/* roulang page: index */
:root{
  --bg-0:#060910;
  --bg-1:#0A0E18;
  --bg-2:#111726;
  --primary:#1FE0B4;
  --primary-h:#45F0C8;
  --primary-d:#0FA98A;
  --violet:#6E5BFF;
  --amber:#FFB43A;
  --ok:#2BD98A;
  --warn:#FF5D6C;
  --info:#4FB8FF;
  --tx:#EAF2FF;
  --tx-2:#9FB0C8;
  --tx-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(31,224,180,.22);
  --glass:rgba(255,255,255,.05);
  --r-lg:18px;
  --r-md:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-float:0 24px 60px rgba(0,0,0,.55);
  --glow:0 8px 24px rgba(31,224,180,.28);
  --grad:linear-gradient(135deg,#1FE0B4,#4FB8FF);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","Bahnschrift","DIN Alternate",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--tx);
  background:
    radial-gradient(1100px 560px at 84% -8%,rgba(31,224,180,.10),transparent 62%),
    radial-gradient(900px 500px at 2% 12%,rgba(110,91,255,.10),transparent 60%),
    var(--bg-0);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  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;
  mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:.005em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(31,224,180,.28)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-1)}
::-webkit-scrollbar-thumb{background:rgba(31,224,180,.28);border-radius:999px;border:2px solid var(--bg-1)}
::-webkit-scrollbar-thumb:hover{background:rgba(31,224,180,.45)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative;z-index:1}
.section--tight{padding:64px 0}
.glass{
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.30),transparent);
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.eyebrow{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--primary);
  margin-bottom:10px;
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:inline-block}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--tx)}
.sec-desc{margin-top:12px;color:var(--tx-2);font-size:15px;max-width:640px}
.link-more{
  color:var(--primary);
  font-size:14px;
  white-space:nowrap;
  padding:8px 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  transition:.25s;
}
.link-more:hover{background:rgba(31,224,180,.10);box-shadow:0 0 0 4px rgba(31,224,180,.06)}

/* 顶部公告条 */
.topbar{
  position:relative;
  z-index:60;
  background:rgba(6,9,16,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:var(--tx-2)}
.notice{display:flex;align-items:center;gap:10px;min-width:0;flex:1}
.notice-tag{
  font-family:var(--font-num);
  font-size:11px;letter-spacing:.1em;
  color:#08150F;background:var(--primary);
  padding:2px 8px;border-radius:var(--r-pill);
  flex:none;
}
.notice-track{overflow:hidden;position:relative;height:20px;flex:1}
.notice-track span{
  position:absolute;inset:0;
  display:flex;align-items:center;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  opacity:0;transform:translateY(6px);
  transition:.5s ease;
}
.notice-track span.is-on{opacity:1;transform:translateY(0)}
.topbar-links{display:flex;align-items:center;gap:18px;flex:none}
.topbar-links a{transition:.2s}
.topbar-links a:hover{color:var(--primary)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:55;
  background:rgba(6,9,16,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,box-shadow .3s;
}
.site-header.is-stuck{
  background:rgba(6,9,16,.95);
  border-bottom-color:var(--line);
  box-shadow:0 14px 40px rgba(0,0,0,.45);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:flex;align-items:baseline;gap:8px;flex:none}
.brand-mark{font-size:21px;font-weight:800;letter-spacing:.02em;color:var(--tx)}
.brand-mark em{font-style:normal;color:var(--primary)}
.brand-sub{
  font-size:12px;color:var(--tx-2);
  padding:3px 9px;border:1px solid var(--line);border-radius:var(--r-pill);
  letter-spacing:.04em;
}
.nav-chips{
  display:flex;align-items:center;gap:6px;
  padding:6px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(10px);
  overflow-x:auto;
  scrollbar-width:none;
  margin:0 auto;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  padding:8px 18px;
  font-size:14px;
  color:var(--tx-2);
  border-radius:var(--r-pill);
  border:1px solid transparent;
  white-space:nowrap;
  transition:.25s;
}
.chip:hover{color:var(--tx);background:rgba(255,255,255,.06)}
.chip.is-active{
  color:var(--primary);
  border-color:var(--line-strong);
  background:rgba(31,224,180,.10);
  box-shadow:inset 0 0 18px rgba(31,224,180,.16);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  padding:0;position:relative;
}
.burger span{
  position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--tx);
  transition:.25s;
}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(8,12,20,.98);
  padding:18px 0 26px;
}
.drawer.is-open{display:block}
.drawer-list{display:flex;flex-direction:column;gap:8px}
.drawer-list a{
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-md);
  color:var(--tx-2);font-size:15px;transition:.2s;
}
.drawer-list a:hover,.drawer-list a.is-active{color:var(--primary);border-color:var(--line-strong);background:rgba(31,224,180,.08)}
.drawer-cta{margin-top:16px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
  line-height:1;
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{
  background:var(--grad);color:#06231C;
  box-shadow:var(--glow),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(31,224,180,.36),inset 0 1px 0 rgba(255,255,255,.4);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(31,224,180,.24)}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);
  color:var(--primary);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(31,224,180,.10);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-amber{
  background:linear-gradient(135deg,#FFB43A,#FF8A3A);
  color:#3A2200;
  box-shadow:0 10px 28px rgba(255,180,58,.28),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-amber:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,58,.38)}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(31,224,180,.12);
  color:var(--primary);
  border:1px solid rgba(31,224,180,.20);
}
.badge-amber{background:rgba(255,180,58,.14);color:var(--amber);border-color:rgba(255,180,58,.26)}
.badge-violet{background:rgba(110,91,255,.16);color:#B4A9FF;border-color:rgba(110,91,255,.3)}

/* Hero */
.hero{position:relative;padding:72px 0 88px;z-index:1;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.22;
  filter:saturate(120%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,16,.55) 0%,rgba(6,9,16,.88) 62%,var(--bg-0) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center}
.hero-tag{margin-bottom:20px}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.16;
  max-width:14em;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{
  margin-top:22px;
  color:var(--tx-2);
  font-size:17px;
  max-width:34em;
  line-height:1.85;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:0;
  margin-top:44px;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.hero-metrics li{
  padding-right:26px;margin-right:26px;
  border-right:1px solid var(--line);
  font-size:13px;color:var(--tx-3);
}
.hero-metrics li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-metrics b{
  display:block;
  font-family:var(--font-num);
  font-size:22px;font-weight:700;color:var(--tx);
  letter-spacing:.01em;
}
.hero-visual{position:relative}
.hero-card{
  position:relative;
  border-radius:22px;
  padding:26px;
  aspect-ratio:5/4;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-float);
  overflow:hidden;
  transform:perspective(1200px) rotateY(-6deg) rotateX(2deg);
  animation:breathe 6s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{box-shadow:0 24px 60px rgba(0,0,0,.55),0 0 0 rgba(31,224,180,0)}
  50%{box-shadow:0 24px 60px rgba(0,0,0,.55),0 0 42px rgba(31,224,180,.18)}
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.35;
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 240px at 70% 10%,rgba(31,224,180,.30),transparent 68%),
             linear-gradient(180deg,rgba(6,9,16,.30),rgba(6,9,16,.85));
}
.hero-shot{
  position:relative;z-index:2;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:var(--sh-card);
  margin-top:36px;
}
.hero-shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-shot-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 16px;font-size:13px;color:var(--tx-2);
  background:linear-gradient(180deg,transparent,rgba(6,9,16,.92));
}
.hero-fold{
  position:absolute;top:0;right:0;z-index:3;
  background:linear-gradient(135deg,rgba(31,224,180,.95),rgba(79,184,255,.95));
  color:#06231C;font-size:12px;font-weight:700;
  padding:24px 16px 10px;
  clip-path:polygon(100% 0,100% 100%,0 0);
  writing-mode:horizontal-tb;
}
.hero-corner-tag{
  position:absolute;left:22px;top:22px;z-index:3;
}

/* 数据条 */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{
  padding:34px 24px;
  border-right:1px solid var(--line);
  text-align:left;
}
.stat:last-child{border-right:0}
.stat b{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  color:var(--primary);
  letter-spacing:-.01em;
}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--tx-2)}
.stat small{display:block;margin-top:4px;font-size:12px;color:var(--tx-3)}

/* 权益阶梯 */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start;position:relative}
.ladder::before{
  content:"";position:absolute;left:0;right:0;bottom:-18px;height:1px;
  background:linear-gradient(90deg,rgba(31,224,180,.5),rgba(31,224,180,.05));
}
.ladder-item{padding:26px;display:flex;flex-direction:column;gap:14px;transition:.28s}
.ladder-item:nth-child(1){margin-top:0}
.ladder-item:nth-child(2){margin-top:28px}
.ladder-item:nth-child(3){margin-top:56px}
.ladder-item:nth-child(4){margin-top:84px}
.ladder-item:hover{border-color:rgba(31,224,180,.35);transform:translateY(-4px)}
.ladder-item .lv{
  font-family:var(--font-num);
  font-size:12px;letter-spacing:.16em;color:var(--tx-3);
}
.ladder-item h3{font-size:19px;font-weight:700}
.ladder-item p{font-size:14px;color:var(--tx-2);line-height:1.8}
.ladder-item ul{display:flex;flex-direction:column;gap:10px;margin-top:2px}
.ladder-item li{font-size:14px;color:var(--tx-2);display:flex;gap:9px;line-height:1.7}
.ladder-item li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;margin-top:9px}
.ladder-item .ladder-link{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  color:var(--primary);font-size:14px;transition:.2s;
}
.ladder-item .ladder-link:hover{letter-spacing:.02em}

/* 套餐对比 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{padding:28px;display:flex;flex-direction:column;gap:18px;transition:.28s}
.plan:hover{border-color:rgba(31,224,180,.30);transform:translateY(-4px)}
.plan.is-best{
  border-color:var(--line-strong);
  background:linear-gradient(180deg,rgba(31,224,180,.10),rgba(255,255,255,.04));
  transform:translateY(-14px);
  box-shadow:var(--sh-float),0 0 40px rgba(31,224,180,.14);
}
.plan.is-best:hover{transform:translateY(-18px)}
.plan-corner{
  position:absolute;top:0;right:0;
  background:var(--grad);color:#06231C;
  font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:0 var(--r-lg) 0 12px;
}
.plan h3{font-size:20px;font-weight:700}
.plan .plan-price{font-family:var(--font-num);font-size:15px;color:var(--amber);letter-spacing:.02em}
.plan .plan-note{font-size:13px;color:var(--tx-3);line-height:1.7}
.plan-rows{display:flex;flex-direction:column;gap:2px;margin-top:4px}
.plan-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px solid var(--line);
  font-size:14px;color:var(--tx-2);
}
.plan-row:last-child{border-bottom:0}
.plan-row b{font-weight:600;color:var(--tx);font-size:13px;font-family:var(--font-num)}
.plan-row .yes{color:var(--ok)}
.plan-row .no{color:var(--tx-3)}
.plan .btn{margin-top:auto}

/* 限时入口 */
.limited{
  display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:center;
  padding:34px 36px;
  border-color:rgba(255,180,58,.28);
  background:linear-gradient(120deg,rgba(255,180,58,.10),rgba(255,255,255,.04) 55%);
}
.limited::after{
  content:"";position:absolute;top:0;bottom:0;width:180px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);
  animation:sweep 6.5s ease-in-out infinite;
  pointer-events:none;
}
@keyframes sweep{
  0%{left:-200px;opacity:0}
  20%{opacity:1}
  80%{opacity:1}
  100%{left:110%;opacity:0}
}
.limited h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;margin-top:16px}
.limited p.lead{margin-top:12px;color:var(--tx-2);font-size:15px}
.countdown{display:flex;gap:12px;margin-top:24px}
.cd-block{
  min-width:74px;text-align:center;
  padding:12px 10px;
  border-radius:var(--r-md);
  background:rgba(6,9,16,.6);
  border:1px solid rgba(255,180,58,.28);
}
.cd-block b{display:block;font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--amber);letter-spacing:.02em}
.cd-block span{display:block;margin-top:4px;font-size:12px;color:var(--tx-3)}
.limited-right{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.limited-right .hint{font-size:13px;color:var(--tx-3)}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:22px}
.news-lead{padding:0;overflow:hidden;display:flex;flex-direction:column;transition:.28s}
.news-lead:hover{border-color:rgba(31,224,180,.32);transform:translateY(-4px)}
.news-lead .thumb{position:relative;overflow:hidden}
.news-lead .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s}
.news-lead:hover .thumb img{transform:scale(1.03)}
.news-lead .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-lead h3{font-size:22px;font-weight:700;line-height:1.4}
.news-lead p{font-size:14px;color:var(--tx-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side{display:flex;flex-direction:column;gap:22px}
.news-mini{display:flex;gap:16px;padding:18px;transition:.28s;flex:1}
.news-mini:hover{border-color:rgba(31,224,180,.32);transform:translateY(-4px)}
.news-mini .thumb{flex:none;width:120px;border-radius:var(--r-md);overflow:hidden}
.news-mini .thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s}
.news-mini:hover .thumb img{transform:scale(1.04)}
.news-mini .body{display:flex;flex-direction:column;gap:10px;min-width:0}
.news-mini h3{font-size:17px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini p{font-size:13px;color:var(--tx-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:12px;color:var(--tx-3);
  margin-top:auto;
}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--tx-3);display:inline-block}
.meta time{font-family:var(--font-num)}
.news-lines{margin-top:22px;border-top:1px solid var(--line)}
.news-line{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px 6px;border-bottom:1px solid var(--line);
  transition:.22s;
}
.news-line:hover{background:rgba(31,224,180,.05);padding-left:14px}
.news-line .nl-title{
  font-size:15px;color:var(--tx);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.news-line .nl-meta{display:flex;align-items:center;gap:14px;flex:none;font-size:12px;color:var(--tx-3)}
.news-line .nl-meta time{font-family:var(--font-num)}
.empty-state{
  padding:56px 24px;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
}
.empty-state .ico{
  width:54px;height:54px;margin:0 auto 16px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,224,180,.10);border:1px solid var(--line-strong);
  color:var(--primary);font-family:var(--font-num);font-size:20px;
}
.empty-state p{color:var(--tx-2);font-size:15px}
.empty-state .btn{margin-top:20px}

/* 分类导航 */
.catnav{display:grid;grid-template-columns:1.25fr 1fr;gap:22px}
.cat-card{
  position:relative;display:block;padding:34px;
  border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--sh-card);overflow:hidden;
  min-height:220px;
  transition:.3s;
}
.cat-card::before{
  content:"";position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.30;transition:transform .5s;
}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(6,9,16,.80),rgba(6,9,16,.94));
}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.cat-card:hover::before{transform:scale(1.05)}
.cat-card .inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;height:100%}
.cat-card h3{font-size:22px;font-weight:800}
.cat-card p{font-size:14px;color:var(--tx-2);max-width:32em;line-height:1.8}
.cat-card .go{margin-top:auto;color:var(--primary);font-size:14px;display:inline-flex;align-items:center;gap:8px}
.cat-card--a::before{background-image:url('/assets/images/coverpic/cover-2.png')}
.cat-card--b::before{background-image:url('/assets/images/coverpic/cover-5.webp')}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:rgba(255,255,255,.04);overflow:hidden;transition:.25s}
.faq-item.is-open{border-color:var(--line-strong);background:rgba(31,224,180,.05)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;min-height:56px;
  background:transparent;border:0;color:var(--tx);
  font-size:16px;font-weight:600;text-align:left;line-height:1.5;
}
.faq-q:hover{color:var(--primary)}
.faq-ico{
  flex:none;width:22px;height:22px;position:relative;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:.22s;
}
.faq-ico::before{width:14px;height:2px}
.faq-ico::after{width:2px;height:14px}
.faq-item.is-open .faq-ico::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--tx-2);line-height:1.8}

/* 咨询表单 */
.consult-wrap{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:start}
.consult-info{display:flex;flex-direction:column;gap:18px}
.consult-info h2{font-size:clamp(24px,3vw,32px);font-weight:800}
.consult-info p{color:var(--tx-2);font-size:15px;line-height:1.85}
.consult-points{display:flex;flex-direction:column;gap:14px;margin-top:8px}
.consult-points li{display:flex;gap:12px;font-size:14px;color:var(--tx-2)}
.consult-points li b{color:var(--tx);font-weight:600}
.consult-points li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:8px;border-radius:2px;
  background:var(--grad);
}
.form-card{padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-size:13px;color:var(--tx-2)}
.field label .req{color:var(--warn)}
.field input,.field select,.field textarea{
  width:100%;
  padding:14px;
  font-size:15px;font-family:inherit;color:var(--tx);
  background:rgba(6,9,16,.55);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:.22s;
  appearance:none;
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--tx-2) 50%),linear-gradient(135deg,var(--tx-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
.field input::placeholder,.field textarea::placeholder{color:var(--tx-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,180,.16);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--warn);box-shadow:0 0 0 3px rgba(255,93,108,.14)}
.field .err{font-size:12px;color:var(--warn);display:none}
.field.has-error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;grid-column:1/-1}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--primary);flex:none}
.check-row label{font-size:13px;color:var(--tx-2);line-height:1.7}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-actions .tip{font-size:12px;color:var(--tx-3)}
.form-success{
  display:none;
  padding:30px;text-align:center;
  border:1px solid var(--line-strong);border-radius:var(--r-md);
  background:rgba(31,224,180,.07);
}
.form-success.is-on{display:block}
.form-success .ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#06231C;font-size:24px;font-weight:700;
}
.form-success h3{font-size:19px;font-weight:700}
.form-success p{margin-top:10px;color:var(--tx-2);font-size:14px}
.form-success .btn{margin-top:20px}
.is-loading{pointer-events:none;opacity:.75}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:50;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(6,9,16,.85);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:.28s;backdrop-filter:blur(10px);
}
.to-top.is-on{opacity:1;visibility:visible}
.to-top:hover{background:rgba(31,224,180,.12)}

/* 移动底部条 */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:52;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,9,16,.94);
  border-top:1px solid var(--line);
  backdrop-filter:blur(14px);
  gap:10px;
}
.mobile-bar .btn{flex:1;padding:12px 10px;font-size:14px}

/* 页脚 */
.site-footer{position:relative;z-index:1;border-top:1px solid var(--line);background:rgba(10,14,24,.75);margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;padding:64px 0 44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--tx-2);line-height:1.8;max-width:30em}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--tx-2)}
.footer-contact span b{color:var(--tx);font-weight:600}
.footer-col h4{font-size:14px;font-weight:700;color:var(--tx);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--tx-2);transition:.2s}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.footer-bottom .policy{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--primary)}
.compliance{font-size:12px;color:var(--tx-3)}

/* 响应式 */
@media (max-width:1200px){
  .nav-chips{margin:0}
  .hero-inner{grid-template-columns:1fr 1fr;gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:1023px){
  .nav-chips{display:none}
  .burger{display:block}
  .nav-wrap{justify-content:space-between}
  .hero{padding:56px 0 72px}
  .hero-inner{grid-template-columns:1fr}
  .hero-card{transform:none;aspect-ratio:16/11}
  .ladder{grid-template-columns:1fr 1fr}
  .ladder-item:nth-child(2),.ladder-item:nth-child(3),.ladder-item:nth-child(4){margin-top:0}
  .ladder::before{display:none}
  .plans{grid-template-columns:1fr 1fr}
  .plan.is-best{transform:none}
  .plan.is-best:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:1fr}
  .catnav{grid-template-columns:1fr}
  .consult-wrap{grid-template-columns:1fr}
  .limited{grid-template-columns:1fr;padding:28px}
  .stats-inner{grid-template-columns:1fr 1fr}
  .stat{border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .hero h1{font-size:30px}
  .hero-metrics{gap:12px 0}
  .hero-metrics li{padding-right:18px;margin-right:18px;font-size:12px}
  .hero-metrics b{font-size:18px}
  .news-mini{flex-direction:column}
  .news-mini .thumb{width:100%}
  .news-line{flex-direction:column;align-items:flex-start;gap:8px}
  .news-line .nl-title{white-space:normal}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;padding:44px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-bar{display:flex}
  body{padding-bottom:68px}
  .to-top{bottom:84px;right:16px}
  .cd-block{min-width:64px}
  .cd-block b{font-size:22px}
  .limited-right{width:100%}
  .limited-right .btn{width:100%}
  .consult-info h2{font-size:22px}
}
@media (max-width:559px){
  .plans{grid-template-columns:1fr}
  .ladder{grid-template-columns:1fr}
  .stats-inner{grid-template-columns:1fr}
  .stat{border-right:0}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .countdown{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#060910;
  --bg-1:#0A0E18;
  --bg-2:#111726;
  --primary:#1FE0B4;
  --primary-hover:#45F0C8;
  --primary-deep:#0FA98A;
  --violet:#6E5BFF;
  --amber:#FFB43A;
  --success:#2BD98A;
  --warn:#FF5D6C;
  --info:#4FB8FF;
  --text:#EAF2FF;
  --text-2:#9FB0C8;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(31,224,180,.22);
  --card-bg:rgba(255,255,255,.05);
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-lg:0 24px 60px rgba(0,0,0,.55);
  --glow:0 8px 24px rgba(31,224,180,.28);
  --container:1240px;
  --num-font:"Inter","Bahnschrift","DIN Alternate",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(900px 620px at 10% -10%, rgba(31,224,180,.10), transparent 62%),
    radial-gradient(760px 520px at 94% 2%, rgba(110,91,255,.13), transparent 64%),
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:auto,auto,58px 58px,58px 58px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
::selection{background:rgba(31,224,180,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-1)}
::-webkit-scrollbar-thumb{background:rgba(31,224,180,.28);border-radius:999px;border:2px solid var(--bg-1)}
::-webkit-scrollbar-thumb:hover{background:rgba(31,224,180,.45)}

/* ---------- 顶部公告条 ---------- */
.topbar{
  position:relative;
  z-index:60;
  background:rgba(6,9,16,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.topbar-inner{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-size:13px;
  color:var(--text-2);
}
.notice{display:flex;align-items:center;gap:10px;min-width:0}
.notice .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(31,224,180,.8);
  flex:none;
}
.notice p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-links{display:flex;align-items:center;gap:18px;flex:none}
.topbar-links a{color:var(--text-2)}
.topbar-links a:hover{color:var(--primary)}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(10,14,24,.72);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,9,16,.94);
  border-bottom-color:var(--line-strong);
}
.header-inner{
  min-height:72px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{display:flex;align-items:baseline;gap:8px;flex:none}
.brand-mark{
  font-size:22px;
  font-weight:800;
  letter-spacing:.02em;
  color:#fff;
}
.brand-mark em{
  font-style:normal;
  background:linear-gradient(135deg,var(--primary),var(--info));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.brand-sub{
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.16em;
  padding-left:8px;
  border-left:1px solid var(--line);
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:6px;
  padding:6px;
  margin-left:8px;
  border:1px solid var(--line);
  border-radius:var(--pill);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(12px);
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 18px;
  border-radius:var(--pill);
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
  border:1px solid transparent;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--text);background:rgba(255,255,255,.05)}
.chip.is-active{
  color:#04140F;
  font-weight:600;
  background:linear-gradient(135deg,var(--primary),var(--primary-hover));
  border-color:rgba(31,224,180,.55);
  box-shadow:0 0 0 1px rgba(31,224,180,.35),inset 0 0 12px rgba(255,255,255,.22);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s 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-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(6,9,16,.97);
  padding:16px 24px 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:14px}
.drawer-link{
  display:block;
  padding:13px 14px;
  border-radius:var(--radius-sm);
  color:var(--text-2);
  border:1px solid transparent;
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.drawer-link.is-active{
  color:var(--primary);
  background:rgba(31,224,180,.10);
  border-color:var(--line-strong);
  font-weight:600;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background-color .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-primary{
  color:#04140F;
  background:linear-gradient(135deg,var(--primary),var(--primary-hover));
  box-shadow:var(--glow),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-primary:hover{
  transform:translateY(-2px);
  filter:brightness(1.06);
  box-shadow:0 14px 32px rgba(31,224,180,.42),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(31,224,180,.3)}
.btn-ghost{
  color:var(--primary);
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(31,224,180,.10);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:fixed;
  top:0;left:0;
  height:3px;
  width:0;
  z-index:80;
  background:linear-gradient(90deg,var(--primary),var(--info));
  box-shadow:0 0 12px rgba(31,224,180,.6);
  transition:width .1s linear;
}

/* ---------- 主体 ---------- */
.main{position:relative;z-index:1;padding:34px 0 0}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
  flex-wrap:nowrap;
  overflow:hidden;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--primary);opacity:.75}
.breadcrumb .current{
  color:var(--text-3);
  max-width:46ch;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ---------- 文章标题区 ---------- */
.article-head{
  padding:30px 32px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:
    radial-gradient(600px 260px at 8% 0%, rgba(31,224,180,.14), transparent 68%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(140%);
  margin-bottom:26px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--pill);
  font-size:12px;
  font-weight:600;
  color:var(--primary);
  background:rgba(31,224,180,.12);
  border:1px solid var(--line-strong);
  margin-bottom:16px;
}
.badge.badge-amber{color:var(--amber);background:rgba(255,180,58,.12);border-color:rgba(255,180,58,.28)}
.article-head h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.35;
  font-weight:800;
  letter-spacing:.01em;
  margin-bottom:18px;
}
.meta-row{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.meta-row .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}
.share-group{margin-left:auto;display:flex;gap:8px}
.share-btn{
  height:34px;
  padding:0 14px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  font-size:13px;
  color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.share-btn:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(31,224,180,.08)}

/* ---------- 封面 ---------- */
.cover{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  margin-bottom:34px;
  background:var(--bg-2);
}
.cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:46%;
  background:linear-gradient(180deg, transparent, rgba(6,9,16,.85));
  pointer-events:none;
}
.cover figcaption{
  position:absolute;
  left:20px;bottom:16px;
  z-index:2;
  font-size:13px;
  color:var(--text-2);
}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;
  align-items:start;
}
.article-main{max-width:840px;min-width:0}

/* ---------- 正文排版 ---------- */
.prose{
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:#D8E4F6;
  padding-bottom:8px;
}
.prose > * + *{margin-top:18px}
.prose p{margin:0 0 18px}
.prose h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.45;
  font-weight:700;
  color:#fff;
  margin:44px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--primary);
}
.prose h3{
  font-size:20px;
  line-height:1.5;
  font-weight:700;
  color:#F2F7FF;
  margin:30px 0 12px;
}
.prose h4{font-size:17px;font-weight:700;color:#F2F7FF;margin:24px 0 10px}
.prose a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.prose a:hover{color:var(--primary-hover)}
.prose strong{color:#fff}
.prose ul,.prose ol{padding-left:24px;margin:0 0 18px}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose li{margin:10px 0}
.prose li::marker{color:var(--primary)}
.prose blockquote{
  margin:24px 0;
  padding:18px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--radius) var(--radius) 0;
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(10px);
  color:var(--text-2);
}
.prose img{
  width:100%;
  border-radius:var(--radius);
  border:1px solid var(--line);
  margin:24px 0;
}
.prose figure{margin:26px 0}
.prose figure img{margin:0}
.prose figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--text-3);
  text-align:center;
}
.prose table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  margin:24px 0;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
}
.prose th,.prose td{
  padding:12px 14px;
  border:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.prose th{background:rgba(31,224,180,.08);color:#fff;font-weight:600}
.prose tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.prose hr{border:0;height:1px;background:var(--line);margin:32px 0}
.prose code{
  font-family:var(--num-font);
  font-size:14px;
  background:rgba(255,255,255,.07);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
  color:var(--primary-hover);
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  padding:64px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.03);
}
.empty-state .icon{
  width:56px;height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,224,180,.1);
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-size:22px;
  font-weight:700;
}
.empty-state h3{font-size:20px;color:#fff;margin-bottom:10px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ---------- 标签组 ---------- */
.tag-row{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin:40px 0 30px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--pill);
  font-size:13px;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.tag:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(31,224,180,.08)}

/* ---------- 上下篇 ---------- */
.pager{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-bottom:16px;
}
.pager-card{
  display:block;
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card-bg);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.pager-card:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow);
}
.pager-card .kicker{
  display:block;
  font-size:12px;
  color:var(--text-3);
  margin-bottom:8px;
  letter-spacing:.08em;
}
.pager-card strong{display:block;font-size:16px;line-height:1.6;color:#fff;font-weight:600}
.pager-card.next{text-align:right}

/* ---------- 文末 CTA ---------- */
.inline-cta{
  display:flex;
  align-items:center;
  gap:24px;
  padding:26px 30px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(520px 220px at 0% 50%, rgba(31,224,180,.16), transparent 70%),
    linear-gradient(135deg, rgba(31,224,180,.08), rgba(110,91,255,.10));
  margin-bottom:46px;
}
.inline-cta .copy{flex:1;min-width:0}
.inline-cta h3{font-size:20px;color:#fff;margin-bottom:8px}
.inline-cta p{font-size:14px;color:var(--text-2)}

/* ---------- 相关推荐 ---------- */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:24px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px}
.section-head .more{font-size:14px;color:var(--primary);white-space:nowrap}
.section-head .more:hover{color:var(--primary-hover)}
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
  padding-bottom:70px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--card-bg);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-lg)}
.rec-thumb{position:relative;overflow:hidden;background:var(--bg-2)}
.rec-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:20px 22px 22px}
.rec-body h3{font-size:17px;line-height:1.55;color:#fff;margin-bottom:10px}
.rec-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:16px;
  font-size:12px;
  color:var(--text-3);
}
.rec-foot .pill{
  height:22px;
  padding:0 10px;
  border-radius:var(--pill);
  background:rgba(31,224,180,.12);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
}

/* ---------- 侧栏 ---------- */
.article-side{position:relative;display:flex;flex-direction:column;gap:20px;min-width:0}
.side-card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card-bg);
  backdrop-filter:blur(14px) saturate(140%);
  padding:20px 20px 22px;
}
.toc-card{position:sticky;top:96px}
.side-card h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:3px;height:14px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--info));
}
.toc{display:flex;flex-direction:column;max-height:46vh;overflow-y:auto}
.toc-link{
  display:block;
  padding:8px 0 8px 14px;
  font-size:13.5px;
  line-height:1.6;
  color:var(--text-2);
  border-left:2px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.toc-link:hover{color:var(--text)}
.toc-link.is-sub{padding-left:26px;font-size:13px;color:var(--text-3)}
.toc-link.is-current{
  color:var(--primary);
  border-left-color:var(--primary);
  background:linear-gradient(90deg, rgba(31,224,180,.12), transparent);
  font-weight:600;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-item{display:block;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.side-item:last-child{border-bottom:0;padding-bottom:0}
.side-item:hover strong{color:var(--primary)}
.side-item strong{display:block;font-size:14.5px;line-height:1.6;color:#EAF2FF;font-weight:600;transition:color .2s ease}
.side-item span{display:block;font-size:12px;color:var(--text-3);margin-top:6px}
.side-cta{
  text-align:center;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  padding:22px 18px;
  background:radial-gradient(320px 160px at 50% 0%, rgba(31,224,180,.16), transparent 70%),rgba(255,255,255,.04);
}
.side-cta p{font-size:13.5px;color:var(--text-2);margin-bottom:14px}

/* ---------- 移动底栏 & 回到顶部 ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,9,16,.95);
  border-top:1px solid var(--line-strong);
  backdrop-filter:blur(14px);
}
.mobile-bar .btn{flex:1}
.back-top{
  position:fixed;
  right:22px;
  bottom:26px;
  z-index:70;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:rgba(10,14,24,.9);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,background-color .2s ease;
}
.back-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-top:hover{background:rgba(31,224,180,.14)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,14,24,.6), rgba(6,9,16,.98));
  padding:64px 0 28px;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:38px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:38ch}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13px;color:var(--text-3)}
.footer-contact b{color:var(--text);font-weight:600}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .policy{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom .policy a{color:var(--text-2)}
.footer-bottom .policy a:hover{color:var(--primary)}
.footer-bottom .compliance{width:100%;font-size:12.5px;color:var(--text-3);opacity:.85}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:34px}
  .article-main{max-width:none}
  .article-side{position:static}
  .toc-card{position:static}
  .rec-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .nav-chips{display:none}
  .nav-toggle{display:flex}
  .header-inner{min-height:66px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .topbar-links{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .main{padding-top:22px}
  .article-head{padding:22px 20px}
  .article-head h1{font-size:26px}
  .share-group{margin-left:0;width:100%}
  .article-layout{gap:26px}
  .prose{font-size:15px}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .rec-grid{grid-template-columns:1fr;padding-bottom:96px}
  .inline-cta{flex-direction:column;align-items:flex-start;padding:22px}
  .mobile-bar{display:flex}
  .back-top{bottom:86px;right:16px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:559px){
  .brand-sub{display:none}
  .brand-mark{font-size:20px}
  .article-head{padding:20px 16px}
  .cover figcaption{left:14px;bottom:12px;font-size:12px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
/* ===================== 设计变量 ===================== */
:root{
  --bg-0:#060910;
  --bg-1:#0A0E18;
  --bg-2:#111726;
  --primary:#1FE0B4;
  --primary-hover:#45F0C8;
  --primary-deep:#0FA98A;
  --violet:#6E5BFF;
  --amber:#FFB43A;
  --success:#2BD98A;
  --warn:#FF5D6C;
  --info:#4FB8FF;
  --text:#EAF2FF;
  --text-2:#9FB0C8;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(31,224,180,.22);
  --glass:rgba(255,255,255,.05);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-float:0 24px 60px rgba(0,0,0,.55);
  --glow:0 8px 24px rgba(31,224,180,.28);
  --grad-primary:linear-gradient(135deg,#1FE0B4,#4FB8FF);
  --container:1240px;
  --header-h:72px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:Inter,Bahnschrift,"Segoe UI",system-ui,sans-serif;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
figure,figcaption{margin:0;}
::selection{background:rgba(31,224,180,.3);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-1);}
::-webkit-scrollbar-thumb{background:rgba(31,224,180,.22);border-radius:999px;border:2px solid var(--bg-1);}
::-webkit-scrollbar-thumb:hover{background:rgba(31,224,180,.4);}

/* ===================== 布局容器 ===================== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:clamp(56px,7vw,96px) 0;position:relative;}
.section-tight{padding:clamp(40px,5vw,64px) 0;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;}

/* ===================== 顶部公告条 ===================== */
.topbar{
  height:38px;
  background:rgba(10,14,24,.9);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.topbar-inner{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.notice{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
  font-size:13px;
  color:var(--text-2);
}
.notice-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(31,224,180,.9);
  flex:none;
  animation:pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.notice-text{
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-links{display:flex;align-items:center;gap:18px;flex:none;font-size:13px;}
.topbar-links a{color:var(--text-2);transition:color .2s ease;}
.topbar-links a:hover{color:var(--primary);}

/* ===================== 导航 ===================== */
.main-header{
  position:sticky;
  top:0;
  z-index:60;
  height:var(--header-h);
  background:rgba(6,9,16,.78);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.main-header.is-scrolled{
  background:rgba(6,9,16,.94);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:22px;
}
.brand{
  display:flex;
  flex-direction:column;
  justify-content:center;
  line-height:1.15;
  flex:none;
}
.brand-mark{
  font-size:21px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--text);
}
.brand-mark em{
  font-style:normal;
  background:var(--grad-primary);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.brand-sub{
  font-size:11px;
  letter-spacing:.34em;
  color:var(--text-3);
  margin-top:3px;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:6px;
  padding:6px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  overflow-x:auto;
  scrollbar-width:none;
  flex:1;
  max-width:520px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:14px;
  white-space:nowrap;
  color:var(--text-2);
  transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--text);background:rgba(255,255,255,.06);}
.chip:active{transform:translateY(1px);}
.chip.is-active{
  color:var(--primary);
  background:rgba(31,224,180,.12);
  border-color:rgba(31,224,180,.38);
  box-shadow:inset 0 0 14px rgba(31,224,180,.18);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
  flex:none;
}

/* 按钮体系 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
  cursor:pointer;
}
.btn-primary{
  background:var(--grad-primary);
  color:#04140F;
  box-shadow:var(--glow),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(31,224,180,.42),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 16px rgba(31,224,180,.3);}
.btn-ghost{
  background:var(--glass);
  color:var(--primary);
  border-color:rgba(31,224,180,.42);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{background:rgba(31,224,180,.1);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(-1px);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}

/* 汉堡与移动抽屉 */
.hamburger{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--glass);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.hamburger span{
  display:block;width:18px;height:2px;border-radius:2px;
  background:var(--text);
  transition:transform .25s ease,opacity .2s ease;
}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;
  top:var(--header-h);
  right:0;
  width:min(320px,86vw);
  height:calc(100vh - var(--header-h));
  background:rgba(10,14,24,.97);
  backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s ease;
  z-index:55;
  padding:24px 20px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:12px;letter-spacing:.24em;color:var(--text-3);margin-bottom:14px;}
.drawer-link{
  display:block;
  padding:13px 14px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  color:var(--text-2);
  font-size:15px;
  margin-bottom:8px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text);}
.drawer-link.is-active{
  color:var(--primary);
  background:rgba(31,224,180,.1);
  border-color:rgba(31,224,180,.3);
}
.drawer-cta{margin-top:20px;}

/* ===================== 页面头图区 ===================== */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:clamp(56px,8vw,104px) 0 clamp(44px,6vw,80px);
  background:var(--bg-1);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  opacity:.26;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(31,224,180,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,224,180,.055) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(circle at 22% 40%,#000 0%,transparent 74%);
  mask-image:radial-gradient(circle at 22% 40%,#000 0%,transparent 74%);
}
.page-hero > .container{position:relative;z-index:2;}
.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(31,224,180,.1);
  border:1px solid rgba(31,224,180,.28);
  color:var(--primary);
  font-size:12px;
  letter-spacing:.16em;
  margin-bottom:20px;
}
.hero-title{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-title span{
  background:var(--grad-primary);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:clamp(15px,1.5vw,17px);
  color:var(--text-2);
  max-width:620px;
  margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-fact{display:flex;flex-direction:column;gap:2px;}
.hero-fact b{font-family:var(--font-num);font-size:19px;color:var(--text);}
.hero-fact span{font-size:13px;color:var(--text-3);}

.hero-visual{position:relative;}
.hero-visual::before{
  content:"";
  position:absolute;
  inset:-14% -10% -14% -10%;
  background:radial-gradient(circle at 62% 38%,rgba(31,224,180,.26),transparent 62%),
             radial-gradient(circle at 22% 78%,rgba(110,91,255,.22),transparent 60%);
  filter:blur(12px);
  animation:breathe 7s ease-in-out infinite;
  pointer-events:none;
}
@keyframes breathe{0%,100%{opacity:.75;}50%{opacity:1;}}
.visual-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-float);
  transform:perspective(1200px) rotateY(-5deg) rotateX(2deg);
  transition:transform .5s ease;
}
.visual-card:hover{transform:perspective(1200px) rotateY(-2deg) rotateX(1deg) translateY(-4px);}
.visual-card img{
  width:100%;
  aspect-ratio:16 / 11;
  object-fit:cover;
  background:linear-gradient(135deg,#111726,#0A0E18);
}
.visual-card figcaption{
  padding:13px 18px;
  font-size:13px;
  color:var(--text-2);
  border-top:1px solid var(--line);
}
.corner-tag{
  position:absolute;
  top:0;right:0;
  z-index:3;
  padding:9px 20px 9px 24px;
  background:var(--grad-primary);
  color:#04140F;
  font-size:12px;
  font-weight:800;
  letter-spacing:.1em;
  border-bottom-left-radius:14px;
}

/* 子分类切换条 */
.subcat-bar{
  position:relative;
  z-index:2;
  margin-top:38px;
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:none;
}
.subcat-bar::-webkit-scrollbar{display:none;}
.subcat-chip{
  display:inline-flex;
  align-items:center;
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  font-size:14px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.subcat-chip:hover{color:var(--text);border-color:var(--line-strong);background:rgba(31,224,180,.08);}
.subcat-chip.is-on{
  color:var(--primary);
  border-color:rgba(31,224,180,.4);
  background:rgba(31,224,180,.12);
  box-shadow:inset 0 0 12px rgba(31,224,180,.16);
}

/* ===================== 粘性筛选条 ===================== */
.filter-bar{
  position:sticky;
  top:var(--header-h);
  z-index:35;
  background:rgba(8,12,20,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.filter-inner{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:60px;
  padding-top:10px;
  padding-bottom:10px;
}
.filter-chips{
  display:flex;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  flex:1;
}
.filter-chips::-webkit-scrollbar{display:none;}
.filter-label{
  font-size:13px;
  color:var(--text-3);
  flex:none;
}
.filter-sort{
  display:flex;
  align-items:center;
  gap:8px;
  flex:none;
}
.select{
  appearance:none;
  -webkit-appearance:none;
  padding:9px 38px 9px 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background-color:rgba(17,23,38,.9);
  color:var(--text);
  font-size:14px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231FE0B4' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  cursor:pointer;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.select:hover{border-color:var(--line-strong);}
.select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,180,.16);}

/* ===================== 板块标题 ===================== */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-title{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
}
.section-desc{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--primary);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
  flex:none;
}
.link-more:hover{color:var(--primary-hover);border-color:var(--primary-hover);}
.link-more::after{content:"→";font-size:13px;}

/* ===================== 栏目矩阵砖块 ===================== */
.brick-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:22px;
}
.brick{
  position:relative;
  overflow:hidden;
  padding:26px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
  display:flex;
  flex-direction:column;
  min-height:200px;
}
.brick::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  opacity:.7;
}
.brick:hover{
  border-color:rgba(31,224,180,.35);
  transform:translateY(-4px);
  box-shadow:var(--sh-float);
}
.brick-lg{grid-column:span 3;}
.brick-sm{grid-column:span 2;}
.brick-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,224,180,.12);
  border:1px solid rgba(31,224,180,.26);
  color:var(--primary);
  margin-bottom:18px;
  flex:none;
}
.brick-icon svg{width:22px;height:22px;}
.brick-title{font-size:20px;font-weight:700;margin-bottom:12px;}
.brick-list{margin-bottom:20px;flex:1;}
.brick-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  margin-bottom:8px;
}
.brick-list li::before{
  content:"";
  position:absolute;
  left:0;top:12px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--primary);
  opacity:.75;
}
.brick-media{
  margin:-26px -26px 22px;
  overflow:hidden;
}
.brick-media img{
  width:100%;
  aspect-ratio:16 / 7;
  object-fit:cover;
  transition:transform .5s ease;
}
.brick:hover .brick-media img{transform:scale(1.04);}
.brick-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  background:rgba(31,224,180,.12);
  color:var(--primary);
  border:1px solid rgba(31,224,180,.2);
}
.tag-amber{
  background:rgba(255,180,58,.14);
  color:var(--amber);
  border-color:rgba(255,180,58,.28);
}
.tag-violet{
  background:rgba(110,91,255,.16);
  color:#A79BFF;
  border-color:rgba(110,91,255,.3);
}

/* ===================== 数据信任条 ===================== */
.stats-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,23,38,.6),rgba(6,9,16,0));
}
.stats-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat{
  padding:30px 24px;
  border-right:1px solid var(--line);
  transition:background .25s ease;
}
.stat:last-child{border-right:0;}
.stat:hover{background:rgba(31,224,180,.04);}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,36px);
  font-weight:800;
  line-height:1.1;
  color:var(--text);
  display:flex;
  align-items:baseline;
  gap:4px;
}
.stat-num em{
  font-style:normal;
  font-size:15px;
  color:var(--primary);
  font-weight:600;
}
.stat-label{margin-top:8px;font-size:13px;color:var(--text-3);}

/* ===================== 更新节奏时间轴 ===================== */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  position:relative;
  padding-top:26px;
}
.timeline::before{
  content:"";
  position:absolute;
  top:33px;left:6%;right:6%;
  height:1px;
  background:linear-gradient(90deg,rgba(31,224,180,.05),rgba(31,224,180,.5),rgba(31,224,180,.05));
}
.tl-item{position:relative;padding-top:34px;}
.tl-dot{
  position:absolute;
  top:20px;left:0;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--bg-2);
  border:2px solid var(--primary);
  box-shadow:0 0 16px rgba(31,224,180,.55);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;
  font-family:var(--font-num);
  font-weight:700;
  color:var(--primary);
}
.tl-title{font-size:17px;font-weight:700;margin-bottom:8px;}
.tl-text{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ===================== 查阅建议（非对称） ===================== */
.advice-grid{
  display:grid;
  grid-template-columns:1.25fr 1fr;
  gap:22px;
}
.advice-main{
  padding:28px;
  border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.advice-main img{
  width:100%;
  aspect-ratio:16 / 8;
  object-fit:cover;
  border-radius:var(--r-md);
  margin-bottom:22px;
  background:linear-gradient(135deg,#111726,#0A0E18);
}
.advice-side{display:grid;grid-template-rows:1fr 1fr;gap:22px;}
.advice-card{
  padding:24px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(12px);
  transition:border-color .25s ease,transform .25s ease;
}
.advice-card:hover{border-color:rgba(31,224,180,.32);transform:translateY(-3px);}
.advice-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.advice-card p{font-size:14px;color:var(--text-2);line-height:1.85;}
.advice-main h3{font-size:22px;font-weight:700;margin-bottom:12px;}
.advice-main p{font-size:15px;color:var(--text-2);margin-bottom:16px;}
.check-list{margin-top:14px;}
.check-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  margin-bottom:10px;
  line-height:1.75;
}
.check-list li::before{
  content:"✓";
  color:var(--primary);
  font-size:13px;
  flex:none;
  margin-top:2px;
}

/* ===================== 分区对照表 ===================== */
.table-wrap{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  overflow-x:auto;
  box-shadow:var(--sh-card);
}
.compare-table{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:14px;
}
.compare-table th,
.compare-table td{
  padding:16px 20px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.compare-table thead th{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--text-3);
  background:rgba(17,23,38,.7);
  font-weight:600;
  white-space:nowrap;
}
.compare-table tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
.compare-table tbody tr:hover{background:rgba(31,224,180,.05);}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table td:first-child{color:var(--text);font-weight:600;white-space:nowrap;}
.compare-table td{color:var(--text-2);}
.hl-col{
  background:rgba(31,224,180,.075)!important;
  border-left:1px solid rgba(31,224,180,.22);
  border-right:1px solid rgba(31,224,180,.22);
}

/* ===================== 读者反馈引用 ===================== */
.quote-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:22px;
}
.quote-stack{display:grid;gap:22px;}
.quote-card{
  padding:26px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-card);
}
.quote-text{
  font-size:15px;
  color:var(--text);
  line-height:1.9;
  margin-bottom:16px;
}
.quote-text::before{content:"“";color:var(--primary);font-size:24px;line-height:0;margin-right:4px;}
.quote-author{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
  padding-top:14px;
  border-top:1px solid var(--line);
}
.quote-avatar{
  width:30px;height:30px;
  border-radius:50%;
  background:rgba(31,224,180,.16);
  border:1px solid rgba(31,224,180,.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  flex:none;
}
.metric-panel{
  padding:28px;
  border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(31,224,180,.09),rgba(110,91,255,.06));
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-card);
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:20px;
}
.metric-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;}
.metric-row b{font-family:var(--font-num);font-size:26px;color:var(--primary);}
.metric-row span{font-size:13px;color:var(--text-2);}

/* ===================== FAQ ===================== */
.faq-list{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  min-height:56px;
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:rgba(31,224,180,.05);color:var(--primary-hover);}
.faq-icon{
  position:relative;
  width:20px;height:20px;
  flex:none;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{top:9px;left:0;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:820px;
}
.faq-item.is-open .faq-a{max-height:320px;}

/* ===================== CTA 与表单 ===================== */
.cta-band{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
  padding:clamp(56px,7vw,88px) 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 78% 30%,rgba(31,224,180,.2),transparent 58%);
}
.cta-band > .container{position:relative;z-index:2;}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:clamp(28px,4vw,56px);
  align-items:start;
}
.cta-copy h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;margin-bottom:16px;}
.cta-copy p{font-size:15px;color:var(--text-2);margin-bottom:22px;max-width:520px;}
.form-card{
  padding:28px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(10,14,24,.72);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh-float);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:8px;
}
.input,.textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(17,23,38,.85);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.textarea{min-height:104px;resize:vertical;line-height:1.7;}
.input::placeholder,.textarea::placeholder{color:var(--text-3);}
.input:focus,.textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,180,.16);
  background:rgba(17,23,38,1);
}
.input.has-error,.textarea.has-error{
  border-color:var(--warn);
  box-shadow:0 0 0 3px rgba(255,93,108,.14);
}
.err-msg{
  display:none;
  margin-top:7px;
  font-size:12px;
  color:var(--warn);
}
.err-msg.is-show{display:block;}
.checkbox-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:20px;
  line-height:1.7;
}
.checkbox-row input{
  appearance:none;
  -webkit-appearance:none;
  width:18px;height:18px;
  border-radius:5px;
  border:1px solid var(--line-strong);
  background:rgba(17,23,38,.9);
  flex:none;
  margin-top:3px;
  position:relative;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.checkbox-row input:checked{background:var(--primary);border-color:var(--primary);}
.checkbox-row input:checked::after{
  content:"✓";
  position:absolute;
  inset:0;
  display:flex;align-items:center;justify-content:center;
  color:#04140F;
  font-size:12px;
  font-weight:800;
}
.checkbox-row input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.form-note{font-size:12px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.form-success{
  display:none;
  padding:26px;
  border-radius:var(--r-md);
  border:1px solid rgba(43,217,138,.34);
  background:rgba(43,217,138,.08);
  text-align:center;
}
.form-success.is-show{display:block;}
.form-success h3{font-size:19px;color:var(--success);margin-bottom:10px;}
.form-success p{font-size:14px;color:var(--text-2);margin-bottom:16px;}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:clamp(48px,6vw,72px) 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:38px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  color:var(--text-3);
  line-height:1.85;
  max-width:360px;
  margin-bottom:18px;
}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--text-3);}
.footer-contact b{color:var(--text-2);font-weight:600;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.06em;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{
  font-size:14px;
  color:var(--text-3);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul a:hover{color:var(--primary);padding-left:4px;}
.footer-bottom{
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.policy{display:flex;flex-wrap:wrap;gap:16px;}
.policy a{color:var(--text-3);transition:color .2s ease;}
.policy a:hover{color:var(--primary);}
.compliance{flex-basis:100%;font-size:12px;color:#5A687C;line-height:1.7;}

/* ===================== 回到顶部 & 移动底部 CTA ===================== */
.to-top{
  position:fixed;
  right:22px;
  bottom:96px;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line-strong);
  background:rgba(10,14,24,.9);
  backdrop-filter:blur(10px);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(31,224,180,.14);}
.mobile-cta{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:65;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  gap:10px;
  background:rgba(6,9,16,.94);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.mobile-cta .btn{flex:1;padding:11px 10px;font-size:14px;}

/* ===================== 响应式 ===================== */
@media (max-width:1199px){
  .brick-lg{grid-column:span 3;}
  .brick-sm{grid-column:span 3;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-brand p{max-width:560px;}
}
@media (max-width:1023px){
  :root{--header-h:64px;}
  .nav-chips,.header-actions .btn{display:none;}
  .hamburger{display:flex;}
  .hero-inner{grid-template-columns:1fr;}
  .hero-visual{max-width:620px;}
  .visual-card{transform:none;}
  .visual-card:hover{transform:translateY(-4px);}
  .advice-grid{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr 1fr;gap:28px;}
  .timeline::before{display:none;}
  .stats-inner{grid-template-columns:1fr 1fr;}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brick-lg,.brick-sm{grid-column:span 6;}
  .brick-grid{gap:16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .form-row{grid-template-columns:1fr;}
  .mobile-cta{display:flex;}
  body{padding-bottom:76px;}
  .to-top{bottom:88px;right:16px;}
  .topbar-links{display:none;}
  .hero-facts{gap:16px;}
  .hero-fact b{font-size:17px;}
  .compare-table{min-width:680px;}
}
@media (max-width:559px){
  body{font-size:15px;}
  .timeline{grid-template-columns:1fr;}
  .stats-inner{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;}
  .brick{padding:22px;min-height:auto;}
  .brick-media{margin:-22px -22px 18px;}
  .form-card{padding:20px;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 20px;}
  .quote-card,.advice-card,.advice-main{padding:20px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg-0:#060910;
  --bg-1:#0A0E18;
  --bg-2:#111726;
  --primary:#1FE0B4;
  --primary-hover:#45F0C8;
  --primary-deep:#0FA98A;
  --violet:#6E5BFF;
  --amber:#FFB43A;
  --ok:#2BD98A;
  --warn:#FF5D6C;
  --info:#4FB8FF;
  --text:#EAF2FF;
  --text-2:#9FB0C8;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(31,224,180,.32);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.035);
  --r-lg:18px;
  --r-md:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-float:0 24px 60px rgba(0,0,0,.55);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-num:Inter,Bahnschrift,"PingFang SC",system-ui,sans-serif;
  --container:1240px;
  --sec-gap:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.3;font-weight:800;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
::selection{background:rgba(31,224,180,.28);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-0);}
::-webkit-scrollbar-thumb{background:rgba(31,224,180,.24);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(31,224,180,.42);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}

/* ---------- 顶部公告 ---------- */
.topbar{
  background:rgba(10,14,24,.9);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:38px;
}
.topbar-note{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap;}
.topbar-note i{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(31,224,180,.8);flex:none;
}
.topbar-links{display:flex;align-items:center;gap:18px;flex:none;}
.topbar-links a{color:var(--text-2);transition:color .2s ease;}
.topbar-links a:hover{color:var(--primary);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,9,16,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,9,16,.94);
  box-shadow:0 12px 30px rgba(0,0,0,.5);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  display:inline-flex;align-items:center;gap:2px;
  font-size:20px;font-weight:800;letter-spacing:.02em;
  padding:6px 12px;border-radius:var(--r-btn);
  background:linear-gradient(135deg,rgba(31,224,180,.18),rgba(79,184,255,.12));
  border:1px solid var(--line-strong);
  color:var(--text);
}
.brand-mark em{font-style:normal;color:var(--primary);}
.brand-sub{
  font-size:12px;color:var(--text-3);letter-spacing:.14em;
  border-left:1px solid var(--line);padding-left:10px;
}
.nav-chips{
  display:flex;align-items:center;gap:6px;
  padding:5px;border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--line);
  overflow-x:auto;scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:none;
  padding:8px 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text-2);
  border:1px solid transparent;
  transition:all .2s ease;
  white-space:nowrap;
}
.chip:hover{color:var(--text);background:rgba(255,255,255,.06);}
.chip.is-active{
  color:var(--primary);
  border-color:var(--line-strong);
  background:rgba(31,224,180,.1);
  box-shadow:inset 0 0 14px rgba(31,224,180,.16);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.hamburger{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--glass);
  align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(6,9,16,.98);
  padding:16px 24px 24px;
}
.drawer.is-open{display:block;}
.drawer a.drawer-link{
  display:block;padding:14px 4px;font-size:15px;
  border-bottom:1px solid var(--line);color:var(--text-2);
}
.drawer a.drawer-link.is-active{color:var(--primary);}
.drawer .btn{width:100%;margin-top:18px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#1FE0B4,#4FB8FF);
  color:#04140F;
  box-shadow:0 8px 24px rgba(31,224,180,.28),inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  filter:brightness(1.06);
  box-shadow:0 14px 34px rgba(31,224,180,.42),inset 0 0 0 1px rgba(255,255,255,.34);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(31,224,180,.3);}
.btn-ghost{
  background:var(--glass);
  color:var(--primary);
  border-color:var(--line-strong);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(31,224,180,.1);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:76px 0 68px;
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.3;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 78% 12%,rgba(31,224,180,.22),transparent 62%),
    radial-gradient(700px 420px at 12% 90%,rgba(110,91,255,.18),transparent 66%),
    linear-gradient(180deg,rgba(6,9,16,.55),rgba(6,9,16,.96));
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:6fr 5fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.08em;color:var(--primary);
  background:rgba(31,224,180,.1);
  border:1px solid var(--line-strong);
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
h1{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
h1 .hl{
  background:linear-gradient(135deg,#1FE0B4,#4FB8FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-points{
  display:flex;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--text-2);
}
.hero-points span{
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--glass-2);border:1px solid var(--line);
}
.hero-visual{position:relative;}
.visual-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-float);
  transform:perspective(1200px) rotateY(-6deg) rotateX(3deg);
}
.visual-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,16,0) 45%,rgba(6,9,16,.72));
  pointer-events:none;
}
.visual-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#0d1220;}
.visual-caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:3;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-2);
}
.corner-tag{
  position:absolute;top:0;right:0;z-index:4;
  padding:6px 16px 6px 18px;
  background:rgba(255,180,58,.16);
  border-left:1px solid rgba(255,180,58,.5);
  border-bottom:1px solid rgba(255,180,58,.5);
  border-bottom-left-radius:12px;
  color:var(--amber);font-size:12px;letter-spacing:.06em;
}

/* ---------- 指标条 ---------- */
.metric-strip{
  background:var(--bg-0);
  border-bottom:1px solid var(--line);
  padding:34px 0;
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.metric{
  padding:6px 26px;
  border-left:1px solid var(--line);
  opacity:0;transform:translateY(12px);
  transition:opacity .6s ease,transform .6s ease;
}
.metric:first-child{border-left:0;padding-left:0;}
.metric.is-in{opacity:1;transform:none;}
.metric b{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(24px,2.6vw,34px);
  font-weight:800;
  color:var(--primary);
  letter-spacing:-.01em;
  line-height:1.2;
}
.metric span{font-size:13px;color:var(--text-3);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-gap) 0;}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  margin-bottom:14px;
}
.section-head p{color:var(--text-2);margin:0;}
.tag-line{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--primary);
  margin-bottom:14px;
}

/* ---------- 权益矩阵 ---------- */
.matrix-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:24px;
}
.matrix-card{
  position:relative;
  display:flex;flex-direction:column;
  padding:28px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  overflow:hidden;
}
.matrix-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.28),transparent 70%);
}
.matrix-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--sh-float);
}
.matrix-card.big{grid-column:span 3;padding:32px;}
.matrix-card.small{grid-column:span 2;}
.matrix-icon{
  width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,224,180,.1);
  border:1px solid var(--line-strong);
  margin-bottom:18px;
}
.matrix-card.violet .matrix-icon{background:rgba(110,91,255,.14);border-color:rgba(110,91,255,.34);}
.matrix-card.amber .matrix-icon{background:rgba(255,180,58,.14);border-color:rgba(255,180,58,.36);}
.matrix-icon svg{width:22px;height:22px;stroke:var(--primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.matrix-card.violet .matrix-icon svg{stroke:#9C8DFF;}
.matrix-card.amber .matrix-icon svg{stroke:var(--amber);}
.matrix-card h3{font-size:20px;margin-bottom:8px;}
.matrix-card p{color:var(--text-2);font-size:14px;margin-bottom:16px;}
.matrix-list{margin:0 0 20px;}
.matrix-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;color:var(--text-2);
  margin-bottom:10px;
}
.matrix-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 8px rgba(31,224,180,.7);
}
.matrix-card.violet .matrix-list li::before{background:#9C8DFF;box-shadow:0 0 8px rgba(110,91,255,.7);}
.matrix-card.amber .matrix-list li::before{background:var(--amber);box-shadow:0 0 8px rgba(255,180,58,.7);}
.matrix-link{
  margin-top:auto;
  font-size:14px;font-weight:700;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
}
.matrix-link::after{content:"→";transition:transform .2s ease;}
.matrix-link:hover::after{transform:translateX(4px);}

/* ---------- 对比卡 ---------- */
.compare-scroll{overflow-x:auto;padding-bottom:8px;}
.compare-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  min-width:900px;
}
.plan{
  position:relative;
  display:flex;flex-direction:column;
  padding:28px;
  border-radius:var(--r-lg);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  transition:transform .25s ease,border-color .25s ease;
}
.plan:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);}
.plan.is-featured{
  background:linear-gradient(180deg,rgba(31,224,180,.09),rgba(17,23,38,.9));
  border-color:var(--line-strong);
  transform:translateY(-10px);
  box-shadow:0 26px 60px rgba(31,224,180,.16);
}
.plan.is-featured:hover{transform:translateY(-14px);}
.plan-badge{
  position:absolute;top:-13px;left:28px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(255,180,58,.16);
  border:1px solid rgba(255,180,58,.5);
  color:var(--amber);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.plan h3{font-size:22px;margin-bottom:6px;}
.plan-desc{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.plan-list{border-top:1px solid var(--line);padding-top:18px;margin-bottom:22px;}
.plan-list li{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:11px 0;
  border-bottom:1px dashed rgba(255,255,255,.06);
  font-size:14px;
}
.plan-list li span{color:var(--text-3);flex:none;}
.plan-list li b{color:var(--text);font-weight:700;text-align:right;}
.plan-list li b.money{
  font-family:var(--font-num);
  color:var(--amber);
  font-size:16px;
}
.plan-list li b.muted{color:var(--text-2);font-weight:500;}
.plan .btn{width:100%;margin-top:auto;}
.plan-note{
  margin-top:14px;font-size:12px;color:var(--text-3);text-align:center;
}

/* ---------- 时间轴 ---------- */
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
  padding-top:26px;
}
.timeline::before{
  content:"";position:absolute;top:36px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,rgba(31,224,180,.1),rgba(31,224,180,.55),rgba(31,224,180,.1));
}
.tl-item{position:relative;padding-top:56px;}
.tl-dot{
  position:absolute;top:26px;left:0;
  width:20px;height:20px;border-radius:50%;
  background:var(--bg-0);
  border:2px solid var(--primary);
  box-shadow:0 0 16px rgba(31,224,180,.55);
}
.tl-dot::after{
  content:"";position:absolute;inset:5px;border-radius:50%;
  background:linear-gradient(135deg,#1FE0B4,#4FB8FF);
}
.tl-step{
  font-family:var(--font-num);
  font-size:13px;color:var(--primary);letter-spacing:.1em;
}
.tl-item h3{font-size:17px;margin:6px 0 8px;}
.tl-item p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--glass);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item.is-open{border-color:var(--line-strong);background:rgba(31,224,180,.06);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  font-size:16px;font-weight:700;text-align:left;
}
.faq-q i{
  flex:none;position:relative;width:16px;height:16px;
  transition:transform .2s ease;
}
.faq-q i::before,.faq-q i::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-q i::before{top:7px;left:0;width:16px;height:2px;}
.faq-q i::after{top:0;left:7px;width:2px;height:16px;transition:transform .2s ease;}
.faq-item.is-open .faq-q i::after{transform:scaleY(0);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a p{
  padding:0 22px 20px;
  margin:0;
  font-size:15px;line-height:1.85;color:var(--text-2);
}

/* ---------- 表单 ---------- */
.consult-grid{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:48px;
  align-items:start;
  padding:40px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
}
.consult-copy h2{font-size:clamp(22px,2.6vw,30px);}
.consult-copy p{color:var(--text-2);}
.consult-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-2);margin-bottom:12px;
}
.consult-points li::before{
  content:"✓";color:var(--primary);font-weight:700;flex:none;
}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;
}
.form-row input,.form-row select,.form-row textarea{
  width:100%;
  padding:13px 14px;
  border-radius:10px;
  background:rgba(6,9,16,.72);
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,180,.16);
}
.form-row textarea{min-height:104px;resize:vertical;}
.form-row.has-error input,.form-row.has-error select{border-color:var(--warn);}
.form-hint{display:none;font-size:12px;color:var(--warn);margin-top:6px;}
.form-row.has-error .form-hint{display:block;}
.form-agree{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.form-agree input{width:16px;height:16px;margin-top:3px;accent-color:var(--primary);}
.form-success{
  display:none;
  padding:32px;
  border-radius:var(--r-md);
  background:rgba(43,217,138,.08);
  border:1px solid rgba(43,217,138,.36);
  text-align:center;
}
.form-success h3{color:var(--ok);font-size:20px;}
.form-success p{color:var(--text-2);margin:0 0 18px;}
.form-success.is-show{display:block;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  padding:48px;
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(31,224,180,.14),rgba(110,91,255,.12)),var(--bg-2);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:38px 38px;
  opacity:.5;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 30px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{
  color:var(--text-3);font-size:14px;margin:18px 0 20px;max-width:360px;
}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--text-3);}
.footer-contact b{color:var(--text-2);font-weight:600;}
.footer-col h4{
  font-size:14px;color:var(--text);margin-bottom:18px;letter-spacing:.04em;
}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:var(--text-3);transition:color .2s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;padding-top:24px;font-size:13px;color:var(--text-3);
}
.footer-bottom .policy{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .policy a{color:var(--text-3);}
.footer-bottom .policy a:hover{color:var(--primary);}
.compliance{font-size:12px;color:#5A687C;flex-basis:100%;}

/* ---------- 浮动元素 ---------- */
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(17,23,38,.92);
  border:1px solid var(--line-strong);
  color:var(--primary);
  box-shadow:var(--sh-float);
  opacity:0;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.back-top.is-show{opacity:1;pointer-events:auto;}
.back-top:hover{transform:translateY(-3px);}
.mobile-cta{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-gap:80px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .visual-card{transform:none;}
  .consult-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .nav-chips{display:none;}
  .nav-actions .btn{display:none;}
  .hamburger{display:flex;}
  .matrix-card.big{grid-column:span 6;}
  .matrix-card.small{grid-column:span 3;}
  .timeline{grid-template-columns:1fr 1fr;padding-top:10px;}
  .timeline::before{display:none;}
  .tl-item{padding-top:40px;}
  .tl-dot{top:12px;}
}
@media (max-width:767px){
  :root{--sec-gap:64px;}
  .container{padding:0 16px;}
  .topbar-note{font-size:12px;}
  .topbar-links span{display:none;}
  .page-hero{padding:52px 0 48px;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:22px 0;}
  .metric{padding:6px 18px;}
  .metric:nth-child(3){border-left:0;padding-left:0;}
  .matrix-card.small{grid-column:span 6;}
  .matrix-card{padding:22px;}
  .compare-grid{min-width:760px;}
  .timeline{grid-template-columns:1fr;}
  .tl-item{padding-top:34px;padding-left:0;}
  .cta-band{padding:32px 24px;}
  .consult-grid{padding:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-cta{
    display:flex;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:75;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    background:rgba(6,9,16,.95);
    border-top:1px solid var(--line);
    backdrop-filter:blur(14px);
  }
  .mobile-cta .btn{flex:1;padding:12px 10px;font-size:14px;}
  .back-top{bottom:88px;right:16px;}
  body{padding-bottom:74px;}
}
@media (max-width:559px){
  h1{font-size:28px;}
  .brand-sub{display:none;}
  .hero-cta .btn{width:100%;}
  .metric-grid{grid-template-columns:1fr;}
  .metric{border-left:0;padding-left:0;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}