/* roulang page: index */
:root{
  --bg-0:#05080F;--bg-1:#0A1020;--bg-2:#0F1729;
  --c-primary:#1FE0B8;--c-primary-2:#35C3FF;
  --c-accent:#FF7A3D;--c-warn:#FF5A5A;--c-ok:#4ADE80;
  --text-1:#E9EFF8;--text-2:#A7B6CB;--text-3:#6E7C93;
  --line:rgba(255,255,255,.10);--line-strong:rgba(255,255,255,.18);
  --glass-bg:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  --glass-blur:blur(14px) saturate(140%);
  --r-card:16px;--r-glass:18px;--r-img:14px;--r-input:12px;--r-badge:8px;
  --sh-1:0 10px 30px -12px rgba(0,0,0,.6);
  --sh-2:0 18px 48px -16px rgba(0,0,0,.75);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text-1);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px}
::selection{background:rgba(31,224,184,.3);color:#fff}

/* ---------- 背景层 ---------- */
.bg-layer{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 620px at 6% 2%, rgba(31,224,184,.14), transparent 62%),
    radial-gradient(820px 580px at 94% 90%, rgba(53,195,255,.11), transparent 64%),
    linear-gradient(180deg,#05080F 0%,#070C17 52%,#05080F 100%);
}
.bg-layer::after{
  content:"";position:absolute;inset:0;opacity:.55;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(1100px 700px at 50% 12%,#000 10%,transparent 82%);
  mask-image:radial-gradient(1100px 700px at 50% 12%,#000 10%,transparent 82%);
}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-hero{max-width:1320px}
.section{padding:88px 0;position:relative}
section[id]{scroll-margin-top:112px}

/* ---------- 玻璃卡 ---------- */
.glass{
  background-color:#121A2E;background-image:var(--glass-bg);
  border:1px solid var(--line);border-radius:var(--r-glass);
  box-shadow:var(--sh-1);
  position:relative;
}
@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .glass{
    background-color:rgba(18,26,46,.55);
    -webkit-backdrop-filter:var(--glass-blur);
    backdrop-filter:var(--glass-blur);
  }
}
.glass::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
  pointer-events:none;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out,filter .2s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,#1FE0B8 0%,#35C3FF 100%);
  color:#04121A;box-shadow:0 0 24px -2px rgba(31,224,184,.55);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 34px 0 rgba(31,224,184,.6),var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background-image:var(--glass-bg);background-color:rgba(18,26,46,.5);
  border-color:var(--line-strong);color:var(--text-1);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.btn-ghost:hover{border-color:rgba(31,224,184,.6);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-loading{opacity:.62;cursor:not-allowed;transform:none!important;filter:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;letter-spacing:.06em;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--c-primary);white-space:nowrap;
}
.badge-accent{background:rgba(255,122,61,.16);border-color:rgba(255,122,61,.42);color:#FFB08A}
.badge-accent-solid{background:linear-gradient(135deg,#FF9A5C,#FF7A3D);border:0;color:#2A1004;font-weight:700}
.badge-live{background:rgba(31,224,184,.14);border-color:rgba(31,224,184,.4);color:#6CF0D2}
.badge-muted{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text-3)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--c-primary);
  background:rgba(31,224,184,.09);border:1px solid rgba(31,224,184,.26);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}

/* ---------- 通用标题 ---------- */
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(22px,2.4vw,32px);font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
.section-head p{font-size:15px;color:var(--text-2);line-height:1.8}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--c-primary);white-space:nowrap;padding-bottom:4px;
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
  transition:background-size .25s ease-out;
}
.link-more:hover{background-size:100% 1px}

/* ---------- 导航 ---------- */
.site-nav{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 18px;display:flex;justify-content:center}
.nav-inner{
  width:100%;max-width:1320px;height:64px;padding:0 14px 0 20px;
  display:flex;align-items:center;gap:20px;border-radius:999px;
  background:rgba(10,16,32,.72);border:1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  transition:height .25s ease-out,background .25s ease-out,box-shadow .25s ease-out;
}
.site-nav.is-scrolled .nav-inner{
  height:56px;background:rgba(10,16,32,.9);
  box-shadow:0 16px 42px -20px rgba(0,0,0,.95);
}
.nav-logo{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap}
.nav-logo svg{flex:0 0 28px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:999px;font-size:14px;color:var(--text-2);
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-menu a:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.nav-menu a.is-active{color:var(--c-primary)}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-primary);
  box-shadow:0 0 10px 1px rgba(31,224,184,.7);
}
.nav-cta{margin-left:8px;height:42px;min-height:42px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:50%;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;
  transition:transform .25s ease-out;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{
  display:none;flex-direction:column;gap:6px;
  position:fixed;top:92px;left:18px;right:18px;z-index:79;
  padding:16px;border-radius:22px;
  background:rgba(10,16,32,.96);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--sh-2);
}
.nav-drawer.is-open{display:flex}
.nav-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:14px;
  font-size:15px;color:var(--text-2);
}
.nav-drawer a.is-active{color:var(--c-primary);background:rgba(31,224,184,.08)}
.nav-drawer .btn{margin-top:8px}

@media (max-width:991px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-inner{padding-right:8px}
}
@media (max-width:520px){
  .nav-logo{font-size:13px;gap:8px}
  .nav-logo svg{flex:0 0 24px;width:24px;height:24px}
  .nav-inner{height:58px;padding-left:14px}
}

/* ---------- Hero ---------- */
.hero{padding:172px 0 76px;position:relative}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;
  letter-spacing:-.02em;margin-bottom:18px;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(135deg,#1FE0B8 10%,#35C3FF 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;line-height:1.75;color:var(--text-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.stat-row{display:flex;flex-wrap:wrap;gap:0;margin-top:44px}
.stat-row li{display:flex;flex-direction:column;gap:2px;padding:0 30px;border-right:1px solid var(--line)}
.stat-row li:first-child{padding-left:0}
.stat-row li:last-child{border-right:0}
.stat-row strong{font-family:var(--font-num);font-size:30px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2}
.stat-row span{font-size:13px;color:var(--text-3)}
.hero-aside{margin-top:0}

.next-card{overflow:hidden;padding:0}
.next-card__bg{
  position:absolute;inset:0;background-size:cover;background-position:center 20%;
  opacity:.42;filter:saturate(115%);
}
.next-card__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.32) 0%,rgba(5,8,15,.88) 62%,rgba(5,8,15,.97) 100%);
}
.next-card__body{position:relative;padding:26px 24px 28px;display:flex;flex-direction:column;gap:14px}
.next-card h2{font-size:22px;font-weight:700;letter-spacing:-.01em}
.next-card__meta{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums}
.countdown{display:flex;gap:10px;margin-top:2px}
.countdown__item{
  flex:1 1 0;text-align:center;padding:10px 6px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.countdown__item strong{
  display:block;font-family:var(--font-num);font-size:24px;font-weight:700;
  color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.01em;line-height:1.25;
}
.countdown__item span{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.next-card__note{font-size:13px;color:var(--text-3);line-height:1.7}

@media (max-width:1023px){
  .hero{padding:146px 0 56px}
  .hero-aside{margin-top:34px}
}
@media (max-width:575px){
  .hero{padding:126px 0 44px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .stat-row{margin-top:34px}
  .stat-row li{padding:0 18px}
  .stat-row li:first-child{padding-left:0}
  .stat-row strong{font-size:24px}
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:36px;max-width:960px}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(31,224,184,.9) 0%,rgba(31,224,184,.28) 46%,rgba(31,224,184,.03) 100%);
}
.timeline__item{position:relative;margin-bottom:20px}
.timeline__item:last-child{margin-bottom:0}
.timeline__dot{
  position:absolute;left:-36px;top:26px;width:16px;height:16px;border-radius:50%;
  background:var(--c-primary);
  box-shadow:0 0 0 4px rgba(31,224,184,.14),0 0 18px 2px rgba(31,224,184,.6);
}
.timeline__card{padding:20px 24px 22px;display:flex;flex-direction:column;gap:8px;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out}
.timeline__card:hover{transform:translateY(-4px);border-color:rgba(31,224,184,.4);box-shadow:var(--sh-2),0 0 0 1px rgba(31,224,184,.25)}
.timeline__time{font-family:var(--font-num);font-size:13px;letter-spacing:.06em;color:var(--c-primary);font-variant-numeric:tabular-nums}
.timeline__card h3{font-size:18px;font-weight:600}
.timeline__card p{font-size:14px;line-height:1.7;color:var(--text-2)}
.timeline__card .badge{align-self:flex-start;margin-top:4px}
.timeline__card--soon{border-color:rgba(255,122,61,.34)}
.timeline__card--soon .timeline__time{color:var(--c-accent)}
.timeline__card--done .timeline__dot{background:var(--text-3);box-shadow:0 0 0 4px rgba(255,255,255,.06)}
.timeline__card--done .timeline__time{color:var(--text-3)}

@media (max-width:767px){
  .timeline{padding-left:26px}
  .timeline::before{left:5px}
  .timeline__dot{left:-26px;width:12px;height:12px;top:24px}
  .timeline__card{padding:18px 18px 20px}
}

/* ---------- 横向滚动 ---------- */
.scroll-row{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 26px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  scrollbar-width:thin;scrollbar-color:rgba(31,224,184,.5) transparent;
}
.scroll-row::-webkit-scrollbar{height:6px}
.scroll-row::-webkit-scrollbar-thumb{background:rgba(31,224,184,.45);border-radius:999px}
.scroll-row::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px}
.scroll-card{flex:0 0 300px;scroll-snap-align:start;overflow:hidden;padding:0;transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out}
.scroll-card:hover{transform:translateY(-4px);border-color:rgba(31,224,184,.4);box-shadow:var(--sh-2),0 0 0 1px rgba(31,224,184,.25)}
.scroll-card__media{position:relative;aspect-ratio:4/3;overflow:hidden}
.scroll-card__media img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .3s ease-out}
.scroll-card:hover .scroll-card__media img{transform:scale(1.04)}
.scroll-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 40%,rgba(5,8,15,.7) 100%)}
.scroll-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px}
.scroll-card__body h3{font-size:17px;font-weight:600}
.scroll-card__body p{font-size:14px;line-height:1.7;color:var(--text-2)}
@media (max-width:575px){
  .scroll-card{flex:0 0 82%}
}

/* ---------- 票种 ---------- */
.ticket-row{display:flex;gap:22px;align-items:flex-start}
.ticket{
  flex:1 1 0;padding:28px 24px 26px;display:flex;flex-direction:column;gap:16px;
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.ticket:hover{transform:translateY(-4px);border-color:rgba(31,224,184,.4);box-shadow:var(--sh-2)}
.ticket--featured{
  flex:1.28 1 0;transform:translateY(-12px);
  border-color:rgba(31,224,184,.42);
  box-shadow:0 0 0 1px rgba(31,224,184,.22),var(--sh-2);
}
.ticket--featured:hover{transform:translateY(-16px)}
.ticket__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.ticket__top h3{font-size:19px;font-weight:700}
.ticket__price{
  font-family:var(--font-num);font-size:36px;font-weight:700;color:var(--c-accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.15;
}
.ticket__price small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px;letter-spacing:.02em}
.ticket__desc{font-size:14px;color:var(--text-2);line-height:1.7}
.ticket__list{display:flex;flex-direction:column;gap:11px;margin-top:2px}
.ticket__list li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:var(--text-2)}
.ticket__list li::before{
  content:"";flex:0 0 16px;width:16px;height:16px;margin-top:5px;border-radius:50%;
  background:rgba(31,224,184,.14);
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.6 8.3l2.7 2.7 6-6' fill='none' stroke='%231FE0B8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size:12px 12px;background-position:center;background-repeat:no-repeat;
}
.ticket .btn{margin-top:auto}
@media (max-width:991px){
  .ticket-row{flex-direction:column}
  .ticket,.ticket--featured{flex:1 1 auto;width:100%;transform:none}
  .ticket--featured{order:-1}
  .ticket--featured:hover,.ticket:hover{transform:translateY(-4px)}
}

/* ---------- 报名 ---------- */
.signup{position:relative}
.signup::before{
  content:"";position:absolute;left:50%;top:8%;transform:translateX(-50%);
  width:min(900px,110%);height:520px;pointer-events:none;z-index:0;
  background:radial-gradient(closest-side,rgba(31,224,184,.16),transparent 72%);
}
.signup .container{position:relative;z-index:1}
.notice-list{display:flex;flex-direction:column;gap:16px}
.notice-list li{display:flex;gap:14px;align-items:flex-start}
.notice-list i{
  flex:0 0 28px;height:28px;border-radius:9px;font-style:normal;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:700;
  color:var(--c-primary);background:rgba(31,224,184,.12);border:1px solid rgba(31,224,184,.28);
  font-variant-numeric:tabular-nums;
}
.notice-list strong{display:block;font-size:15px;font-weight:600;margin-bottom:2px}
.notice-list p{font-size:14px;line-height:1.7;color:var(--text-2)}

.form-card{padding:32px 30px 30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.field{margin-bottom:18px;display:flex;flex-direction:column}
.field--full{grid-column:1/-1}
.field label{font-size:13px;color:var(--text-2);margin-bottom:8px;letter-spacing:.02em}
.field label .req{color:var(--c-accent);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 16px;border-radius:var(--r-input);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-1);
  font-size:15px;line-height:1.5;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.field textarea{min-height:110px;resize:vertical;padding-top:14px}
.field select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6.5l4 4 4-4' fill='none' stroke='%23A7B6CB' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px 16px;
  padding-right:42px;
}
.field option{background:#0F1729;color:var(--text-1)}
.field input::placeholder,.field textarea::placeholder{color:#5C6A80}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(31,224,184,.72);background:rgba(31,224,184,.05);
  box-shadow:0 0 0 3px rgba(31,224,184,.14);
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:rgba(255,90,90,.75);box-shadow:0 0 0 3px rgba(255,90,90,.12)}
.field__hint{font-size:13px;color:var(--text-3);margin-top:6px}
.field.is-error .field__hint{color:#FF8C8C}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:4px 0 20px}
.check-row input{width:18px;height:18px;min-height:18px;margin-top:4px;accent-color:#1FE0B8;flex:0 0 18px}
.check-row label{font-size:13px;color:var(--text-2);line-height:1.7;margin:0}
.check-row a{color:var(--c-primary);border-bottom:1px solid rgba(31,224,184,.4)}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px;line-height:1.7}
.form-status{
  display:none;margin-top:16px;padding:12px 16px;border-radius:12px;font-size:14px;
  background:rgba(31,224,184,.1);border:1px solid rgba(31,224,184,.36);color:#8CF1DD;
}
.form-status.is-visible{display:block}
@media (max-width:767px){
  .form-card{padding:24px 20px 22px}
  .form-grid{grid-template-columns:1fr}
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;padding:0;
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(31,224,184,.4);box-shadow:var(--sh-2),0 0 0 1px rgba(31,224,184,.25)}
.news-card__media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#0F1729}
.news-card__media img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .3s ease-out}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 42%,rgba(5,8,15,.72) 100%)}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.news-card__body h3{font-size:17px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__body h3 a{transition:color .2s ease-out}
.news-card__body h3 a:hover{color:var(--c-primary)}
.news-card__excerpt{font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.news-card__meta span{display:inline-flex;align-items:center;gap:6px}
.news-card__meta span + span::before{content:"";width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.news-card--feature{grid-column:1/-1;flex-direction:row}
.news-card--feature .news-card__media{flex:0 0 380px;aspect-ratio:auto;align-self:stretch}
.news-card--feature .news-card__body{padding:30px 32px;justify-content:center;gap:14px}
.news-card--feature .news-card__body h3{font-size:22px;-webkit-line-clamp:2}
.news-card--feature .news-card__excerpt{-webkit-line-clamp:3}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:52px 24px;text-align:center;border-radius:var(--r-glass);
  border:1px dashed rgba(255,255,255,.2);background:rgba(255,255,255,.02);
}
.empty-state svg{opacity:.7}
.empty-state p{font-size:14px;color:var(--text-2)}
@media (max-width:991px){
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-card--feature{flex-direction:column}
  .news-card--feature .news-card__media{flex:none;aspect-ratio:16/9}
  .news-card--feature .news-card__body{padding:20px 22px 22px}
  .news-card--feature .news-card__body h3{font-size:18px}
}
@media (max-width:575px){
  .news-grid{grid-template-columns:1fr}
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{overflow:hidden;padding:0;transition:border-color .22s ease-out}
.faq-item.is-open{border-color:rgba(31,224,184,.36)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text-1);line-height:1.6;
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .25s ease-out,opacity .25s ease-out;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA 条 ---------- */
.cta-band{padding-top:0}
.cta-band__inner{
  padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  background:linear-gradient(135deg,rgba(31,224,184,.14),rgba(53,195,255,.07));
  border:1px solid rgba(31,224,184,.28);
}
.cta-band__inner h2{font-size:clamp(20px,2.2vw,28px);margin-bottom:10px}
.cta-band__inner p{font-size:15px;color:var(--text-2);max-width:620px;line-height:1.75}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
@media (max-width:767px){
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 100%}
}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:24px;border-top:1px solid rgba(255,255,255,.08);padding-top:64px;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.3fr;gap:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px}
.footer-brand svg{flex:0 0 26px}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-2);max-width:340px}
.footer-col h3{font-size:13px;letter-spacing:.1em;color:var(--text-3);font-weight:600;margin-bottom:18px;text-transform:uppercase}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease-out,transform .2s ease-out;display:inline-block}
.footer-links a:hover{color:var(--c-primary);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--text-2)}
.footer-contact .times{font-family:var(--font-num);color:var(--text-1);font-variant-numeric:tabular-nums}
.footer-bottom{
  margin-top:52px;padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--c-primary)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand-col{grid-column:1/-1}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .hero-actions .btn{min-height:48px}
}
@media (max-width:480px){
  .section{padding:48px 0}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;--bg-1:#0A1020;--bg-2:#0F1729;
  --c-primary:#1FE0B8;--c-primary-2:#35C3FF;--c-accent:#FF7A3D;
  --c-warn:#FF5A5A;--c-ok:#4ADE80;
  --text-1:#E9EFF8;--text-2:#A7B6CB;--text-3:#6E7C93;
  --line:rgba(255,255,255,.10);
  --glass-bg:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  --glass-blur:blur(14px) saturate(140%);
  --r-card:16px;--r-glass:18px;--r-img:14px;--r-input:12px;--r-badge:8px;
  --sh-card:0 10px 30px -12px rgba(0,0,0,.6);
  --sh-card-h:0 18px 48px -16px rgba(0,0,0,.75);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow","Inter",system-ui,"PingFang SC",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;
  color:var(--text-1);
  background:var(--bg-0);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 620px at 6% -8%,rgba(31,224,184,.14),transparent 62%),
    radial-gradient(820px 560px at 98% 106%,rgba(53,195,255,.11),transparent 60%),
    linear-gradient(180deg,#05080F 0%,#0A1020 52%,#05080F 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.04;
  background-image:
    linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:48px 48px;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1320px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:clamp(22px,2.4vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--c-primary);background:rgba(31,224,184,.10);border:1px solid rgba(31,224,184,.24);border-radius:var(--r-badge);padding:4px 10px;margin-bottom:14px}
.is-hidden{display:none !important}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ------- 导航 ------- */
.site-nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));
  z-index:80;
  border-radius:999px;
  background:rgba(10,16,32,.72);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 12px 34px -20px rgba(0,0,0,.9);
  transition:top .28s ease,background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-nav.is-scrolled{
  top:8px;
  background:rgba(8,13,26,.92);
  border-color:rgba(255,255,255,.08);
  box-shadow:0 20px 48px -22px rgba(0,0,0,.95);
}
.nav-inner{display:flex;align-items:center;gap:16px;padding:10px 12px 10px 20px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.nav-logo svg{flex:0 0 auto}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:999px;font-size:14px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a.is-active{color:var(--c-primary);background:rgba(31,224,184,.10)}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--c-primary);
  box-shadow:0 0 10px rgba(31,224,184,.9);
}
.nav-cta{margin-left:6px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:999px;margin-left:auto;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.nav-toggle span{position:relative;display:block;width:16px;height:2px;border-radius:2px;background:var(--text-1)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--text-1);
  transition:transform .22s ease,top .22s ease;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.site-nav.is-open .nav-toggle span{background:transparent}
.site-nav.is-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-nav.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,filter .2s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),#48EDD0);
  color:#04231D;
  box-shadow:0 0 24px -2px rgba(31,224,184,.55);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 30px 0 rgba(31,224,184,.65)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  color:var(--c-primary);
  border:1px solid rgba(31,224,184,.35);
}
.btn-ghost:hover{border-color:rgba(31,224,184,.7);color:#7CF3DA;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:14px;font-weight:600;
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;
  transition:background-size .25s ease;
}
.link-more:hover{background-size:100% 1px}

/* ------- 通用件 ------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;letter-spacing:.06em;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  border:1px solid var(--line);color:var(--text-2);
}
.badge-primary{color:var(--c-primary);border-color:rgba(31,224,184,.3);background:rgba(31,224,184,.10)}
.badge-ok{color:var(--c-ok);border-color:rgba(74,222,128,.3);background:rgba(74,222,128,.10)}
.badge-soon{color:var(--c-accent);border-color:rgba(255,122,61,.32);background:rgba(255,122,61,.10)}
.badge-off{color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;font-size:12px;
  border-radius:var(--r-badge);color:var(--text-2);background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.glass-card{
  position:relative;
  background:var(--glass-bg);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  border:1px solid var(--line);
  border-radius:var(--r-glass);
  box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.glass-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;border-radius:inherit;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .glass-card{background:#121A2E}
  .site-nav{background:rgba(9,14,28,.96)}
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .cur{color:var(--c-primary)}

/* ------- 页头 ------- */
.page-hero{position:relative;padding:150px 0 64px;overflow:hidden}
.page-hero .hero-bg{
  position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(180deg,rgba(5,8,15,.72),rgba(5,8,15,.94)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center 30%;
  opacity:.85;
}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 420px at 18% 12%,rgba(31,224,184,.16),transparent 68%);
}
.hero-panel{
  padding:36px 32px;
  border-radius:var(--r-glass);
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--sh-card);
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin-top:10px;
}
.page-hero .hero-sub{margin-top:14px;font-size:16px;color:var(--text-2);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;padding-top:26px;border-top:1px solid rgba(255,255,255,.08)}
.hero-facts .fact .v{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--c-primary);line-height:1.2}
.hero-facts .fact .k{font-size:13px;color:var(--text-3);margin-top:2px}

/* ------- 筛选条 ------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:14px;border-radius:999px;
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.chip{
  display:inline-flex;align-items:center;min-height:40px;padding:0 18px;border-radius:999px;
  font-size:14px;color:var(--text-2);border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{color:#fff;border-color:rgba(255,255,255,.24);transform:translateY(-1px)}
.chip.is-active{
  color:#04231D;border-color:transparent;
  background:linear-gradient(135deg,var(--c-primary),#48EDD0);
  box-shadow:0 0 20px -4px rgba(31,224,184,.6);
}
.filter-hint{margin-left:auto;font-size:13px;color:var(--text-3);padding-right:8px}

/* ------- 时间线 ------- */
.timeline{position:relative;margin-top:40px}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(31,224,184,.9),rgba(31,224,184,.12) 70%,transparent);
}
.tl-item{position:relative;padding-left:52px;margin-bottom:28px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  position:absolute;left:2px;top:28px;width:20px;height:20px;border-radius:50%;
  background:radial-gradient(circle at 34% 32%,#ffffff,var(--c-primary) 46%,rgba(31,224,184,.25));
  box-shadow:0 0 0 4px rgba(31,224,184,.10),0 0 18px rgba(31,224,184,.55);
}
.tl-card{padding:22px 24px;border-radius:var(--r-card)}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h),0 0 0 1px rgba(31,224,184,.25);border-color:rgba(31,224,184,.35)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between}
.tl-time{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;letter-spacing:.04em;color:var(--c-primary);
}
.tl-card h3{margin-top:12px;font-size:20px;font-weight:600;line-height:1.4}
.tl-card p{margin-top:8px;font-size:14px;color:var(--text-2)}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}
.tl-foot .meta{margin-left:auto;font-size:13px;color:var(--text-3);font-family:var(--font-num)}

/* ------- 空态 ------- */
.empty-state{
  margin-top:32px;padding:38px 24px;text-align:center;
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-glass);
  background:rgba(255,255,255,.02);
}
.empty-state p{color:var(--text-2);font-size:14px;margin-bottom:16px}

/* ------- 报名区 ------- */
.section-signup{position:relative}
.section-signup::before{
  content:"";position:absolute;left:50%;top:12%;transform:translateX(-50%);
  width:900px;height:520px;max-width:120vw;pointer-events:none;
  background:radial-gradient(closest-side,rgba(31,224,184,.16),transparent 72%);
}
.signup-grid{position:relative;z-index:1}
.note-list{display:flex;flex-direction:column;gap:18px;margin-top:22px}
.note-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2)}
.note-list li .mk{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;margin-top:3px;
  border:1px solid rgba(31,224,184,.5);display:flex;align-items:center;justify-content:center;
}
.note-list li .mk::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px rgba(31,224,184,.8)}
.form-card{padding:30px;border-radius:var(--r-glass)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;color:var(--text-2)}
.field .req{color:var(--c-accent);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  background:rgba(6,10,20,.72);
  border:1px solid var(--line);border-radius:var(--r-input);
  color:var(--text-1);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(31,224,184,.16),0 0 20px -6px rgba(31,224,184,.7);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-warn)}
.field .err{font-size:13px;color:var(--c-warn);display:none}
.field.has-error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px}
.check-row input{width:18px;height:18px;min-height:18px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 auto}
.check-row label{font-size:13px;color:var(--text-2);line-height:1.7}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.form-tip{font-size:13px;color:var(--text-3)}
.form-status{margin-top:16px;font-size:14px;color:var(--c-ok);display:none}
.form-status.is-on{display:block}

/* ------- FAQ ------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{border-radius:var(--r-glass);overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--line);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(31,224,184,.3)}
.faq-item.is-open{border-color:rgba(31,224,184,.45);box-shadow:0 0 0 1px rgba(31,224,184,.18)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-q:hover{color:var(--c-primary)}
.faq-ico{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease;
}
.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 .3s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ------- CTA 条 ------- */
.cta-band{padding:44px 40px;border-radius:var(--r-glass);display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  background:linear-gradient(135deg,rgba(31,224,184,.14),rgba(53,195,255,.07) 60%,rgba(255,255,255,.02));
  border:1px solid rgba(31,224,184,.28);
}
.cta-band h2{font-size:clamp(20px,2.2vw,28px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:8px;color:var(--text-2);font-size:15px;max-width:520px}

/* ------- 页脚 ------- */
.site-footer{margin-top:40px;border-top:1px solid rgba(255,255,255,.08);background:rgba(6,10,20,.6);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px}
.footer-desc{margin-top:14px;font-size:14px;color:var(--text-3);max-width:22em}
.footer-col h3{font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:600;margin-bottom:16px}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2)}
.footer-links a,.footer-contact a{transition:color .2s ease}
.footer-links a:hover,.footer-contact a:hover{color:var(--c-primary)}
.footer-contact .times{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--text-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:var(--text-3);
}

/* ------- 响应式 ------- */
@media (max-width:1199px){
  .site-nav{width:calc(100% - 28px)}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex;order:3}
  .nav-cta{order:2;margin-left:auto;margin-right:8px}
  .nav-logo span{font-size:14px}
  .site-nav.is-open{border-radius:24px}
  .site-nav.is-open .nav-menu{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    margin:0;padding:14px;border-radius:20px;
    background:rgba(9,14,28,.97);
    -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:0 26px 60px -26px rgba(0,0,0,.95);
  }
  .site-nav.is-open .nav-menu a{padding:14px 16px;font-size:15px;min-height:48px}
  .site-nav.is-open .nav-menu a.is-active::after{display:none}
  .section{padding:64px 0}
  .page-hero{padding:130px 0 56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand-col{grid-column:1 / -1}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-sm{padding:40px 0}
  .hero-panel{padding:26px 20px}
  .page-hero{padding:118px 0 44px}
  .hero-facts{gap:22px}
  .filter-bar{border-radius:20px;padding:12px}
  .filter-hint{margin-left:0;width:100%;padding-right:0}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .timeline::before{left:7px}
  .tl-item{padding-left:38px}
  .tl-dot{left:-2px;top:24px;width:16px;height:16px}
  .tl-card{padding:18px 18px}
  .tl-card h3{font-size:18px}
  .cta-band{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:575px){
  .nav-inner{padding:8px 10px 8px 16px;gap:10px}
  .nav-logo span{font-size:13px}
  .nav-logo svg{width:24px;height:24px}
  .nav-cta{min-height:40px;padding:0 14px;font-size:13px}
  .hero-actions .btn{width:100%}
  .btn{min-height:48px}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;--bg-1:#0A1020;--bg-2:#0F1729;
  --c-primary:#1FE0B8;--c-primary-2:#35C3FF;--c-accent:#FF7A3D;--c-warn:#FF5A5A;--c-ok:#4ADE80;
  --text-1:#E9EFF8;--text-2:#A7B6CB;--text-3:#6E7C93;
  --line:rgba(255,255,255,.10);--line-2:rgba(255,255,255,.06);
  --glass-bg:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  --glass-blur:14px;
  --r-card:16px;--r-glass:18px;--r-btn:999px;--r-img:14px;--r-input:12px;--r-badge:8px;
  --sh-1:0 10px 30px -12px rgba(0,0,0,.6);
  --sh-2:0 18px 48px -16px rgba(0,0,0,.75);
  --glow:0 0 24px -2px rgba(31,224,184,.55);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg-0);color:var(--text-1);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(31,224,184,.28);color:#fff}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px}
.times,.num,num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- background ---------- */
.bg-fx{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 620px at 6% -8%,rgba(31,224,184,.14),transparent 62%),
    radial-gradient(820px 580px at 104% 106%,rgba(53,195,255,.11),transparent 60%),
    linear-gradient(180deg,#05080F 0%,#0A1020 55%,#05080F 100%);
}
.bg-fx::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.042) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.042) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 10%,#000 25%,transparent 78%);
  mask-image:radial-gradient(120% 90% at 50% 10%,#000 25%,transparent 78%);
}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--c-primary);color:#04121A;padding:12px 20px;border-radius:0 0 12px 0;font-weight:600}
.skip-link:focus{left:0}

/* ---------- layout ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1320px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.4vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--c-primary);margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--c-primary);opacity:.7}

/* ---------- glass & cards ---------- */
.glass{
  position:relative;background:var(--glass-bg);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-glass);box-shadow:var(--sh-1);
}
.glass::before{content:"";position:absolute;top:0;left:14px;right:14px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.38),transparent);pointer-events:none}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .glass{background:rgba(18,26,46,.94)}
}
.card{display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;background:var(--glass-bg);
  border:1px solid var(--line);box-shadow:var(--sh-1);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2),0 0 0 1px rgba(31,224,184,.25);border-color:rgba(31,224,184,.4)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card-cover img{width:100%;height:100%;object-fit:cover;object-position:center 35%;transition:transform .22s ease-out}
.card:hover .card-cover img{transform:scale(1.03)}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 42%,rgba(5,8,15,.55) 100%)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{color:var(--text-2);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.06em;background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--c-primary)}
.badge-accent{background:rgba(255,122,61,.16);border-color:rgba(255,122,61,.4);color:#FFB48C}
.badge-soft{color:var(--text-2)}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--c-primary);font-size:14px;font-weight:600;min-height:44px}
.link-more::after{content:"";width:16px;height:1px;background:currentColor;transition:width .22s ease-out}
.link-more:hover::after{width:26px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 24px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease-out,box-shadow .22s,background .22s,color .22s,border-color .22s,filter .22s}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#04121A;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 32px -2px rgba(31,224,184,.72)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:var(--glass-bg);border-color:rgba(255,255,255,.14);color:var(--c-primary);
  -webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur))}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(31,224,184,.5);color:#fff}
.btn-ghost:active{transform:translateY(0)}
.btn-text{position:relative;padding:0 2px;color:var(--c-primary);background:none;border:0;min-height:44px}
.btn-text::after{content:"";position:absolute;left:0;bottom:10px;height:1px;width:0;background:currentColor;transition:width .22s ease-out}
.btn-text:hover::after{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- nav ---------- */
.site-nav{position:fixed;top:16px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 16px;
  transition:top .25s ease-out,padding .25s ease-out}
.nav-inner{position:relative;display:flex;align-items:center;gap:22px;width:100%;max-width:1200px;
  padding:10px 14px 10px 20px;border-radius:999px;background:rgba(10,16,32,.72);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);box-shadow:var(--sh-1);transition:background .25s ease-out,padding .25s ease-out,box-shadow .25s ease-out}
.site-nav.is-scrolled{top:10px}
.site-nav.is-scrolled .nav-inner{background:rgba(10,16,32,.92);padding:8px 12px 8px 18px;box-shadow:var(--sh-2)}
.nav-logo{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap}
.nav-logo svg{flex:0 0 auto}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{position:relative;display:inline-flex;align-items:center;padding:9px 14px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-2);transition:color .2s,background .2s}
.nav-menu a:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.nav-menu a.is-active{color:var(--c-primary)}
.nav-menu a.is-active::after{content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px rgba(31,224,184,.9)}
.nav-cta{padding:0 20px;font-size:14px;flex:0 0 auto}
.drawer-cta{display:none}
.nav-toggle{display:none;width:44px;height:44px;flex:0 0 auto;border-radius:50%;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);position:relative;cursor:pointer}
.nav-toggle span{position:absolute;left:50%;top:50%;width:18px;height:2px;border-radius:2px;background:var(--text-1);
  transform:translate(-50%,-50%);transition:background .22s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .25s ease-out,top .25s ease-out}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-nav.is-open .nav-toggle span{background:transparent}
.site-nav.is-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-nav.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3)}
.crumb a{color:var(--text-2);transition:color .2s}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--c-primary);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article hero ---------- */
.article-hero{position:relative;padding:152px 0 40px;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(180deg,rgba(5,8,15,.72),rgba(5,8,15,.94)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center 30%;opacity:.55}
.article-hero-inner{margin-top:22px;max-width:900px}
.article-hero h1{font-size:clamp(28px,4vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.02em;margin-top:16px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:13px;color:var(--text-3)}
.hero-meta .chip{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2)}
.hero-meta .chip strong{color:var(--c-primary);font-weight:600}

/* ---------- article layout ---------- */
.article-section{padding:56px 0 88px}
.article-layout{margin-top:0}
.article-layout > .cell{padding-left:16px;padding-right:16px}
.article-main{min-width:0}
.article-card{padding:34px 34px 40px;border-radius:var(--r-glass)}
.article-body{font-size:17px;line-height:1.9;color:#D6DFEC;max-width:760px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;color:var(--text-1);
  margin:44px 0 16px;padding-left:15px;scroll-margin-top:118px}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-primary-2))}
.article-body h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--text-1);margin:32px 0 12px;scroll-margin-top:118px}
.article-body h4{font-size:17px;font-weight:600;color:var(--text-1);margin:24px 0 10px}
.article-body ul{margin:0 0 1.3em;padding-left:1.35em;line-height:1.9;list-style:disc}
.article-body ol{margin:0 0 1.3em;padding-left:1.5em;line-height:1.9;list-style:decimal}
.article-body li{margin-bottom:.5em}
.article-body li::marker{color:var(--c-primary)}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(31,224,184,.4);transition:border-color .2s}
.article-body a:hover{border-bottom-color:var(--c-primary)}
.article-body strong{color:#fff;font-weight:600}
.article-body blockquote{margin:26px 0;padding:18px 22px;border-left:3px solid var(--c-primary);border-radius:0 14px 14px 0;
  background:var(--glass-bg);border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:26px auto;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.table-scroll{overflow-x:auto;margin:26px 0;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02)}
.article-body table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-2)}
.article-body th{background:rgba(31,224,184,.08);color:var(--text-1);font-weight:600;white-space:nowrap}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-body tbody tr:last-child td{border-bottom:0}
.empty-state{margin:12px 0;padding:48px 24px;text-align:center;border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-card);
  background:rgba(255,255,255,.02)}
.empty-state svg{margin:0 auto 14px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px}

/* ---------- aside ---------- */
.article-side{display:flex;flex-direction:column;gap:20px}
.side-panel{padding:22px 22px 24px}
.side-title{font-size:13px;letter-spacing:.08em;color:var(--c-primary);font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px rgba(31,224,184,.9)}
.toc{position:sticky;top:104px}
.toc-list{max-height:min(58vh,520px);overflow:auto;padding-right:4px}
.toc-list a{display:block;padding:8px 12px;border-left:2px solid var(--line);color:var(--text-2);font-size:14px;line-height:1.55;
  border-radius:0 10px 10px 0;transition:color .2s,background .2s,border-color .2s}
.toc-list a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.toc-list a.is-active{color:var(--c-primary);border-left-color:var(--c-primary);background:rgba(31,224,184,.08)}
.toc-list a.lvl-3{padding-left:26px;font-size:13px;color:var(--text-3)}
.toc-list a.lvl-3.is-active{color:var(--c-primary)}
.toc-empty{font-size:13px;color:var(--text-3)}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;padding:0 14px;
  border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);font-size:14px;color:var(--text-2);
  transition:border-color .2s,color .2s,transform .2s ease-out}
.side-links a:hover{border-color:rgba(31,224,184,.42);color:var(--text-1);transform:translateX(3px)}
.side-links a span.arw{color:var(--c-primary);font-family:var(--font-num)}
.side-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:14px}

/* ---------- source & nav links ---------- */
.source-row{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;padding:22px 24px}
.source-card{display:flex;align-items:center;gap:14px;flex:1 1 320px;min-width:0}
.source-avatar{width:46px;height:46px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(31,224,184,.22),rgba(53,195,255,.14));border:1px solid rgba(31,224,184,.35)}
.source-card h3{font-size:15px;font-weight:600}
.source-card p{font-size:13px;color:var(--text-3);margin-top:2px}
.source-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- related ---------- */
.related-grid{margin-top:0}
.related-grid > .cell{padding-left:16px;padding-right:16px;margin-bottom:32px}
.cta-strip{margin-top:8px;padding:34px 36px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:linear-gradient(135deg,rgba(31,224,184,.14),rgba(53,195,255,.06)),var(--glass-bg)}
.cta-strip h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.3}
.cta-strip p{color:var(--text-2);font-size:14px;margin-top:8px;max-width:560px}

/* ---------- faq ---------- */
.faq-list{margin-top:8px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--glass-bg);margin-bottom:12px;overflow:hidden;
  -webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur));transition:border-color .22s}
.faq-item:hover{border-color:rgba(31,224,184,.3)}
.faq-item.is-open{border-color:rgba(31,224,184,.42)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;min-height:56px;
  padding:16px 22px;background:none;border:0;color:var(--text-1);font-size:16px;font-weight:600;text-align:left;cursor:pointer;line-height:1.5}
.faq-ico{position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid rgba(31,224,184,.45)}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;transition:transform .25s ease-out}
.faq-ico::before{width:10px;height:2px;transform:translate(-50%,-50%)}
.faq-ico::after{width:2px;height:10px;transform:translate(-50%,-50%) rotate(0deg)}
.faq-item.is-open .faq-ico::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- footer ---------- */
.site-footer{margin-top:40px;border-top:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(10,16,32,.6),rgba(5,8,15,.95))}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding:64px 0 40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em}
.footer-desc{margin-top:14px;color:var(--text-2);font-size:14px;line-height:1.7;max-width:320px}
.footer-col h3{font-size:13px;letter-spacing:.08em;color:var(--c-primary);font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:var(--text-2);font-size:14px;transition:color .2s,transform .2s ease-out;display:inline-block}
.footer-links a:hover{color:var(--c-primary);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:12px;color:var(--text-3);font-size:14px}
.footer-contact .link-more{font-size:14px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:20px 0 32px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:var(--text-3)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 22px}
  .article-card{padding:30px 28px 34px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-menu{position:absolute;left:0;right:0;top:calc(100% + 12px);display:none;flex-direction:column;align-items:stretch;gap:4px;
    margin-left:0;padding:14px;background:rgba(10,16,32,.97);border:1px solid rgba(255,255,255,.12);border-radius:22px;
    box-shadow:var(--sh-2);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
  .site-nav.is-open .nav-menu{display:flex}
  .nav-menu a{padding:12px 14px;font-size:15px;min-height:48px;border-radius:14px;color:var(--text-2)}
  .nav-menu a.is-active{color:var(--c-primary);background:rgba(31,224,184,.12)}
  .nav-menu a.is-active::after{display:none}
  .drawer-cta{display:block;margin-top:6px}
  .drawer-cta .btn{width:100%}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-logo{font-size:15px}
  .article-hero{padding:132px 0 32px}
  .toc{position:static}
  .toc-list{max-height:none}
  .article-side{margin-top:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 32px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .article-section{padding:40px 0 64px}
  .article-body{font-size:17px}
  .cta-strip{padding:26px 22px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:575px){
  .container{padding:0 18px}
  .site-nav{padding:0 12px;top:12px}
  .nav-inner{padding:8px 10px 8px 14px;gap:10px}
  .nav-logo span{font-size:14px}
  .article-hero{padding:118px 0 26px}
  .article-card{padding:22px 18px 26px}
  .article-layout > .cell,.related-grid > .cell{padding-left:10px;padding-right:10px}
  .article-body h2{margin-top:34px}
  .source-row{padding:18px}
  .btn{width:100%}
  .btn-inline{width:auto}
  .source-actions .btn{width:100%}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#05080F;--bg-1:#0A1020;--bg-2:#0F1729;
  --c-primary:#1FE0B8;--c-primary-2:#35C3FF;--c-accent:#FF7A3D;
  --c-warn:#FF5A5A;--c-ok:#4ADE80;
  --text-1:#E9EFF8;--text-2:#A7B6CB;--text-3:#6E7C93;
  --line:rgba(255,255,255,.10);--line-strong:rgba(255,255,255,.18);
  --glass-bg:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  --glass-blur:14px;
  --r-card:16px;--r-glass:18px;--r-btn:999px;--r-img:14px;--r-input:12px;--r-badge:8px;
  --sh-1:0 10px 30px -12px rgba(0,0,0,.6);
  --sh-2:0 18px 48px -16px rgba(0,0,0,.75);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;--sp-7:64px;--sp-8:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow","Inter",system-ui,sans-serif;
}
/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text-1);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease}
a:hover{color:var(--c-primary)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(31,224,184,.28)}
.bg-layer{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(760px 520px at 6% -6%,rgba(31,224,184,.13),transparent 62%),
    radial-gradient(720px 560px at 104% 96%,rgba(31,224,184,.11),transparent 64%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 46%,var(--bg-0));
}
.bg-grid{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.04;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:56px 56px;
}
/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1320px}
.section{padding:var(--sp-8) 0}
.section-tight{padding:var(--sp-7) 0}
.section-head{max-width:760px;margin-bottom:var(--sp-6)}
.section-head h2{font-size:clamp(22px,2.4vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.8}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--c-primary);
  border:1px solid rgba(31,224,184,.32);background:rgba(31,224,184,.08);
  border-radius:var(--r-badge);padding:4px 10px;margin-bottom:16px;
}
.tnum{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
/* ============ 玻璃卡 ============ */
.glass{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-glass);
  box-shadow:var(--sh-1);position:relative;
}
.glass::before{
  content:"";position:absolute;inset:0 0 auto;height:1px;border-radius:var(--r-glass) var(--r-glass) 0 0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .glass{background:rgba(18,26,46,.94)}
}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#1FE0B8 0%,#35C3FF 100%);
  color:#04121A;box-shadow:0 0 24px -2px rgba(31,224,184,.55);
}
.btn-primary:hover{color:#04121A;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 30px -2px rgba(31,224,184,.7)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);color:var(--c-primary);
}
.btn-ghost:hover{color:#5CF2D2;border-color:rgba(31,224,184,.55);transform:translateY(-2px);background:rgba(31,224,184,.08)}
.btn-ghost:active{transform:translateY(0)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  position:relative;min-height:32px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:2px;width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.link-more:hover::after{transform:scaleX(1)}
/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.06em;line-height:1;white-space:nowrap;
}
.badge-glass{background:rgba(255,255,255,.06);border:1px solid var(--line-strong);color:var(--c-primary)}
.badge-ok{background:rgba(74,222,128,.14);border:1px solid rgba(74,222,128,.4);color:var(--c-ok)}
.badge-soon{background:rgba(255,122,61,.14);border:1px solid rgba(255,122,61,.42);color:var(--c-accent)}
.badge-mute{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.04em;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
/* ============ 悬浮胶囊导航 ============ */
.site-nav{position:fixed;top:16px;left:0;right:0;z-index:60;display:flex;justify-content:center;padding:0 18px;transition:top .28s ease}
.nav-inner{
  width:100%;max-width:1180px;display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;border-radius:999px;
  background:rgba(10,16,32,.72);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 12px 36px -18px rgba(0,0,0,.9);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease,padding .28s ease;
}
.site-nav.is-scrolled .nav-inner{
  background:rgba(10,16,32,.9);border-color:rgba(255,255,255,.08);
  box-shadow:0 18px 44px -20px rgba(0,0,0,1);padding:6px 10px 6px 18px;
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .nav-inner{background:rgba(10,16,32,.96)}
}
.nav-logo{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text-1);flex:0 0 auto}
.nav-logo svg{flex:0 0 auto}
.nav-logo span{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);
}
.nav-menu a:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.nav-menu a.is-active{color:var(--c-primary);background:rgba(31,224,184,.1)}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;width:5px;height:5px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 10px 1px rgba(31,224,184,.8);transform:translateX(-50%);
}
.nav-cta{min-height:40px;padding:0 20px;font-size:14.5px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);
  align-items:center;justify-content:center;flex:0 0 auto;background:rgba(255,255,255,.04);
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);position:relative;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{
  position:fixed;inset:80px 18px auto;z-index:59;display:none;
  padding:20px;border-radius:22px;
  background:rgba(10,16,32,.96);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--line-strong);box-shadow:var(--sh-2);
}
.nav-drawer.is-open{display:block}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;min-height:52px;
  padding:0 14px;border-radius:14px;font-size:16px;color:var(--text-1);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-drawer a:last-of-type{border-bottom:0}
.nav-drawer a:hover,.nav-drawer a.is-active{background:rgba(31,224,184,.1);color:var(--c-primary)}
.nav-drawer .btn{width:100%;margin-top:14px;min-height:48px}
/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--c-primary)}
/* ============ 页头区 ============ */
.page-hero{
  position:relative;padding:150px 0 72px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(5,8,15,.55),rgba(5,8,15,.92)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.4;
}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin:16px 0 18px;
}
.page-hero .lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:560px}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-side{padding:28px;border-radius:var(--r-glass)}
.hero-side h2{font-size:17px;font-weight:600;margin-bottom:6px}
.hero-side .side-sub{font-size:13px;color:var(--text-3);margin-bottom:20px}
.side-list{display:grid;gap:14px}
.side-item{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.7}
.side-item .dot{
  flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 10px 1px rgba(31,224,184,.7);
}
.side-item.is-accent .dot{background:var(--c-accent);box-shadow:0 0 10px 1px rgba(255,122,61,.7)}
.side-divider{height:1px;background:rgba(255,255,255,.08);margin:20px 0}
/* ============ 步骤卡（纵向错位） ============ */
.steps{display:grid;gap:20px;counter-reset:step}
.step-card{
  display:grid;grid-template-columns:96px minmax(0,1fr);gap:22px;align-items:start;
  padding:26px 28px;border-radius:var(--r-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:nth-child(2){margin-left:52px}
.step-card:nth-child(3){margin-left:0}
.step-card:nth-child(4){margin-left:52px}
.step-card:nth-child(5){margin-left:0}
.step-card:hover{
  transform:translateY(-4px);border-color:rgba(31,224,184,.4);
  box-shadow:var(--sh-2),0 0 0 1px rgba(31,224,184,.25);
}
.step-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;
  font-size:44px;line-height:1;color:var(--c-primary);opacity:.85;letter-spacing:-.02em;
}
.step-body h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:10px}
.step-body p{font-size:15px;line-height:1.8;color:var(--text-2)}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
/* ============ 双栏图文 ============ */
.split-block{
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:44px;align-items:center;
  padding:32px;border-radius:var(--r-glass);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.split-block+.split-block{margin-top:26px}
.split-block:hover{border-color:rgba(31,224,184,.3);box-shadow:var(--sh-2)}
.split-block.is-reverse .split-media{order:2}
.split-media{border-radius:var(--r-img);overflow:hidden;position:relative;box-shadow:var(--sh-1)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:50% 38%}
.split-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 40%,rgba(5,8,15,.45));
}
.split-copy h3{font-size:22px;font-weight:700;line-height:1.35;margin-bottom:14px}
.split-copy p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:16px}
.check-list{display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;line-height:1.75;color:var(--text-2)}
.check-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;margin-top:4px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(31,224,184,.25),rgba(31,224,184,.06));
  border:1px solid rgba(31,224,184,.55);
  background-image:linear-gradient(135deg,transparent 46%,var(--c-primary) 46% 54%,transparent 54%);
}
.check-list li strong{color:var(--text-1);font-weight:600}
/* ============ 通道速查卡 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.channel-card{
  padding:26px;border-radius:var(--r-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel-card:hover{
  transform:translateY(-4px);border-color:rgba(31,224,184,.4);
  box-shadow:var(--sh-2),0 0 0 1px rgba(31,224,184,.25);
}
.channel-card .badge{margin-bottom:16px}
.channel-card h3{font-size:19px;font-weight:600;margin-bottom:10px;line-height:1.4}
.channel-card p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin-bottom:18px}
.channel-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);border-top:1px solid rgba(255,255,255,.08);padding-top:16px}
/* ============ 提示条 ============ */
.notice{
  border-radius:var(--r-card);border:1px solid rgba(255,122,61,.32);
  background:linear-gradient(160deg,rgba(255,122,61,.1),rgba(255,122,61,.02));
  padding:26px 28px;
}
.notice-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.notice-head .mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:rgba(255,122,61,.18);border:1px solid rgba(255,122,61,.5);position:relative;
}
.notice-head .mark::before{content:"";position:absolute;left:50%;top:6px;width:2px;height:8px;background:var(--c-accent);transform:translateX(-50%)}
.notice-head .mark::after{content:"";position:absolute;left:50%;bottom:5px;width:3px;height:3px;border-radius:50%;background:var(--c-accent);transform:translateX(-50%)}
.notice-head h3{font-size:18px;font-weight:600}
.notice-list{display:grid;gap:12px}
.notice-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.notice-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;margin-top:10px;background:var(--c-accent);
}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px}
.faq-item{
  border-radius:var(--r-card);overflow:hidden;
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  border:1px solid var(--line);transition:border-color .22s ease,box-shadow .22s ease;
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .faq-item{background:rgba(18,26,46,.94)}
}
.faq-item:hover{border-color:rgba(31,224,184,.3);box-shadow:var(--sh-1)}
.faq-item.is-open{border-color:rgba(31,224,184,.42);box-shadow:0 0 0 1px rgba(31,224,184,.18),var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(31,224,184,.45);background:rgba(31,224,184,.08);
  transition:transform .28s ease,background .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:opacity .25s ease;
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(31,224,184,.18)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}
.faq-a-inner p+p{margin-top:10px}
/* ============ CTA ============ */
.cta-band{
  position:relative;border-radius:22px;overflow:hidden;
  border:1px solid rgba(31,224,184,.28);
  background:linear-gradient(160deg,rgba(31,224,184,.12),rgba(53,195,255,.05) 55%,rgba(255,255,255,.02));
  padding:52px 44px;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:36px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,184,.22),transparent 66%);pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;margin-bottom:14px}
.cta-band p{font-size:15px;line-height:1.85;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
/* ============ 页脚 ============ */
.site-footer{border-top:1px solid rgba(255,255,255,.08);margin-top:var(--sp-8);padding:64px 0 28px;background:linear-gradient(180deg,rgba(10,16,32,.4),rgba(5,8,15,.9))}
.footer-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,3fr) minmax(0,4fr);gap:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text-1)}
.footer-desc{margin-top:14px;font-size:14px;color:var(--text-3);line-height:1.7;max-width:280px}
.footer-col h3{font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:600;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--c-primary)}
.footer-contact{display:grid;gap:12px;font-size:14px;color:var(--text-2)}
.footer-contact .times{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--text-1)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:var(--text-3);
}
.footer-bottom .tnum{font-family:var(--font-num);letter-spacing:.02em}
/* ============ 响应式 ============ */
@media (max-width:1199px){
  .page-hero{padding:132px 0 64px}
  .step-card:nth-child(2),.step-card:nth-child(4){margin-left:34px}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .page-hero-grid{grid-template-columns:1fr;gap:32px}
  .section{padding:var(--sp-7) 0}
  .split-block{grid-template-columns:1fr;gap:26px;padding:26px}
  .split-block.is-reverse .split-media{order:0}
  .channel-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 30px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:var(--sp-6) 0}
  .page-hero{padding:118px 0 48px}
  .step-card{grid-template-columns:64px minmax(0,1fr);gap:16px;padding:22px 20px}
  .step-card:nth-child(2),.step-card:nth-child(3),.step-card:nth-child(4),.step-card:nth-child(5){margin-left:0}
  .step-num{font-size:34px}
  .channel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .nav-logo span{font-size:14px}
  .page-hero h1{font-size:30px}
  .cta-band{padding:32px 22px}
  .btn{width:100%;min-height:48px}
  .page-hero-actions{flex-direction:column;align-items:stretch}
  .cta-actions{flex-direction:column;align-items:stretch}
  .notice{padding:22px 20px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 20px}
}

/* roulang page: category3 */
:root{
  --bg-0:#05080F; --bg-1:#0A1020; --bg-2:#0F1729;
  --c-primary:#1FE0B8; --c-primary-2:#35C3FF; --c-accent:#FF7A3D;
  --c-warn:#FF5A5A; --c-ok:#4ADE80;
  --text-1:#E9EFF8; --text-2:#A7B6CB; --text-3:#6E7C93;
  --line:rgba(255,255,255,.10);
  --glass-bg:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  --glass-blur:14px;
  --r-card:16px; --r-glass:18px; --r-btn:999px; --r-input:12px; --r-badge:8px;
  --sh:0 10px 30px -12px rgba(0,0,0,.6);
  --sh-hover:0 18px 48px -16px rgba(0,0,0,.75);
  --glow:0 0 24px -2px rgba(31,224,184,.55);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow","Inter",system-ui,sans-serif;
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font-cn);
  font-size:16px;line-height:1.75;
  color:var(--text-1);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:inherit;text-decoration:none;background-color:transparent}
a:hover{color:var(--c-primary)}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;margin:0}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-1)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(31,224,184,.32);color:#fff}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

/* ---------- 背景层 ---------- */
.bg-layer{position:fixed;inset:0;z-index:-2;background:var(--bg-0);pointer-events:none}
.bg-layer::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 540px at 4% -8%, rgba(31,224,184,.14), transparent 66%),
    radial-gradient(820px 580px at 104% 108%, rgba(31,224,184,.11), transparent 68%),
    radial-gradient(600px 420px at 78% 6%, rgba(53,195,255,.08), transparent 70%);
}
.bg-layer::after{
  content:"";position:absolute;inset:0;opacity:.045;
  background-image:
    linear-gradient(rgba(255,255,255,.9) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.9) 1px, transparent 1px);
  background-size:64px 64px;
}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.hero-wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 导航 ---------- */
.site-nav{
  position:fixed;top:16px;left:0;right:0;z-index:90;
  display:flex;justify-content:center;padding:0 18px;
  transition:top .3s ease, padding .3s ease;
}
.site-nav.is-scrolled{top:10px}
.nav-inner{
  position:relative;width:100%;max-width:1200px;
  display:flex;align-items:center;gap:18px;
  padding:9px 10px 9px 18px;
  border-radius:999px;
  background:rgba(10,16,32,.72);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 12px 34px -18px rgba(0,0,0,.85);
  transition:background .3s ease,border-color .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-nav.is-scrolled .nav-inner{
  background:rgba(10,16,32,.92);
  border-color:rgba(255,255,255,.08);
  padding-top:6px;padding-bottom:6px;
  box-shadow:0 18px 44px -20px rgba(0,0,0,.95);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .nav-inner{background:rgba(10,16,32,.96)}
  .glass-card,.faq-item,.form-card,.rec-card{background:#121A2E;background-image:none}
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);flex:0 0 auto}
.nav-logo svg{flex:0 0 auto}
.nav-logo:hover{color:var(--text-1)}
.nav-logo:hover svg path{filter:drop-shadow(0 0 8px rgba(31,224,184,.8))}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;
  min-height:40px;padding:0 14px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.nav-menu a.is-active{color:var(--c-primary)}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;width:5px;height:5px;
  border-radius:50%;background:var(--c-primary);transform:translateX(-50%);
  box-shadow:0 0 10px rgba(31,224,184,.95);
}
.nav-cta{flex:0 0 auto;min-height:40px;padding:0 20px;font-size:14px}
.nav-drawer-cta{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:999px;
}
.nav-toggle span{position:relative;display:block;width:16px;height:2px;background:var(--text-1);border-radius:2px;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text-1);border-radius:2px;transition:.25s;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);background:var(--c-primary)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);background:var(--c-primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease-out,filter .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),#5CEBCB);
  color:#03211B;box-shadow:var(--glow);font-weight:700;
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);color:#03211B;box-shadow:0 0 30px -2px rgba(31,224,184,.72)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(255,255,255,.18);
  color:var(--c-primary);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(31,224,184,.6);color:#7FF0D8;background:rgba(31,224,184,.08)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;filter:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--c-primary);
  transition:width .28s ease;
}
.link-more:hover::after{width:100%}

/* ---------- 页面头 ---------- */
.page-hero{position:relative;padding:154px 0 60px;overflow:hidden}
.page-hero .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center 30%;
  opacity:.30;filter:saturate(.85);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.62) 0%,rgba(5,8,15,.78) 52%,var(--bg-0) 100%);
}
.page-hero .hero-wrap{position:relative;z-index:3}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;color:var(--text-3);margin-bottom:20px;padding:0;
}
.breadcrumb a{color:var(--text-3);transition:color .2s}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--c-primary);font-weight:600}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:var(--r-badge);
  background:rgba(31,224,184,.10);
  border:1px solid rgba(31,224,184,.32);
  color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.06em;
  margin-bottom:18px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary);display:block}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  max-width:900px;margin-bottom:16px;
}
.page-hero .hero-sub{
  font-size:16px;line-height:1.8;color:var(--text-2);max-width:660px;margin-bottom:26px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;font-size:14px;font-weight:500;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text-2);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:.22s ease;
}
.chip:hover{color:var(--c-primary);border-color:rgba(31,224,184,.5);background:rgba(31,224,184,.08);transform:translateY(-2px)}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{
  font-size:clamp(22px,2.4vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-bottom:12px;
}
.section-head .lede{font-size:15px;line-height:1.85;color:var(--text-2)}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;font-weight:600;
  color:var(--c-primary);margin-bottom:12px;
}

/* ---------- FAQ ---------- */
.faq-group{margin-bottom:40px}
.faq-group-title{
  position:relative;display:flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);
  margin-bottom:16px;padding-left:14px;
}
.faq-group-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:14px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 10px rgba(31,224,184,.7);
}
.faq-group-title em{font-style:normal;color:var(--text-3);font-weight:500;letter-spacing:.04em}
.faq-item{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
  margin-bottom:10px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.18)}
.faq-item[open]{border-color:rgba(31,224,184,.34);box-shadow:var(--sh-hover),0 0 0 1px rgba(31,224,184,.14)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 20px;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text-1);
  cursor:pointer;list-style:none;
  transition:color .2s ease;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--c-primary)}
.faq-sign{
  position:relative;flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  border:1px solid rgba(31,224,184,.42);
  transition:background .25s ease,transform .25s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease;
}
.faq-sign::before{width:10px;height:1.6px}
.faq-sign::after{width:1.6px;height:10px}
.faq-item[open] .faq-sign{background:rgba(31,224,184,.14);transform:rotate(180deg)}
.faq-item[open] .faq-sign::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:860px}
.faq-a strong{color:var(--text-1);font-weight:600}

/* ---------- 咨询区 ---------- */
.consult-section{position:relative;padding:88px 0;overflow:hidden}
.consult-section::before{
  content:"";position:absolute;left:50%;top:20%;width:900px;height:560px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(31,224,184,.14),transparent 72%);
  pointer-events:none;
}
.consult-section .container{position:relative;z-index:2}
.side-card{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-glass);
  padding:28px 24px;box-shadow:var(--sh);
}
.side-card h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:16px}
.prep-list li{
  position:relative;padding-left:26px;margin-bottom:14px;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.prep-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(-45deg);border-radius:1px;
}
.service-meta{
  margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:10px;
}
.service-meta span{font-size:13px;color:var(--text-3)}
.service-meta b{color:var(--text-1);font-weight:600}
.form-card{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-glass);
  padding:30px 28px;box-shadow:var(--sh-hover);
}
.form-card h3{font-size:20px;font-weight:600;margin-bottom:6px}
.form-card .form-note{font-size:13px;color:var(--text-3);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.field label .req{color:var(--c-accent);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 14px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-input);
  color:var(--text-1);font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(31,224,184,.18);
  background:rgba(255,255,255,.06);
}
.field select{appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
.field select option{background:#0F1729;color:var(--text-1)}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 22px}
.check-row input[type="checkbox"]{
  flex:0 0 18px;width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);
}
.check-row label{font-size:13px;line-height:1.7;color:var(--text-3);font-weight:400}
.check-row a{color:var(--c-primary);text-decoration:underline}
.form-ok{
  margin-top:16px;padding:14px 16px;border-radius:var(--r-input);
  background:rgba(74,222,128,.10);border:1px solid rgba(74,222,128,.35);
  color:#9BF0B8;font-size:14px;
}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
  transition:transform .22s ease-out,box-shadow .22s ease,border-color .22s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover),0 0 0 1px rgba(31,224,184,.25);border-color:rgba(31,224,184,.4)}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;object-position:center 30%;transition:transform .22s ease-out}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 40%,rgba(5,8,15,.55) 100%);
}
.rec-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(255,255,255,.06);border:1px solid rgba(31,224,184,.34);color:var(--c-primary);
  align-self:flex-start;
}
.rec-body h3{font-size:17px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-body p{font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.rec-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--text-3);margin-top:auto}
.rec-meta span{display:inline-flex;align-items:center;gap:6px}
.rec-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:24px;padding:64px 0 0;
  border-top:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,rgba(10,16,32,.4),rgba(5,8,15,.9));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:var(--text-1);margin-bottom:14px}
.footer-brand:hover{color:var(--text-1)}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-3);max-width:280px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-contact a{font-size:14px;color:var(--text-2);transition:color .2s ease}
.footer-links a:hover,.footer-contact a:hover{color:var(--c-primary)}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact span{font-size:13px;color:var(--text-3)}
.footer-contact .times{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--text-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:72px 0}
  .consult-section{padding:72px 0}
  .footer-grid{gap:36px}
}
@media (max-width:991px){
  .nav-menu{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    padding:14px;border-radius:22px;
    background:rgba(10,16,32,.97);
    border:1px solid var(--line);
    box-shadow:var(--sh-hover);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-menu a{min-height:46px;padding:0 16px;font-size:15px;border-radius:14px}
  .nav-menu a.is-active{background:rgba(31,224,184,.10)}
  .nav-menu a.is-active::after{display:none}
  .nav-cta{display:none}
  .nav-drawer-cta{display:inline-flex;margin-top:8px;height:48px}
  .nav-toggle{display:inline-flex}
  .page-hero{padding:132px 0 48px}
  .section{padding:64px 0}
  .consult-section{padding:64px 0}
  .section-head{margin-bottom:34px}
  .rec-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero-wrap{padding:0 18px}
  .nav-logo span{font-size:15px}
  .page-hero{padding:118px 0 40px}
  .page-hero .hero-sub{font-size:15px}
  .section{padding:48px 0}
  .consult-section{padding:48px 0}
  .form-card{padding:22px 18px}
  .side-card{padding:22px 18px}
  .faq-q{font-size:15px;padding:14px 16px}
  .faq-a{padding:0 16px 18px}
  .rec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575px){
  .page-hero h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-chips .chip{font-size:13px;height:36px;padding:0 14px}
  .btn{min-height:48px;padding:0 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}