/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand-a:#12E1B8;
  --brand-b:#6A4CFF;
  --accent:#FF6A2B;
  --dark:#0B0D14;
  --dark-2:#141826;
  --dark-3:#1B2030;
  --dark-line:rgba(255,255,255,.10);
  --dark-text:#C9CEDA;
  --bg:#F5F6FA;
  --card:#FFFFFF;
  --text:#1B1F2A;
  --muted:#616879;
  --line:#E7E9F0;
  --ok:#17C964;
  --warn:#F5A524;
  --danger:#E5484D;
  --grad:linear-gradient(120deg,#12E1B8 0%,#6A4CFF 100%);
  --grad-rev:linear-gradient(120deg,#6A4CFF 0%,#12E1B8 100%);
  --grad-soft:linear-gradient(120deg,rgba(18,225,184,.16) 0%,rgba(106,76,255,.16) 100%);
  --r-s:10px;
  --r-btn:12px;
  --r-card:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(16,20,40,.06);
  --sh-hover:0 18px 44px rgba(16,20,40,.12);
  --glow:0 0 0 1px rgba(18,225,184,.35), 0 12px 32px rgba(106,76,255,.30);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:var(--brand-b);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-a);}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--brand-a);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}
section{position:relative;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ============ 通用文字层级 ============ */
.h1{font-size:clamp(30px,4.2vw,54px);font-weight:900;line-height:1.16;letter-spacing:-.02em;}
.h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.25;letter-spacing:-.01em;color:var(--text);}
.h3{font-size:20px;font-weight:700;line-height:1.4;}
.lead{font-size:16.5px;line-height:1.85;color:var(--muted);}
.text-muted{color:var(--muted);}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部公告条 ============ */
.topbar{
  height:36px;
  background:var(--dark);
  border-bottom:1px solid var(--dark-line);
  display:flex;align-items:center;
  font-size:13px;color:var(--dark-text);
}
.topbar .container{display:flex;align-items:center;gap:10px;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-a);box-shadow:0 0 10px var(--brand-a);flex:0 0 6px;}
.topbar-strong{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700;
}
.topbar-time{margin-left:auto;color:#8A93A8;font-size:12.5px;}
@media (max-width:600px){.topbar-time{display:none;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,13,20,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.site-header.scrolled{box-shadow:0 12px 34px rgba(0,0,0,.45);background:rgba(11,13,20,.97);}
.site-header.scrolled::after{opacity:.85;}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px;}
.logo{
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:#fff;
  white-space:nowrap;display:flex;align-items:baseline;gap:8px;flex:0 0 auto;
}
.logo:hover{color:#fff;}
.logo .logo-sub{
  font-size:12px;font-weight:500;color:#7E8AA3;letter-spacing:.04em;
}
.logo-mark{
  display:inline-block;width:10px;height:10px;border-radius:3px;
  background:var(--grad);box-shadow:0 0 12px rgba(18,225,184,.7);
  margin-right:9px;transform:translateY(-1px);
}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--dark-text);
  padding:22px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;box-shadow:0 0 12px rgba(18,225,184,.6);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.hamburger{
  display:none;width:44px;height:44px;border-radius:var(--r-s);
  border:1px solid var(--dark-line);align-items:center;justify-content:center;
  flex-direction:column;gap:5px;transition:border-color .2s ease,background .2s ease;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:#D7DCE8;transition:transform .25s ease,opacity .2s ease;}
.hamburger:hover{border-color:rgba(18,225,184,.6);background:rgba(18,225,184,.08);}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 10px 26px rgba(106,76,255,.35);
}
.btn-primary:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 16px 38px rgba(106,76,255,.5),0 0 0 1px rgba(18,225,184,.5);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.28);
}
.btn-ghost:hover{
  color:#fff;background:rgba(18,225,184,.12);border-color:rgba(18,225,184,.7);transform:translateY(-2px);
}
.btn-outline{background:#fff;color:var(--text);border-color:var(--line);box-shadow:var(--sh);}
.btn-outline:hover{color:var(--brand-b);border-color:rgba(106,76,255,.45);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  background:rgba(18,225,184,.10);color:#0E9E82;border:1px solid rgba(18,225,184,.28);
}
.pill-dark{
  background:rgba(18,225,184,.10);color:var(--brand-a);
  border:1px solid rgba(18,225,184,.35);
  box-shadow:0 0 18px rgba(18,225,184,.18) inset;
}
.pill-purple{background:rgba(106,76,255,.10);color:#5B3EE0;border-color:rgba(106,76,255,.26);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  background:var(--grad-soft);color:#5B3EE0;border:1px solid rgba(106,76,255,.18);
}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.data-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;letter-spacing:.01em;
  background:rgba(20,24,38,.85);color:#E6EAF4;
  border:1px solid rgba(18,225,184,.28);
  box-shadow:0 8px 22px rgba(0,0,0,.28);
}
.data-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-a);box-shadow:0 0 10px var(--brand-a);flex:0 0 6px;}
.data-badge b{
  font-size:17px;font-weight:900;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.data-badge .unit{color:#9AA4BC;font-size:12.5px;font-weight:500;}
.data-badge-light{
  background:#fff;color:var(--text);border:1px solid var(--line);box-shadow:var(--sh);
}
.data-badge-light .unit{color:var(--muted);}

/* ============ Hero ============ */
.hero{
  background:
    radial-gradient(720px 420px at 82% 8%,rgba(106,76,255,.34),transparent 62%),
    radial-gradient(600px 380px at 6% 88%,rgba(18,225,184,.22),transparent 60%),
    linear-gradient(160deg,#0B0D14 0%,#12162A 58%,#0B0D14 100%);
  color:#fff;overflow:hidden;
  min-height:600px;display:flex;align-items:center;
  padding:64px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.5;
  mask-image:radial-gradient(70% 60% at 50% 40%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000 30%,transparent 100%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad);opacity:.75;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
}
.hero-badge{margin-bottom:22px;}
.hero h1{margin-bottom:20px;}
.hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;line-height:1.85;color:#A8B0C4;max-width:560px;margin-bottom:14px;}
.hero-sub strong{color:#fff;font-weight:700;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:0 0 0 1px rgba(18,225,184,.30),0 30px 70px rgba(106,76,255,.42);
}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,20,0) 42%,rgba(11,13,20,.62) 100%);
}
.float-card{
  position:absolute;top:-18px;right:-14px;z-index:3;
  background:rgba(20,24,38,.94);backdrop-filter:blur(8px);
  border:1px solid rgba(18,225,184,.32);border-radius:var(--r-card);
  padding:14px 18px;box-shadow:0 18px 40px rgba(0,0,0,.45);
  min-width:168px;
}
.float-card .fc-label{font-size:12px;color:#8A93A8;letter-spacing:.04em;margin-bottom:4px;}
.float-card .fc-value{
  font-size:26px;font-weight:900;color:#fff;line-height:1.15;
  font-variant-numeric:tabular-nums;
}
.float-card .fc-value em{font-style:normal;color:var(--accent);}
.float-capsule{
  position:absolute;left:-16px;bottom:22px;z-index:3;
  display:inline-flex;align-items:center;gap:9px;
  height:38px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(11,13,20,.88);border:1px solid rgba(255,255,255,.14);
  color:#E6EAF4;font-size:13px;font-weight:600;backdrop-filter:blur(8px);
}
.float-capsule .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);animation:pulse 2.2s infinite;}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.55;transform:scale(.82);}
}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.1em;color:#0E9E82;
  text-transform:none;margin-bottom:14px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);}
.section-head .h2{margin-bottom:14px;}
.section-head p{font-size:16.5px;line-height:1.85;color:var(--muted);}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.head-row .section-head{margin-bottom:0;}
.link-more{
  font-size:14.5px;font-weight:700;color:var(--brand-b);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.link-more::after{content:"→";transition:transform .2s ease;}
.link-more:hover::after{transform:translateX(4px);}

/* ============ 索引网格（弄清几件事） ============ */
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.guide-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(106,76,255,.28);}
.guide-card-wide{
  grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;gap:32px;
  align-items:center;padding:32px;
  background:linear-gradient(135deg,#fff 0%,#F8F9FF 100%);
}
.guide-card-wide figure{
  border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;
  box-shadow:0 0 0 1px var(--line);
}
.guide-card-wide img{width:100%;height:100%;object-fit:cover;}
.guide-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;margin-bottom:16px;
  font-size:14px;font-weight:900;color:#0E9E82;
  background:rgba(18,225,184,.12);border:1px solid rgba(18,225,184,.35);
  font-variant-numeric:tabular-nums;
}
.guide-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.guide-card p{font-size:15.5px;line-height:1.85;color:var(--muted);}

/* ============ 三步上手（阶梯） ============ */
.steps-wrap{position:relative;}
.steps-line{
  position:absolute;left:6%;right:6%;top:96px;height:2px;
  background:repeating-linear-gradient(90deg,rgba(106,76,255,.45) 0 12px,transparent 12px 24px);
  z-index:0;
}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;z-index:1;}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px 26px;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:nth-child(2){margin-top:24px;}
.step-card:nth-child(3){margin-top:48px;}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);}
.step-ring{
  width:54px;height:54px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:900;color:#0B0D14;
  background:var(--grad);
  box-shadow:0 0 0 4px rgba(18,225,184,.14),0 10px 24px rgba(106,76,255,.35);
  margin-bottom:20px;font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.step-card p{font-size:15.5px;line-height:1.8;color:var(--muted);margin-bottom:16px;}
.step-link{font-size:14.5px;font-weight:700;color:var(--brand-b);display:inline-flex;gap:6px;align-items:center;}
.step-link::after{content:"→";transition:transform .2s ease;}
.step-link:hover::after{transform:translateX(4px);}

/* ============ 案例证明 ============ */
.proof-row{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:34px 0;
}
.proof-row + .proof-row{border-top:1px solid var(--line);}
.proof-row.reverse .proof-text{order:2;}
.proof-row.reverse .proof-card{order:1;}
.proof-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.proof-text h3{font-size:clamp(21px,2.2vw,27px);font-weight:800;line-height:1.35;margin-bottom:14px;}
.proof-text p{font-size:16px;line-height:1.9;color:var(--muted);}
.proof-text p + p{margin-top:12px;}
.proof-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.proof-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.proof-card figure{
  border-radius:16px;overflow:hidden;aspect-ratio:3/2;
  box-shadow:inset 0 0 0 1px var(--line);
}
.proof-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.proof-card:hover img{transform:scale(1.04);}
.proof-card figcaption{
  font-size:13.5px;color:var(--muted);padding:14px 6px 6px;line-height:1.7;
}
.proof-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  padding:6px 6px 14px;border-bottom:1px solid var(--line);margin-bottom:14px;
}
.stat-num{
  font-size:30px;font-weight:900;line-height:1.1;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num span{font-size:14px;font-weight:700;color:var(--muted);margin-left:2px;}
.stat-label{font-size:12.5px;color:var(--muted);margin-top:4px;}

/* ============ 分类入口双卡 ============ */
.lanes{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.lane-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.lane-card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);border-color:rgba(18,225,184,.4);}
.lane-cover{aspect-ratio:16/9;overflow:hidden;position:relative;}
.lane-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.lane-card:hover .lane-cover img{transform:scale(1.04);}
.lane-body{padding:26px 26px 28px;}
.lane-body h3{font-size:21px;font-weight:800;margin:14px 0 10px;}
.lane-body p{font-size:15.5px;line-height:1.85;color:var(--muted);margin-bottom:18px;}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;min-height:352px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(106,76,255,.28);}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:#EEF0F6;display:block;}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:20px 22px 8px;flex:1 1 auto;}
.news-title{
  font-size:17.5px;font-weight:700;line-height:1.5;color:var(--text);
  margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand-b);}
.news-excerpt{
  font-size:14.5px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 22px 18px;border-top:1px solid var(--line);margin-top:14px;
  font-size:13px;color:var(--muted);
}
.news-more{font-weight:700;color:var(--brand-b);display:inline-flex;align-items:center;gap:5px;}
.news-more::after{content:"→";transition:transform .2s ease;}
.news-card:hover .news-more::after{transform:translateX(3px);}
.empty-state{
  grid-column:1/-1;
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  color:var(--muted);font-size:15px;text-align:center;padding:32px;
}
.empty-icon{
  width:52px;height:52px;border-radius:50%;
  border:1.5px solid rgba(106,76,255,.4);position:relative;
}
.empty-icon::before,.empty-icon::after{content:"";position:absolute;background:rgba(106,76,255,.5);border-radius:2px;}
.empty-icon::before{width:20px;height:1.5px;top:25px;left:15px;}
.empty-icon::after{width:1.5px;height:12px;top:19px;left:25px;}

/* ============ FAQ ============ */
.faq-columns{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 28px;align-items:start;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(106,76,255,.28);box-shadow:var(--sh);}
.faq-item.open{border-color:rgba(18,225,184,.5);box-shadow:0 14px 34px rgba(16,20,40,.09);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 22px 14px 24px;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);line-height:1.55;
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;
  background:var(--grad);opacity:0;transition:opacity .22s ease;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:#8A93A8;border-radius:2px;
  transition:transform .22s ease-out,opacity .22s ease,background .22s ease;
}
.faq-icon::before{width:15px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:15px;transform:translate(-50%,-50%);}
.faq-item.open .faq-icon::before{background:var(--brand-a);}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out;}
.faq-a-inner{padding:0 24px 20px;font-size:15.5px;line-height:1.85;color:var(--muted);}
.faq-a-inner p{margin:0;}

/* ============ CTA 条带 ============ */
.cta-band{padding:0 0 96px;}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);padding:52px 56px;
  background:linear-gradient(120deg,#101528 0%,#1B1340 55%,#0B0D14 100%);
  box-shadow:0 30px 70px rgba(16,20,40,.28);
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.16;
  pointer-events:none;
}
.cta-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad);opacity:.9;
}
.cta-text{position:relative;z-index:2;max-width:620px;}
.cta-text .h2{color:#fff;margin-bottom:12px;}
.cta-text p{color:#A8B0C4;font-size:16px;line-height:1.85;margin-bottom:20px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:var(--dark-text);position:relative;
  padding:64px 0 0;font-size:14.5px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{font-size:20px;margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#8A93A8;max-width:340px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:18px;
}
.footer-col li{margin-bottom:12px;}
.footer-col a,.footer-col span{color:#8A93A8;font-size:14.5px;transition:color .2s ease;}
.footer-col a:hover{color:var(--brand-a);}
.footer-bottom{
  border-top:1px solid var(--dark-line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#6E7688;flex-wrap:wrap;
}
.footer-bottom .fb-right{color:#5C6478;}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,8,14,.62);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:linear-gradient(180deg,#0B0D14 0%,#141826 100%);
  z-index:90;transform:translateX(102%);
  transition:transform .3s cubic-bezier(.22,.8,.28,1);
  display:flex;flex-direction:column;padding:22px 22px 28px;
  border-left:1px solid var(--dark-line);
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--dark-line);}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-s);border:1px solid var(--dark-line);
  color:#D7DCE8;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,background .2s ease;
}
.drawer-close:hover{border-color:rgba(18,225,184,.6);background:rgba(18,225,184,.08);}
.drawer-nav{display:flex;flex-direction:column;padding:18px 0;gap:4px;flex:1 1 auto;}
.drawer-nav a{
  color:var(--dark-text);font-size:16px;font-weight:600;
  padding:14px 2px;border-bottom:1px solid rgba(255,255,255,.06);
  opacity:0;transform:translateX(14px);
  transition:opacity .3s ease,transform .3s ease,color .2s ease;
}
.drawer.show .drawer-nav a{opacity:1;transform:translateX(0);}
.drawer.show .drawer-nav a:nth-child(1){transition-delay:.05s;}
.drawer.show .drawer-nav a:nth-child(2){transition-delay:.1s;}
.drawer.show .drawer-nav a:nth-child(3){transition-delay:.15s;}
.drawer.show .drawer-nav a:nth-child(4){transition-delay:.2s;}
.drawer.show .drawer-nav a:nth-child(5){transition-delay:.25s;}
.drawer-nav a:hover,.drawer-nav a.active{color:#fff;}
.drawer-nav a.active{background:linear-gradient(90deg,rgba(18,225,184,.14),transparent);border-radius:8px;padding-left:12px;}
.drawer-cta{width:100%;margin-top:10px;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-grid{gap:40px;}
  .section{padding:84px 0;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .hero{min-height:auto;padding:52px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-frame{aspect-ratio:16/10;}
  .float-card{top:-14px;right:0;}
  .float-capsule{left:0;bottom:16px;}
  .guide-card-wide{grid-template-columns:1fr;gap:24px;}
  .steps{grid-template-columns:1fr 1fr;}
  .step-card:nth-child(2){margin-top:0;}
  .step-card:nth-child(3){margin-top:0;grid-column:span 2;}
  .steps-line{display:none;}
  .proof-row{grid-template-columns:1fr;gap:28px;padding:32px 0;}
  .proof-row.reverse .proof-text{order:1;}
  .proof-row.reverse .proof-card{order:2;}
  .lanes{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-columns{grid-template-columns:1fr;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 34px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:span 2;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:64px 0;}
  .logo{font-size:17px;}
  .logo .logo-sub{display:none;}
  .topbar{font-size:12.5px;}
  .hero{padding:40px 0 60px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .btn{height:46px;padding:0 20px;font-size:15px;}
  .guide-grid{grid-template-columns:1fr;}
  .guide-card-wide{grid-column:span 1;padding:24px;}
  .steps{grid-template-columns:1fr;gap:20px;}
  .step-card:nth-child(3){grid-column:span 1;}
  .news-grid{grid-template-columns:1fr;}
  .head-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .proof-stats{grid-template-columns:repeat(3,1fr);gap:8px;}
  .stat-num{font-size:24px;}
  .cta-card{padding:30px 22px;border-radius:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand{grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-q{font-size:15.5px;padding:14px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
}
@media (max-width:479px){
  .hero h1{font-size:27px;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .proof-stats{grid-template-columns:1fr 1fr;}
  .data-badge{height:36px;padding:0 12px;font-size:12.5px;}
  .data-badge b{font-size:15px;}
}

/* roulang page: article */
:root{
  --a:#12E1B8;
  --b:#6A4CFF;
  --accent:#FF6A2B;
  --ink-900:#0B0D14;
  --ink-800:#141826;
  --ink-700:#1B2132;
  --dark-line:rgba(255,255,255,.10);
  --page:#F5F6FA;
  --card:#FFFFFF;
  --text:#1B1F2A;
  --text-2:#2A2F3D;
  --muted:#616879;
  --muted-2:#8A92A6;
  --line:#E7E9F0;
  --success:#17C964;
  --warn:#F5A524;
  --danger:#E5484D;
  --grad:linear-gradient(120deg,#12E1B8 0%,#6A4CFF 100%);
  --grad-soft:linear-gradient(120deg,rgba(18,225,184,.16) 0%,rgba(106,76,255,.16) 100%);
  --r-sm:10px;
  --r-btn:12px;
  --r-card:20px;
  --r-md:24px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(16,20,40,.06);
  --sh-hover:0 18px 44px rgba(16,20,40,.12);
  --glow:0 0 0 1px rgba(18,225,184,.35),0 12px 32px rgba(106,76,255,.30);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;}
p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--a);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 公告条 ---------- */
.announce{
  background:#07090F;
  color:#A9B1C4;
  font-size:13px;
  min-height:36px;
  display:flex;align-items:center;justify-content:center;
  gap:10px;
  padding:6px 18px;
  border-bottom:1px solid var(--dark-line);
  text-align:center;
}
.announce .pulse{
  width:6px;height:6px;border-radius:50%;
  background:var(--a);box-shadow:0 0 10px var(--a);
  flex:none;
}
.announce strong{color:#fff;font-weight:600;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(11,13,20,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--dark-line);
  transition:box-shadow .3s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--grad);opacity:0;transition:opacity .3s ease;
}
.site-header.scrolled{box-shadow:0 14px 34px rgba(0,0,0,.45);}
.site-header.scrolled::after{opacity:1;}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:68px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-weight:800;font-size:18px;letter-spacing:.01em;
  white-space:nowrap;flex:none;
}
.logo-mark{
  width:12px;height:12px;border-radius:4px;background:var(--grad);
  box-shadow:0 0 14px rgba(18,225,184,.85);flex:none;
}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;color:#C9CEDA;padding:9px 0;
  transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
  box-shadow:0 0 12px rgba(18,225,184,.7);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;flex:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--dark-line);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#E7E9F0;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:#E7E9F0;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background-color .25s ease,color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(106,76,255,.32);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 38px rgba(18,225,184,.4);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost-dark{background:rgba(255,255,255,.04);color:#E7E9F0;border-color:var(--dark-line);}
.btn-ghost-dark:hover{background:rgba(18,225,184,.12);border-color:rgba(18,225,184,.45);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{background:#fff;color:#1B1F2A;border-color:var(--line);box-shadow:var(--sh-card);}
.btn-ghost-light:hover{border-color:rgba(106,76,255,.5);color:#3B2FA8;transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(880px 420px at 10% -20%,rgba(18,225,184,.20),transparent 62%),
    radial-gradient(760px 420px at 92% -6%,rgba(106,76,255,.26),transparent 64%),
    var(--ink-900);
  color:#fff;
  padding:30px 0 76px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(760px 420px at 26% 0%,#000,transparent 74%);
  mask-image:radial-gradient(760px 420px at 26% 0%,#000,transparent 74%);
  opacity:.7;
}
.article-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--muted-2);
}
.crumb a{transition:color .2s ease;}
.crumb a:hover{color:#fff;}
.crumb .sep{color:#39405A;}
.crumb .current{color:var(--a);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.5;
}
.pill-dark{
  border:1px solid rgba(18,225,184,.38);
  background:rgba(18,225,184,.10);
  color:#7FF3DA;
}
.pill-dark .dot{width:6px;height:6px;border-radius:50%;background:var(--a);box-shadow:0 0 10px var(--a);}
.article-title{
  margin:18px 0 18px;
  font-size:clamp(26px,3.4vw,40px);
  font-weight:800;
  line-height:1.36;
  letter-spacing:-.02em;
  color:#fff;
  max-width:960px;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:13.5px;color:var(--muted-2);
}
.meta-row .divider{width:1px;height:12px;background:rgba(255,255,255,.18);}
.meta-row .tag{color:#9AA3B8;}

/* ---------- 正文区 ---------- */
.article-main{padding:0 0 96px;background:var(--page);}
.article-card{
  position:relative;
  max-width:820px;
  margin:-44px auto 0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:0 24px 60px rgba(16,20,40,.10);
  padding:52px 56px 56px;
}
.article-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  border-radius:var(--r-md) var(--r-md) 0 0;
  background:var(--grad);opacity:.9;
}
.article-label{
  display:flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;color:var(--muted);
  letter-spacing:.08em;margin-bottom:26px;
}
.article-label::before{
  content:"";width:24px;height:3px;border-radius:3px;background:var(--grad);
}
.cms-content{font-size:16.5px;line-height:1.9;color:var(--text-2);}
.cms-content > *:first-child{margin-top:0;}
.cms-content p{margin:0 0 1.4em;}
.cms-content h2{
  position:relative;
  font-size:clamp(21px,2.2vw,27px);
  font-weight:800;color:var(--text);
  margin:2.1em 0 .8em;padding-left:16px;
}
.cms-content h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:4px;
  background:var(--grad);box-shadow:0 0 12px rgba(18,225,184,.5);
}
.cms-content h3{font-size:19.5px;font-weight:700;color:var(--text);margin:1.7em 0 .7em;}
.cms-content h4{font-size:17px;font-weight:700;color:var(--text);margin:1.4em 0 .6em;}
.cms-content ul,.cms-content ol{margin:0 0 1.4em;padding-left:1.5em;}
.cms-content ul li{position:relative;margin-bottom:.55em;padding-left:.2em;list-style:none;}
.cms-content ul li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;
  width:6px;height:6px;border-radius:2px;background:var(--grad);
}
.cms-content ol{list-style:decimal;}
.cms-content ol li{margin-bottom:.55em;}
.cms-content blockquote{
  margin:1.6em 0;padding:18px 24px;
  background:#F7F8FC;border-left:4px solid var(--a);
  border-radius:0 14px 14px 0;color:#4A5165;
}
.cms-content blockquote p:last-child{margin-bottom:0;}
.cms-content a{color:#0E9C81;border-bottom:1px solid rgba(18,225,184,.5);transition:color .2s ease,border-color .2s ease;}
.cms-content a:hover{color:var(--b);border-color:var(--b);}
.cms-content img{border-radius:16px;margin:1.6em auto;box-shadow:0 12px 30px rgba(16,20,40,.10);}
.cms-content figure{margin:1.7em 0;}
.cms-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.cms-content table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.cms-content thead{background:#F2F4FA;}
.cms-content th,.cms-content td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.cms-content tbody tr:nth-child(even){background:#FAFBFE;}
.cms-content tbody tr:last-child td{border-bottom:0;}
.cms-content hr{border:0;height:1px;background:var(--line);margin:2.2em 0;}
.cms-content code{
  background:#F2F4FA;border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:#3B2FA8;
}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:90;
  pointer-events:none;background:transparent;
}
.read-progress span{
  display:block;height:100%;width:0;
  background:var(--grad);box-shadow:0 0 14px rgba(18,225,184,.7);
  transition:width .12s linear;
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:36px 12px 20px;
}
.empty-state .empty-icon{
  width:72px;height:72px;margin:0 auto 20px;border-radius:20px;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);border:1px solid rgba(18,225,184,.28);
}
.empty-state h2{font-size:22px;font-weight:800;color:var(--text);margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:26px;}

/* ---------- 返回 / 相关入口 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:#0E9C81;
  letter-spacing:.1em;margin-bottom:14px;
}
.section-head .kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad);}
.section-head h2{font-size:clamp(23px,2.5vw,32px);font-weight:800;color:var(--text);margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8;}

.return-card{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 34px;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.return-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(106,76,255,.35);}
.return-card .rc-text h3{font-size:19px;font-weight:800;color:var(--text);margin-bottom:8px;}
.return-card .rc-text p{color:var(--muted);font-size:15px;line-height:1.8;max-width:62ch;}
.return-card .rc-action{flex:none;}

.rec-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);min-height:280px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.rec-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EDEFF6;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:700;line-height:1.55;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-body .rec-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.rec-body .rec-meta .arrow{color:#0E9C81;font-weight:700;}

/* ---------- CTA 条带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:
    radial-gradient(620px 320px at 8% -30%,rgba(18,225,184,.28),transparent 62%),
    radial-gradient(620px 360px at 96% 120%,rgba(106,76,255,.34),transparent 64%),
    var(--ink-900);
  border:1px solid var(--dark-line);
  padding:44px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;margin-bottom:10px;}
.cta-band p{color:#A9B1C4;font-size:15.5px;line-height:1.8;max-width:52ch;}
.cta-actions{display:flex;gap:14px;flex:none;}
.cta-badges{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(18,225,184,.30);
  font-size:13px;color:#DCE2EE;font-variant-numeric:tabular-nums;
}
.badge .b-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);flex:none;}
.badge b{color:#fff;font-weight:800;font-size:15px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-900);
  color:#A9B1C4;
  padding:64px 0 28px;
  margin-top:16px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);opacity:.85;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid var(--dark-line);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#8A92A6;max-width:40ch;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul li a,.footer-col ul li span{font-size:14.5px;color:#8A92A6;transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--a);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:#6D7488;
}
.fb-right{color:#5C6274;}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(6,8,14,.86);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(340px,86vw);
  background:#0E111B;
  border-left:1px solid var(--dark-line);
  padding:26px 22px;
  display:flex;flex-direction:column;gap:4px;
  transform:translateX(100%);
  transition:transform .32s cubic-bezier(.2,.8,.2,1);
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-close{
  align-self:flex-end;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--dark-line);background:rgba(255,255,255,.04);
  color:#E7E9F0;font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
}
.drawer-panel a.d-link{
  display:block;padding:14px 12px;border-radius:12px;
  color:#C9CEDA;font-size:16px;font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.drawer-panel a.d-link:hover{background:rgba(18,225,184,.10);color:#fff;transform:translateX(4px);}
.drawer-panel .d-cta{margin-top:22px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .btn-header{display:none;}
  .article-card{padding:40px 34px 44px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 34px;}
  .cta-actions{width:100%;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .article-hero{padding:24px 0 68px;}
  .article-card{
    margin-top:-36px;padding:30px 22px 34px;border-radius:var(--r-card);
  }
  .cms-content{font-size:16px;line-height:1.88;}
  .cms-content blockquote{padding:16px 18px;}
  .section{padding:62px 0;}
  .return-card{flex-direction:column;align-items:flex-start;padding:24px 22px;}
  .return-card .rc-action{width:100%;}
  .return-card .rc-action .btn{width:100%;}
  .rec-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;border-radius:var(--r-md);}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .announce{font-size:12px;line-height:1.6;padding:8px 14px;}
  .logo{font-size:16.5px;}
  .article-title{font-size:24px;line-height:1.42;}
  .article-card{padding:26px 18px 30px;}
  .meta-row{font-size:12.5px;gap:10px;}
  .crumb .current{max-width:22ch;}
  .section-head h2{font-size:22px;}
  .btn{height:46px;font-size:15px;}
}

/* roulang page: category1 */
:root{
  --brand-a:#12E1B8;
  --brand-b:#6A4CFF;
  --accent:#FF6A2B;
  --grad:linear-gradient(120deg,#12E1B8 0%,#6A4CFF 100%);
  --grad-soft:linear-gradient(120deg,rgba(18,225,184,.16) 0%,rgba(106,76,255,.16) 100%);
  --dark:#0B0D14;
  --dark-panel:#141826;
  --dark-line:rgba(255,255,255,.10);
  --bg:#F5F6FA;
  --card:#FFFFFF;
  --text:#1B1F2A;
  --muted:#616879;
  --line:#E7E9F0;
  --success:#17C964;
  --warn:#F5A524;
  --danger:#E5484D;
  --link:#0a8f76;
  --link-hover:#4b34c4;
  --r-sm:10px;
  --r-btn:12px;
  --r-card:20px;
  --r-lg:24px;
  --r-xl:28px;
  --shadow-card:0 8px 24px rgba(16,20,40,.06);
  --shadow-hover:0 18px 44px rgba(16,20,40,.12);
  --shadow-glow:0 0 0 1px rgba(18,225,184,.35),0 12px 32px rgba(106,76,255,.30);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
[id]{scroll-margin-top:110px}
:focus-visible{outline:2px solid var(--brand-a);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 顶部公告条 ---------- */
.topbar{background:#05060a;border-bottom:1px solid rgba(255,255,255,.06)}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:36px;font-size:13px;color:#9FB0C9}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-a);box-shadow:0 0 10px var(--brand-a);flex:0 0 auto}
.topbar-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:90}
.nav-bar{
  position:relative;
  background:rgba(11,13,20,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:box-shadow .3s ease;
}
.nav-bar::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--grad);opacity:0;transition:opacity .3s ease;
}
.site-header.is-scrolled .nav-bar{box-shadow:0 12px 34px rgba(4,6,14,.5)}
.site-header.is-scrolled .nav-bar::after{opacity:1}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:68px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;
  white-space:nowrap;flex:0 0 auto;
}
.logo-mark{
  width:12px;height:12px;border-radius:4px;background:var(--grad);
  box-shadow:0 0 14px rgba(18,225,184,.7);flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;
  padding:20px 14px;
  font-size:15px;font-weight:600;color:#C9CEDA;
  border-radius:10px;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:12px;height:2px;
  border-radius:2px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{
  color:#fff;
  background:rgba(18,225,184,.14);
  box-shadow:inset 0 0 0 1px rgba(18,225,184,.45),0 0 18px rgba(18,225,184,.18);
}
.nav-link.active::after{display:none}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.08);border-color:rgba(18,225,184,.45)}
.nav-toggle span{display:block;width:18px;height:2px;background:#E8ECF5;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#E8ECF5;border-radius:2px;
  transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 抽屉导航 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(9,11,18,.98);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  padding:96px 24px 32px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .32s cubic-bezier(.22,.61,.36,1);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-close{
  position:absolute;top:20px;right:20px;
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;
  color:#E8ECF5;font-size:20px;line-height:1;
}
.drawer-close:hover{background:rgba(255,255,255,.08)}
.drawer-links{display:flex;flex-direction:column;margin-bottom:28px}
.drawer-links a{
  padding:16px 4px;font-size:17px;font-weight:600;color:#C9CEDA;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-links a:hover,.drawer-links a.active{color:#fff;padding-left:10px}
.drawer-links a.active{
  background:linear-gradient(90deg,rgba(18,225,184,.16),transparent);
  box-shadow:inset 3px 0 0 0 var(--brand-a);
}
.drawer-cta{width:100%}
@media (min-width:1024px){.drawer{display:none}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,76,255,.28)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(106,76,255,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(106,76,255,.3)}
.btn-ghost{border:1px solid var(--line);background:#fff;color:var(--text)}
.btn-ghost:hover{background:rgba(18,225,184,.09);border-color:rgba(18,225,184,.5);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:#1B1F2A;box-shadow:0 12px 26px rgba(4,6,14,.18)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(4,6,14,.26)}
.btn-outline-light{border:1px solid rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;filter:none}

/* ---------- 页头带 ---------- */
.page-head{
  position:relative;
  min-height:258px;
  padding:44px 0 52px;
  background:linear-gradient(140deg,#0B0D14 0%,#141826 52%,#0d1020 100%);
  color:#fff;overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.2;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 340px at 12% 6%,rgba(18,225,184,.16),transparent 68%),
    radial-gradient(680px 360px at 88% 96%,rgba(106,76,255,.22),transparent 70%),
    linear-gradient(180deg,rgba(11,13,20,.2),rgba(11,13,20,.86));
}
.page-head .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.3)}
.breadcrumb .current{color:var(--brand-a)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:#BFF6EA;
  background:rgba(18,225,184,.12);
  border:1px solid rgba(18,225,184,.35);
  margin-bottom:16px;
}
.page-head h1{
  font-size:clamp(28px,3.6vw,44px);
  font-weight:900;letter-spacing:-.02em;
  max-width:880px;margin-bottom:16px;
}
.page-head .lead{
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.76);
  max-width:700px;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:44px;flex-wrap:wrap;
}
.section-eyebrow{
  display:inline-block;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--link);background:rgba(18,225,184,.12);
  border:1px solid rgba(18,225,184,.3);
  margin-bottom:14px;
}
.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:800}
.section-sub{color:var(--muted);font-size:16px;line-height:1.8;margin-top:12px;max-width:640px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--link);font-weight:700;font-size:15px;
  transition:color .2s ease,gap .2s ease;
}
.link-more:hover{color:var(--link-hover);gap:11px}
.link-more span{transition:transform .2s ease}

/* ---------- 概览 ---------- */
.overview{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.overview-text p{color:var(--muted);font-size:16.5px;line-height:1.9;margin-top:16px}
.overview-text p strong{color:var(--text);font-weight:700}
.overview-panel{
  position:relative;
  background:linear-gradient(150deg,#141826 0%,#0B0D14 100%);
  border:1px solid var(--dark-line);
  border-radius:var(--r-lg);
  padding:32px;
  color:#fff;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(11,13,20,.28);
}
.overview-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 240px at 90% 0%,rgba(106,76,255,.28),transparent 70%);
  pointer-events:none;
}
.overview-panel > *{position:relative;z-index:1}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.stat-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(18,225,184,.32);
  font-size:13px;color:#D5DAE6;
  box-shadow:0 12px 30px rgba(106,76,255,.16);
}
.stat-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-a);box-shadow:0 0 10px var(--brand-a);flex:0 0 auto}
.stat-badge .num{
  font-size:16px;font-weight:900;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.check-list li{
  position:relative;padding-left:22px;margin-bottom:12px;
  font-size:15px;line-height:1.8;color:#B7BFD0;
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:50%;
  background:var(--grad);
  box-shadow:0 0 10px rgba(18,225,184,.55);
}

/* ---------- 指引列表流 ---------- */
.guide-list{display:flex;flex-direction:column}
.guide-item{
  display:grid;grid-template-columns:38% 1fr;gap:36px;
  align-items:center;
  padding:36px 0;
  border-bottom:1px solid var(--line);
}
.guide-item:first-child{padding-top:0}
.guide-item:last-child{border-bottom:0;padding-bottom:0}
.guide-media{
  position:relative;
  aspect-ratio:4/3;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:#E9ECF4;
  box-shadow:var(--shadow-card);
}
.guide-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.guide-item:hover .guide-media img{transform:scale(1.04)}
.guide-body .tag{margin-bottom:14px}
.guide-title{font-size:21px;font-weight:800;margin-bottom:12px}
.guide-text{color:var(--muted);font-size:15.5px;line-height:1.88;margin-bottom:16px;max-width:640px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  color:var(--link);
  background:rgba(18,225,184,.12);
  border:1px solid rgba(18,225,184,.32);
}
.tag.purple{color:#4b34c4;background:rgba(106,76,255,.1);border-color:rgba(106,76,255,.28)}
.tag.orange{color:#c14a15;background:rgba(255,106,43,.1);border-color:rgba(255,106,43,.3)}

/* ---------- 分页占位 ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:52px;flex-wrap:wrap}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;color:var(--muted);
  font-size:14px;font-weight:700;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pager a:hover{border-color:rgba(18,225,184,.55);color:var(--text);transform:translateY(-2px)}
.pager .is-current{
  background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 12px 26px rgba(106,76,255,.28);
}
.pager .is-disabled{opacity:.45;cursor:not-allowed}
.pager .is-disabled:hover{transform:none;border-color:var(--line);color:var(--muted)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.step-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:nth-child(2){margin-top:24px}
.step-card:nth-child(3){margin-top:48px}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,225,184,.4)}
.step-num{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:900;color:#fff;
  background:var(--grad);
  box-shadow:0 10px 24px rgba(106,76,255,.3);
  margin-bottom:20px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.step-card p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:16px}

/* ---------- 状态记录 ---------- */
.status-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.status-row{
  display:flex;align-items:center;gap:16px;
  padding:20px 26px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  transition:background .2s ease;
}
.status-row:last-child{border-bottom:0}
.status-row:hover{background:#FAFBFD}
.status-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--success);box-shadow:0 0 10px rgba(23,201,100,.6);
  flex:0 0 auto;
}
.status-dot.warn{background:var(--warn);box-shadow:0 0 10px rgba(245,165,36,.6)}
.status-label{font-weight:700}
.status-text{color:var(--muted);font-size:14px}
.status-time{
  margin-left:auto;color:#9AA2B2;font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;align-items:start}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad);opacity:0;transition:opacity .24s ease;
}
.faq-item:hover{border-color:rgba(18,225,184,.4);box-shadow:var(--shadow-card)}
.faq-item.is-open{border-color:rgba(18,225,184,.5);box-shadow:0 12px 30px rgba(16,20,40,.08)}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;min-height:60px;
  text-align:left;font-size:16px;font-weight:700;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--link)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:#1B1F2A;border-radius:2px;
  transition:transform .26s ease,background .2s ease;
}
.faq-icon::before{left:0;right:0;top:7px;height:2px}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-item.is-open .faq-icon::before{background:var(--link)}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .28s ease;
}
.faq-a > div{overflow:hidden}
.faq-a p{
  padding:0 22px 20px;
  color:var(--muted);font-size:15px;line-height:1.85;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 96px}
.cta-band{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:46px 56px;
  border-radius:var(--r-xl);
  background:var(--grad);
  color:#fff;
  overflow:hidden;
  box-shadow:0 28px 70px rgba(106,76,255,.3);
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(360px 220px at 88% 10%,rgba(255,255,255,.26),transparent 70%),
    radial-gradient(320px 200px at 4% 100%,rgba(255,106,43,.28),transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-text h2{font-size:clamp(22px,2.3vw,30px);font-weight:900;margin-bottom:10px}
.cta-text p{font-size:15.5px;color:rgba(255,255,255,.9);max-width:520px}
.cta-mini-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.mini-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(11,13,20,.22);
  border:1px solid rgba(255,255,255,.34);
  font-size:12.5px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.mini-badge .dot{width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 8px rgba(255,255,255,.8)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.back-home{margin-top:22px;text-align:center}
.back-home a{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--muted);font-size:14px;font-weight:600;
  transition:color .2s ease,gap .2s ease;
}
.back-home a:hover{color:var(--link);gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--dark);
  color:#C9CEDA;
  padding:72px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;
  gap:40px;padding-bottom:52px;
}
.footer-brand .logo{font-size:20px;margin-bottom:18px}
.footer-brand p{color:#8E96A8;font-size:14px;line-height:1.9;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:20px}
.footer-col li{margin-bottom:13px;font-size:14px}
.footer-col a,.footer-col span{color:#9AA3B5;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#7A8296;flex-wrap:wrap;
}
.footer-bottom .fb-right{font-variant-numeric:tabular-nums}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn-sm{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .overview{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr;gap:18px}
  .step-card:nth-child(2),.step-card:nth-child(3){margin-top:0}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:38px 34px}
  .cta-wrap{padding-bottom:72px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .topbar-inner{font-size:12px}
  .nav-inner{min-height:62px;gap:14px}
  .logo{font-size:16.5px;gap:8px}
  .logo-mark{width:10px;height:10px;border-radius:3px}
  .page-head{min-height:0;padding:34px 0 40px}
  .page-head h1{font-size:26px}
  .page-head .lead{font-size:15px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .section-head{margin-bottom:30px}
  .guide-item{grid-template-columns:1fr;gap:20px;padding:28px 0}
  .guide-title{font-size:19px}
  .guide-media{aspect-ratio:16/10}
  .cta-band{padding:32px 22px;border-radius:22px;gap:26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .status-row{flex-wrap:wrap;gap:10px}
  .status-time{margin-left:0;width:100%}
  .pager{margin-top:36px}
}
@media (max-width:479px){
  .page-head h1{font-size:23px}
  .section-title{font-size:22px}
  .stat-badge{padding:8px 13px;font-size:12px}
  .stat-badge .num{font-size:15px}
  .btn{height:46px;padding:0 20px}
  .btn-sm{height:42px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand-a:#12E1B8;
  --brand-b:#6A4CFF;
  --accent:#FF6A2B;
  --ink:#0B0D14;
  --ink-panel:#141826;
  --ink-line:rgba(255,255,255,.10);
  --ink-text:#C9CEDA;
  --bg:#F5F6FA;
  --card:#FFFFFF;
  --text:#1B1F2A;
  --muted:#616879;
  --line:#E7E9F0;
  --ok:#17C964;
  --warn:#F5A524;
  --danger:#E5484D;
  --grad:linear-gradient(120deg,#12E1B8 0%,#6A4CFF 100%);
  --grad-soft:linear-gradient(120deg,rgba(18,225,184,.16) 0%,rgba(106,76,255,.16) 100%);
  --r-xs:10px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-2xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(16,20,40,.06);
  --sh-2:0 18px 44px rgba(16,20,40,.12);
  --glow:0 0 0 1px rgba(18,225,184,.35), 0 12px 32px rgba(106,76,255,.30);
  --sp-1:20px;
  --sp-2:28px;
  --sp-3:40px;
  --sec:104px;
  --max:1200px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.15em;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
:focus-visible{outline:2px solid var(--brand-a);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(106,76,255,.22);}
/* ============ 通用 ============ */
.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec) 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:var(--sp-3);
  flex-wrap:wrap;
}
.section-title{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.35;
}
.section-title .accent-line{
  display:block;
  width:56px;
  height:4px;
  border-radius:99px;
  background:var(--grad);
  margin-top:14px;
}
.section-lead{
  font-size:17px;
  color:var(--muted);
  line-height:1.8;
  max-width:640px;
  margin-top:14px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--brand-b);
  background:rgba(106,76,255,.08);
  border:1px solid rgba(106,76,255,.18);
  padding:5px 14px;
  border-radius:var(--r-pill);
}
.link-more{
  font-size:15px;
  font-weight:700;
  color:var(--brand-a);
  border-bottom:1px solid rgba(18,225,184,.5);
  padding-bottom:3px;
  transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--brand-b);border-color:rgba(106,76,255,.6);}
/* ============ 顶部公告条 ============ */
.announce{
  background:#080A10;
  border-bottom:1px solid var(--ink-line);
}
.announce-inner{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:36px;
  padding:6px 0;
  font-size:13px;
  color:#9FA6B8;
  flex-wrap:wrap;
}
.announce .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-a);
  box-shadow:0 0 10px rgba(18,225,184,.9);
  flex:none;
}
.announce strong{color:#EAF6F3;font-weight:700;}
/* ============ header / 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,13,20,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--ink-line);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:var(--grad);
  opacity:0;
  transition:opacity .25s ease;
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(0,0,0,.45);}
.site-header.is-scrolled::after{opacity:.9;}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:#FFFFFF;
  white-space:nowrap;
}
.logo-mark{
  width:28px;height:28px;flex:none;
  border-radius:9px;
  background:var(--grad);
  box-shadow:0 0 0 1px rgba(18,225,184,.4),0 8px 20px rgba(106,76,255,.45);
  position:relative;
}
.logo-mark::after{
  content:"";
  position:absolute;inset:8px;
  border-radius:4px;
  background:rgba(11,13,20,.85);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--ink-text);
  padding:8px 2px;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:99px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s ease;
  box-shadow:0 0 12px rgba(18,225,184,.8);
}
.nav-link:hover{color:#FFFFFF;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{
  color:#FFFFFF;
  background:rgba(18,225,184,.12);
  border-radius:var(--r-pill);
  padding:8px 16px;
  box-shadow:0 0 0 1px rgba(18,225,184,.35),0 8px 22px rgba(18,225,184,.18);
}
.nav-link.active::after{display:none;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--ink-line);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:99px;background:#E9EBF2;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  background:rgba(8,10,16,.98);
  backdrop-filter:blur(10px);
  z-index:120;
  padding:88px 24px 32px;
  display:flex;
  flex-direction:column;
  transform:translateY(-12px);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-drawer nav{display:flex;flex-direction:column;}
.mobile-drawer .nav-link{
  padding:18px 4px;
  font-size:17px;
  font-weight:700;
  color:#E7E9F0;
  border-bottom:1px solid var(--ink-line);
}
.mobile-drawer .nav-link.active{
  background:transparent;
  box-shadow:none;
  padding-left:0;
  color:var(--brand-a);
}
.mobile-drawer .drawer-cta{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
.drawer-close{
  position:absolute;top:20px;right:24px;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--ink-line);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;
}
.drawer-close:hover{background:rgba(255,255,255,.06);}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:700;
  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:var(--grad);
  color:#08111A;
  box-shadow:0 10px 26px rgba(106,76,255,.32);
}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:0 16px 38px rgba(106,76,255,.5),0 0 0 1px rgba(18,225,184,.5);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  border:1px solid rgba(106,76,255,.45);
  color:var(--text);
  background:#fff;
}
.btn-ghost:hover{
  background:rgba(18,225,184,.10);
  border-color:rgba(18,225,184,.6);
  transform:translateY(-2px);
}
.btn-outline-light{
  border:1px solid rgba(255,255,255,.28);
  color:#FFFFFF;
  background:transparent;
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.10);
  border-color:rgba(18,225,184,.7);
  transform:translateY(-2px);
}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled,.btn[aria-disabled="true"]{
  opacity:.5;
  cursor:not-allowed;
  transform:none!important;
  box-shadow:none;
}
/* ============ 数据徽章 ============ */
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.data-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 16px 9px 12px;
  border-radius:var(--r-pill);
  background:var(--ink-panel);
  border:1px solid var(--ink-line);
  color:#DCE0EA;
  font-size:13px;
  line-height:1.2;
  box-shadow:0 0 0 1px rgba(18,225,184,.12);
}
.data-badge .bdot{
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-a);
  box-shadow:0 0 10px rgba(18,225,184,.9);
  flex:none;
}
.data-badge .bnum{
  font-size:18px;
  font-weight:900;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.data-badge .blabel{color:#9FA6B8;}
.data-badge.light{
  background:#FFFFFF;
  border:1px solid var(--line);
  color:var(--text);
  box-shadow:var(--sh-1);
}
.data-badge.light .blabel{color:var(--muted);}
/* ============ 分类页头带 ============ */
.page-hero{
  background:
    radial-gradient(1100px 420px at 12% -10%,rgba(18,225,184,.16),transparent 60%),
    radial-gradient(900px 420px at 92% 0%,rgba(106,76,255,.22),transparent 62%),
    #0B0D14;
  padding:48px 0 56px;
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#8A91A4;
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:#9FA6B8;transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-a);}
.breadcrumb .sep{color:#4C5366;}
.breadcrumb .current{color:var(--brand-a);font-weight:600;}
.hero-banner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-2xl);
  border:1px solid var(--ink-line);
  min-height:280px;
  aspect-ratio:16/7;
  max-height:440px;
  box-shadow:0 30px 70px rgba(0,0,0,.45);
}
.hero-banner img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(8,10,18,.94) 0%,rgba(8,10,18,.78) 42%,rgba(8,10,18,.30) 100%);
}
.hero-banner-content{
  position:relative;
  z-index:3;
  padding:44px clamp(24px,4vw,56px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  min-height:280px;
  max-width:760px;
}
.hero-banner h1{
  font-size:clamp(28px,3.6vw,46px);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.24;
  color:#FFFFFF;
  margin:16px 0 14px;
}
.hero-banner .hero-lead{
  font-size:17px;
  line-height:1.75;
  color:#C3C9D8;
  max-width:600px;
}
.hero-banner .badge-row{margin-top:24px;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(18,225,184,.14);
  border:1px solid rgba(18,225,184,.4);
  color:#7FF3DB;
  font-size:13px;
  font-weight:700;
  width:fit-content;
}
/* ============ 栏目网格（错位两列） ============ */
.stagger-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
  align-items:start;
}
.stagger-col{display:flex;flex-direction:column;gap:28px;}
.stagger-offset{margin-top:32px;}
.topic-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;
  flex-direction:column;
  min-height:100%;
}
.topic-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(106,76,255,.28);
}
.topic-media{
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(120deg,#E9ECF5,#F5F6FA);
}
.topic-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.topic-card:hover .topic-media img{transform:scale(1.04);}
.topic-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  background:rgba(106,76,255,.10);
  color:var(--brand-b);
  border:1px solid rgba(106,76,255,.18);
  width:fit-content;
}
.tag.teal{background:rgba(18,225,184,.12);color:#0E9C81;border-color:rgba(18,225,184,.28);}
.tag.orange{background:rgba(255,106,43,.10);color:#D9531A;border-color:rgba(255,106,43,.24);}
.topic-body h3{
  font-size:19px;
  font-weight:700;
  line-height:1.5;
  letter-spacing:-.01em;
}
.topic-body p{
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
}
.topic-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#8A91A4;
}
/* ============ 时间线（推送节奏） ============ */
.timeline-section{
  background:#0B0D14;
  color:#E7E9F0;
  position:relative;
  overflow:hidden;
}
.timeline-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(760px 360px at 82% 0%,rgba(106,76,255,.26),transparent 62%),
             radial-gradient(620px 320px at 6% 100%,rgba(18,225,184,.18),transparent 60%);
  pointer-events:none;
}
.timeline-section .container{position:relative;z-index:2;}
.timeline-section .section-title{color:#FFFFFF;}
.timeline-section .section-lead{color:#9FA6B8;}
.timeline-section .eyebrow{
  color:#7FF3DB;
  background:rgba(18,225,184,.10);
  border-color:rgba(18,225,184,.30);
}
.timeline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  position:relative;
}
.timeline::before{
  content:"";
  position:absolute;
  top:34px;left:6%;right:6%;
  height:2px;
  background:linear-gradient(90deg,rgba(18,225,184,.65),rgba(106,76,255,.65));
  opacity:.5;
}
.tl-item{
  position:relative;
  background:rgba(20,24,38,.78);
  border:1px solid var(--ink-line);
  border-radius:var(--r-xl);
  padding:28px 22px 26px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tl-item:hover{
  transform:translateY(-4px);
  border-color:rgba(18,225,184,.45);
  box-shadow:var(--glow);
}
.tl-time{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--grad);
  color:#08111A;
  font-size:14px;
  font-weight:900;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 20px rgba(106,76,255,.4);
}
.tl-item h3{
  font-size:18px;
  font-weight:700;
  color:#FFFFFF;
  margin:18px 0 10px;
}
.tl-item p{font-size:14.5px;color:#9FA6B8;line-height:1.8;}
/* ============ 场景价值（左文右图） ============ */
.value-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.value-list{
  list-style:none;
  padding:0;
  margin:28px 0 0;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.value-list li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  font-size:15.5px;
  line-height:1.8;
  color:var(--muted);
}
.value-list li strong{color:var(--text);font-weight:700;}
.check{
  flex:none;
  width:24px;height:24px;
  border-radius:8px;
  background:rgba(18,225,184,.14);
  border:1px solid rgba(18,225,184,.4);
  display:flex;align-items:center;justify-content:center;
  margin-top:4px;
}
.check::after{
  content:"";
  width:8px;height:8px;
  border-radius:2px;
  background:var(--grad);
}
.value-figure{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  aspect-ratio:4/3;
}
.value-figure img{width:100%;height:100%;object-fit:cover;}
.value-float{
  position:absolute;
  left:18px;
  bottom:18px;
  background:rgba(11,13,20,.92);
  border:1px solid var(--ink-line);
  border-radius:var(--r-md);
  padding:14px 16px;
  color:#E7E9F0;
  display:flex;
  align-items:center;
  gap:12px;
  box-shadow:0 18px 40px rgba(0,0,0,.4);
}
.value-float .status-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 10px rgba(23,201,100,.9);
}
.value-float span{font-size:13px;color:#C3C9D8;}
/* ============ 索引网格 ============ */
.index-section{
  background:
    linear-gradient(180deg,rgba(245,246,250,0) 0%,rgba(245,246,250,1) 100%),
    #FFFFFF;
}
.index-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.index-item{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 22px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.index-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(106,76,255,.3);
}
.index-num{
  font-size:13px;
  font-weight:900;
  color:var(--brand-b);
  letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.index-item h3{
  font-size:17px;
  font-weight:700;
  margin:12px 0 8px;
}
.index-item p{font-size:14px;color:var(--muted);line-height:1.8;}
/* ============ FAQ ============ */
.faq-section{background:var(--bg);}
.faq-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px 24px;
  max-width:1120px;
}
.faq-item{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
  align-self:start;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item[open]{
  border-color:rgba(106,76,255,.3);
  box-shadow:var(--sh-1);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  min-height:60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  font-size:16px;
  font-weight:700;
  line-height:1.6;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--grad);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .22s ease;
}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-icon{
  flex:none;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  position:relative;
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand-b);
  border-radius:2px;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:transform .22s ease,opacity .22s ease;}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:rgba(18,225,184,.5);background:rgba(18,225,184,.08);}
.faq-item[open] .faq-icon::before,
.faq-item[open] .faq-icon::after{background:var(--brand-a);}
.faq-answer{
  padding:0 22px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
  animation:fadeIn .22s ease-out;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}
/* ============ CTA 条带 ============ */
.cta-section{padding:0 0 88px;}
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-2xl);
  padding:44px clamp(24px,4vw,56px);
  background:linear-gradient(120deg,#0E1424 0%,#141A2E 48%,#1A1440 100%);
  border:1px solid var(--ink-line);
  color:#FFFFFF;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:0 26px 60px rgba(16,20,40,.28);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(620px 300px at 88% 10%,rgba(18,225,184,.24),transparent 62%),
             radial-gradient(520px 260px at 8% 96%,rgba(106,76,255,.32),transparent 60%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.4;
}
.cta-band p{font-size:15.5px;color:#A9B0C2;margin-top:10px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.back-home{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:26px;
  font-size:14.5px;
  color:var(--muted);
}
.back-home a{
  color:var(--brand-b);
  font-weight:700;
  border-bottom:1px solid rgba(106,76,255,.4);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.back-home a:hover{color:var(--brand-a);border-color:rgba(18,225,184,.6);}
/* ============ 分页 / 加载更多 ============ */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-top:48px;
  flex-wrap:wrap;
}
.pager a,.pager span,.pager button{
  min-width:44px;
  height:44px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#FFFFFF;
  color:var(--text);
  font-size:14.5px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.pager a:hover,.pager button:hover{
  transform:translateY(-2px);
  border-color:rgba(106,76,255,.4);
  box-shadow:0 12px 26px rgba(16,20,40,.10);
}
.pager .is-current{
  background:var(--grad);
  color:#08111A;
  border-color:transparent;
  box-shadow:0 10px 24px rgba(106,76,255,.35);
}
.pager .is-disabled{opacity:.45;cursor:not-allowed;}
.load-more-wrap{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:40px;}
.load-more-hint{font-size:13px;color:#8A91A4;}
/* ============ 页脚 ============ */
.site-footer{
  background:#0B0D14;
  color:#9FA6B8;
  position:relative;
  padding:72px 0 0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--grad);
  opacity:.85;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#8A91A4;max-width:340px;}
.footer-col h4{
  font-size:14px;
  font-weight:800;
  color:#FFFFFF;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:14px;color:#9FA6B8;transition:color .2s ease;}
.footer-col a:hover{color:var(--brand-a);}
.footer-bottom{
  border-top:1px solid var(--ink-line);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#6C7488;
}
.fb-right{color:#6C7488;}
/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sec:88px;}
  .value-grid{gap:40px;}
  .index-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  :root{--sec:76px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{gap:16px;min-height:66px;}
  .nav-actions .btn{display:none;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline::before{display:none;}
  .stagger-grid{grid-template-columns:1fr;}
  .stagger-offset{margin-top:0;}
  .value-grid{grid-template-columns:1fr;}
  .faq-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-band{padding:36px 28px;}
  .hero-banner{aspect-ratio:auto;min-height:320px;max-height:none;}
}
@media (max-width:767px){
  :root{--sec:60px;}
  .container{padding:0 18px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:28px;}
  .page-hero{padding:32px 0 40px;}
  .hero-banner-content{padding:28px 22px;min-height:0;}
  .hero-banner{min-height:0;}
  .hero-banner::after{background:linear-gradient(180deg,rgba(8,10,18,.9) 0%,rgba(8,10,18,.82) 60%,rgba(8,10,18,.9) 100%);}
  .hero-banner h1{font-size:clamp(24px,6.4vw,32px);}
  .timeline{grid-template-columns:1fr;}
  .index-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .value-float{left:12px;right:12px;bottom:12px;}
  .section-title .accent-line{width:44px;}
}
@media (max-width:479px){
  body{font-size:15.5px;}
  .logo{font-size:16px;}
  .logo-mark{width:24px;height:24px;}
  .logo-mark::after{inset:7px;}
  .btn{height:46px;padding:0 20px;}
  .topic-body{padding:20px 18px 22px;}
  .data-badge{font-size:12px;padding:8px 14px 8px 10px;}
  .data-badge .bnum{font-size:16px;}
  .pager a,.pager span,.pager button{min-width:40px;height:40px;padding:0 14px;}
}