:500;}
.task-state{display:flex;justify-content:flex-start;}

/* ============ 里程碑 / 完成度视觉 ============ */
.milestone-row{margin:0 -13px;}
.milestone-row > .cell{padding:0 13px 26px;}
.mile-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.mile-card:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.32);box-shadow:var(--shadow);}
.mile-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.mile-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.mile-card:hover .mile-media img{transform:scale(1.05);}
.mile-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,11,.1),rgba(21,28,26,.9));}
.mile-badge{
  position:absolute;left:16px;top:16px;z-index:2;
  font-size:.76rem;font-weight:700;color:#0B0D0C;
  padding:5px 12px;border-radius:999px;background:var(--gold);
}
.mile-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.mile-body h3{font-size:1.12rem;font-weight:700;margin-bottom:10px;}
.mile-body p{font-size:.92rem;color:var(--text-2);line-height:1.75;flex:1;}
.mile-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:.84rem;color:var(--text-3);
}
.mile-meta strong{color:var(--primary);font-weight:700;}

/* ============ 完成度概览条 ============ */
.overview-panel{
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
  background:linear-gradient(135deg,rgba(27,36,33,.95),rgba(15,20,18,.95));
  border:1px solid var(--line);border-radius:var(--r-l);
  padding:40px 42px;
}
.overview-panel h3{font-size:1.45rem;margin-bottom:12px;}
.overview-panel p{color:var(--text-2);font-size:.96rem;}
.ring-wrap{display:flex;justify-content:center;}
.ring{
  width:186px;height:186px;border-radius:50%;
  background:conic-gradient(var(--primary) 0deg 216deg,rgba(255,255,255,.07) 216deg 360deg);
  display:flex;align-items:center;justify-content:center;
  position:relative;box-shadow:0 0 40px rgba(53,242,182,.16);
  transition:background .8s var(--ease);
}
.ring::after{
  content:"";position:absolute;inset:14px;border-radius:50%;
  background:var(--bg-2);border:1px solid var(--line);
}
.ring-inner{position:relative;z-index:2;text-align:center;}
.ring-inner b{
  display:block;font-size:2.4rem;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--primary);line-height:1;
}
.ring-inner span{display:block;font-size:.82rem;color:var(--text-3);margin-top:8px;letter-spacing:.06em;}

/* ============ FAQ ============ */
.faq{max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid rgba(53,242,182,.32);
  border-radius:var(--r-m);margin-bottom:12px;overflow:hidden;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.faq-item:hover{border-left-color:var(--primary);background:var(--surface-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;text-align:left;cursor:pointer;
  padding:20px 24px;font-size:1.02rem;font-weight:600;color:var(--text);
}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid rgba(53,242,182,.4);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:1rem;line-height:1;
  transition:transform .35s var(--ease),background .3s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(135deg);background:rgba(53,242,182,.14);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease);}
.faq-a-inner{padding:0 24px 22px;color:var(--text-2);font-size:.96rem;line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(31,185,138,.16),rgba(124,92,255,.14) 60%,rgba(21,28,26,.9));
  border:1px solid rgba(53,242,182,.22);border-radius:var(--r-l);
  padding:56px 52px;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px;}
.cta-band p{max-width:640px;margin:0 auto 30px;color:var(--text-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;}

/* ============ 页脚 ============ */
.site-footer{
  background:#070907;border-top:1px solid var(--line);margin-top:0;
  padding:72px 0 28px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,182,.6),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;margin-bottom:18px;}
.footer-text{color:var(--text-3);font-size:.9rem;line-height:1.8;max-width:340px;}
.footer-col h4{font-size:.95rem;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{color:var(--text-3);font-size:.9rem;}
.footer-col ul li a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:26px;font-size:.85rem;color:var(--text-3);
}
.back-top{color:var(--text-2);font-size:.85rem;}
.back-top:hover{color:var(--primary);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .52s var(--ease),transform .52s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media screen and (max-width:1100px){
  .header-inner{gap:18px;}
  .nav-link{padding:9px 10px;font-size:.9rem;}
  .overview-panel{grid-template-columns:1fr;gap:28px;padding:34px 30px;}
  .board-head{display:none;}
  .task-row{grid-template-columns:1.5fr 1fr 110px;}
  .task-state{grid-column:1 / -1;margin-top:2px;}
}
@media screen and (max-width:900px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:73px;right:0;width:min(340px,88vw);height:calc(100vh - 73px);
    flex-direction:column;align-items:stretch;gap:6px;margin:0;
    background:#0B100E;border-left:1px solid var(--line);
    padding:26px 22px;overflow-y:auto;
    transform:translateX(102%);visibility:hidden;
    transition:transform .38s var(--ease),visibility .38s var(--ease);
    box-shadow:var(--shadow-lg);
  }
  .main-nav.is-open{transform:none;visibility:visible;}
  .nav-link{padding:14px 12px;font-size:1.02rem;}
  .nav-link::after{left:12px;right:auto;width:22px;bottom:8px;}
  .nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
  .header-cta .btn-sm{margin-left:auto;}
  .section{padding:76px 0;}
  .section.tight{padding:60px 0;}
  .stage{grid-template-columns:56px 1fr;}
  .stage-side{grid-column:1 / -1;text-align:left;display:flex;align-items:center;gap:16px;}
  .stage-pct{margin:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media screen and (max-width:760px){
  .container{padding:0 20px;}
  .page-hero{padding:52px 0 64px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 auto;}
  .task-row{grid-template-columns:1fr;gap:14px;padding:20px;}
  .task-state{justify-content:flex-start;}
  .overview-panel{padding:28px 22px;}
  .cta-band{padding:40px 22px;}
  .cta-actions .btn{width:100%;}
  .ring{width:156px;height:156px;}
  .ring-inner b{font-size:2rem;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .brand-text{font-size:.95rem;}
  .header-cta{display:none;}
  .section{padding:62px 0;}
  .kpi-card{padding:22px 20px;}
  .kpi-value{font-size:1.7rem;}
  .stage{padding:18px;gap:14px;}
  .faq-q{padding:17px 18px;font-size:.98rem;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-band h2{font-size:1.45rem;}
}

/* roulang page: category5 */
:root{
  --bg:#0A0C0B;
  --bg-2:#0F1412;
  --surface:#151C1A;
  --surface-2:#1B2421;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --mint:#35F2B6;
  --mint-d:#1FB98A;
  --violet:#7C5CFF;
  --amber:#F7C948;
  --coral:#FF6B6B;
  --text:#F4FFF9;
  --muted:#A7B7B1;
  --weak:#6E7F79;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --shadow-card:0 12px 32px rgba(0,0,0,.32);
  --shadow-pop:0 24px 80px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,242,182,.18),0 0 28px rgba(53,242,182,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
  background-image:radial-gradient(900px 520px at 12% -6%,rgba(53,242,182,.09),transparent 62%),radial-gradient(760px 460px at 92% 4%,rgba(124,92,255,.10),transparent 60%);
  background-repeat:no-repeat;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;line-height:1.25;color:var(--text);letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease)}
a:hover{color:var(--mint)}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
::selection{background:rgba(53,242,182,.28);color:#fff}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 28px}
.gut{margin-left:-14px;margin-right:-14px}
.gut>.cell{padding-left:14px;padding-right:14px}
.grid-x.align-middle{-webkit-box-align:center;align-items:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:12px;border:1px solid transparent;
  font-size:.97rem;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .28s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn i{font-size:.9em}
.btn-primary{background:var(--mint);color:#04140E;box-shadow:0 10px 26px rgba(53,242,182,.22)}
.btn-primary:hover{background:#4dffc6;color:#04140E;box-shadow:0 14px 34px rgba(53,242,182,.36);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border-color:rgba(53,242,182,.45);color:var(--mint)}
.btn-outline:hover{background:rgba(53,242,182,.12);color:var(--mint);transform:translateY(-2px)}
.btn-ghost{background:transparent;border:0;color:var(--muted);padding:8px 2px;position:relative;border-radius:0}
.btn-ghost::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.btn-ghost:hover{color:var(--mint)}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn-sm{padding:9px 16px;font-size:.88rem;border-radius:10px}
.btn-lg{padding:16px 34px;font-size:1.05rem}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,11,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;flex-shrink:0}
.brand-mark{width:12px;height:12px;border-radius:3px;background:linear-gradient(135deg,var(--mint),var(--violet));box-shadow:0 0 18px rgba(53,242,182,.6)}
.brand-text{font-size:1.06rem;letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:9px 12px;font-size:.94rem;color:var(--muted);border-radius:8px;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);box-shadow:0 0 10px rgba(53,242,182,.7)}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);text-shadow:0 0 14px rgba(53,242,182,.5)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-cta{margin-left:8px;flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);flex-direction:column;justify-content:center;align-items:center;gap:5px;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .28s var(--ease),opacity .2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 抽屉导航 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:120;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .38s var(--ease);
  padding:26px 22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--text)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:13px 14px;border-radius:12px;font-size:1.02rem;font-weight:600;color:var(--muted);border:1px solid transparent}
.drawer-nav a:hover{background:var(--surface);color:var(--text);border-color:var(--line)}
.drawer-nav a.is-active{color:var(--text);background:var(--surface);border-color:rgba(53,242,182,.35);box-shadow:var(--glow)}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.drawer-mask{position:fixed;inset:0;background:rgba(4,6,5,.7);opacity:0;pointer-events:none;transition:opacity .3s;z-index:110}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--weak);flex-wrap:wrap}
.crumbs a{color:var(--weak)}
.crumbs a:hover{color:var(--mint)}
.crumbs .sep{opacity:.5}
.crumbs .now{color:var(--muted)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(10,12,11,.74) 0%,rgba(10,12,11,.92) 58%,var(--bg) 100%),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;z-index:0}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(180deg,rgba(0,0,0,.65),transparent 78%)}
.hero-inner{position:relative;z-index:1;padding:66px 0 74px}
.hero-copy{max-width:660px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(53,242,182,.3);background:rgba(53,242,182,.07);color:var(--mint);font-size:.8rem;font-weight:600;letter-spacing:.06em;margin-bottom:20px}
.eyebrow i{font-size:.72rem}
h1.hero-title{font-size:clamp(2.05rem,4vw,3.15rem);font-weight:900;line-height:1.18;letter-spacing:.01em;margin-bottom:18px}
h1.hero-title em{font-style:normal;color:var(--mint);text-shadow:0 0 26px rgba(53,242,182,.3)}
.hero-sub{font-size:1.06rem;color:var(--muted);line-height:1.9;max-width:560px;margin-bottom:28px}
.search-box{display:flex;gap:10px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px 8px 8px 16px;max-width:560px;transition:border-color .25s,box-shadow .25s}
.search-box:focus-within{border-color:var(--mint);box-shadow:var(--glow)}
.search-box i{color:var(--weak)}
.search-box input{flex:1;min-width:0;background:transparent;border:0;outline:none;padding:11px 4px;font-size:.97rem}
.search-box input::placeholder{color:var(--weak)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{display:inline-block;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--muted);font-size:.84rem;transition:all .25s var(--ease)}
.tag:hover{color:var(--mint);border-color:rgba(53,242,182,.4);background:rgba(53,242,182,.08)}
.hero-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:20px;box-shadow:var(--shadow-card)}
.hero-side img{border-radius:var(--r-m);aspect-ratio:16/9;object-fit:cover;width:100%}
.side-title{display:flex;align-items:center;gap:8px;font-size:.95rem;font-weight:700;margin:16px 0 10px}
.side-title i{color:var(--mint)}
.side-list{display:flex;flex-direction:column;gap:9px}
.side-list li{display:flex;gap:10px;font-size:.9rem;color:var(--muted);line-height:1.7}
.side-list li i{color:var(--mint-d);font-size:.75rem;margin-top:8px}
.stat-row{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.stat-pill{flex:1;min-width:96px;padding:12px 14px;border-radius:var(--r-m);background:var(--surface-2);border:1px solid var(--line)}
.stat-pill b{display:block;font-size:1.05rem;font-weight:800}
.stat-pill span{font-size:.76rem;color:var(--weak)}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section-tight{padding:70px 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:44px;max-width:720px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:.14em;color:var(--mint);text-transform:uppercase;margin-bottom:14px}
.sec-kicker::before{content:"";width:22px;height:1px;background:var(--mint);display:inline-block}
h2.sec-title{font-size:clamp(1.65rem,2.6vw,2.3rem);font-weight:800;margin-bottom:14px}
.sec-desc{color:var(--muted);font-size:1rem;line-height:1.9}

/* ---------- 分类卡 ---------- */
.cat-card{
  display:block;height:100%;padding:26px 24px;border-radius:var(--r-l);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.35);box-shadow:var(--shadow-pop)}
.cat-icon{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(53,242,182,.1);border:1px solid rgba(53,242,182,.22);color:var(--mint);font-size:1.1rem;margin-bottom:18px}
.cat-card h3{font-size:1.16rem;margin-bottom:10px}
.cat-card p{color:var(--muted);font-size:.92rem;line-height:1.8;margin-bottom:16px}
.cat-card .more{font-size:.85rem;font-weight:700;color:var(--mint);display:inline-flex;align-items:center;gap:6px}
.cat-card .more i{transition:transform .28s var(--ease)}
.cat-card:hover .more i{transform:translateX(4px)}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.steps::before{content:"";position:absolute;top:26px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,rgba(53,242,182,.45),rgba(124,92,255,.4),rgba(53,242,182,.1))}
.step{position:relative;padding-top:0}
.step-num{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.02rem;background:var(--bg-2);border:1px solid rgba(53,242,182,.35);color:var(--mint);position:relative;z-index:1;margin-bottom:18px;box-shadow:0 0 20px rgba(53,242,182,.14)}
.step h3{font-size:1.04rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.9rem;line-height:1.8}

/* ---------- FAQ ---------- */
.faq-group-title{font-size:.82rem;font-weight:700;letter-spacing:.12em;color:var(--weak);margin:0 0 14px}
.faq-group + .faq-group{margin-top:38px}
.faq-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);margin-bottom:12px;overflow:hidden;transition:border-color .3s var(--ease),box-shadow .3s var(--ease)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--mint);opacity:.3;transition:opacity .3s var(--ease)}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:rgba(53,242,182,.4);box-shadow:var(--glow)}
.faq-item.is-open::before{opacity:1}
.faq-q{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;width:100%;padding:18px 22px 18px 26px;background:none;border:0;text-align:left;font-size:1.03rem;font-weight:700;line-height:1.65;color:var(--text)}
.faq-q:hover{color:var(--mint)}
.faq-mark{flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid rgba(53,242,182,.4);color:var(--mint);display:flex;align-items:center;justify-content:center;font-size:.78rem;margin-top:3px;transition:transform .3s var(--ease),background-color .3s}
.faq-item.is-open .faq-mark{transform:rotate(45deg);background:rgba(53,242,182,.14)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a-inner{padding:0 26px 22px;color:var(--muted);font-size:.95rem;line-height:1.9}
.faq-a-inner strong{color:var(--text);font-weight:700}
.faq-a-inner ol{counter-reset:faqstep;margin-top:12px}
.faq-a-inner ol li{position:relative;padding-left:26px;margin-bottom:8px;color:var(--muted)}
.faq-a-inner ol li::before{counter-increment:faqstep;content:counter(faqstep);position:absolute;left:0;top:4px;width:17px;height:17px;border-radius:50%;background:rgba(53,242,182,.14);color:var(--mint);font-size:.66rem;display:flex;align-items:center;justify-content:center;font-weight:700}

/* ---------- 错误对照 ---------- */
.issue-card{height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:22px;transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease)}
.issue-card:hover{transform:translateY(-3px);border-color:rgba(124,92,255,.4);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.issue-code{display:inline-block;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.8rem;padding:4px 10px;border-radius:6px;background:rgba(255,107,107,.1);border:1px solid rgba(255,107,107,.28);color:#FFB1B1;margin-bottom:14px}
.issue-card h3{font-size:1rem;margin-bottom:8px}
.issue-card p{color:var(--muted);font-size:.9rem;line-height:1.8}
.issue-fix{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:.88rem;color:var(--mint);display:flex;gap:8px}
.issue-fix i{margin-top:6px;font-size:.72rem}

/* ---------- 联系表单 ---------- */
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:32px;box-shadow:var(--shadow-card)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--muted);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:12px;background:var(--bg-2);
  border:1px solid var(--line);color:var(--text);outline:none;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.8}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--mint);box-shadow:var(--glow)}
.field input::placeholder,.field textarea::placeholder{color:var(--weak)}
.field .help{font-size:.78rem;color:var(--weak);margin-top:7px;line-height:1.7}
.field.has-error input,.field.has-error textarea{border-color:var(--coral)}
.field.has-error .help{color:var(--coral)}
.info-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:28px;height:100%}
.info-panel img{border-radius:var(--r-m);aspect-ratio:4/3;object-fit:cover;margin-bottom:20px}
.info-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.info-item:last-child{border-bottom:0;padding-bottom:0}
.info-item i{color:var(--mint);margin-top:6px;width:18px;text-align:center}
.info-item b{display:block;font-size:.95rem;margin-bottom:4px}
.info-item span{font-size:.86rem;color:var(--muted);line-height:1.75}

/* ---------- 相关栏目 ---------- */
.rel-card{display:flex;align-items:center;gap:16px;height:100%;padding:20px;border-radius:var(--r-m);background:var(--surface);border:1px solid var(--line);transition:transform .3s var(--ease),border-color .3s var(--ease),background-color .3s}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(53,242,182,.35);background:var(--surface-2)}
.rel-idx{font-size:1.5rem;font-weight:900;color:var(--weak);min-width:40px;font-variant-numeric:tabular-nums}
.rel-card h3{font-size:1rem;margin-bottom:4px}
.rel-card p{font-size:.84rem;color:var(--weak)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-l);padding:56px 48px;background:linear-gradient(120deg,rgba(53,242,182,.12),rgba(124,92,255,.14)),var(--surface);border:1px solid rgba(53,242,182,.22);text-align:center}
.cta-band::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px);background-size:100% 34px;opacity:.5;pointer-events:none}
.cta-band h2{position:relative;font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:14px}
.cta-band p{position:relative;color:var(--muted);max-width:600px;margin:0 auto 28px}
.cta-actions{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#070908;border-top:1px solid var(--line);position:relative;padding:64px 0 28px;margin-top:20px}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(53,242,182,.7),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;margin-bottom:16px}
.footer-text{color:var(--weak);font-size:.88rem;line-height:1.85;max-width:340px}
.site-footer h4{font-size:.94rem;font-weight:700;margin-bottom:16px;color:var(--text)}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer ul a{font-size:.88rem;color:var(--weak)}
.site-footer ul a:hover{color:var(--mint)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:24px;border-top:1px solid var(--line);font-size:.82rem;color:var(--weak);flex-wrap:wrap}
.back-top{color:var(--muted);font-size:.82rem}
.back-top:hover{color:var(--mint)}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .section{padding:74px 0}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .steps::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:767px){
  .container{padding:0 20px}
  .hero-inner{padding:46px 0 56px}
  h1.hero-title{font-size:1.86rem}
  .hero-sub{font-size:.98rem}
  .search-box{flex-wrap:wrap;padding:12px}
  .search-box input{width:100%;padding:8px 4px}
  .search-box .btn{width:100%}
  .section{padding:60px 0}
  .section-tight{padding:50px 0}
  .steps{grid-template-columns:1fr;gap:22px}
  .step{display:flex;gap:16px;align-items:flex-start}
  .step-num{margin-bottom:0;flex-shrink:0;width:46px;height:46px}
  .cta-band{padding:40px 22px}
  .contact-card,.info-panel{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .faq-q{padding:16px 18px 16px 20px;font-size:.98rem}
  .faq-a-inner{padding:0 20px 18px}
}
@media screen and (max-width:519px){
  .brand-text{font-size:.96rem}
  .hero-side{padding:16px}
  .cat-card{padding:22px 20px}
  .rel-card{flex-direction:column;align-items:flex-start;gap:10px}
}