/* roulang page: index */
:root{
  --c-ink:#1C1630;
  --c-brand-900:#241B3A;
  --c-brand-700:#4B2E83;
  --c-brand-500:#7B5CFA;
  --c-brand-300:#C9B8FF;
  --c-accent-500:#2FD3C4;
  --c-accent-600:#17B8AA;
  --c-warm-500:#F4B740;
  --c-bg:#F7F5FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F0EDF9;
  --c-text:#241E33;
  --c-muted:#6F6882;
  --c-line:#E6E1F2;
  --c-success:#2FA36B;
  --c-danger:#E05A4F;
  --grad:linear-gradient(135deg,#4B2E83 0%,#7B5CFA 52%,#2FD3C4 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-sm:0 4px 14px rgba(36,27,58,.06);
  --shadow-md:0 12px 32px rgba(36,27,58,.10);
  --shadow-lg:0 24px 64px rgba(36,27,58,.14);
  --font-display:"Noto Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:1rem;line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand-700);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--c-accent-600);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(47,211,196,.75);outline-offset:2px;border-radius:6px;
}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--c-brand-900);margin:0;}
h1{font-size:clamp(2.25rem,5vw,3.75rem);font-weight:800;line-height:1.15;letter-spacing:.5px;}
h2{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;line-height:1.25;}
h3{font-size:1.375rem;font-weight:700;line-height:1.4;}
h4{font-size:1.125rem;font-weight:600;line-height:1.5;}
p{margin:0 0 1rem;}
p:last-child{margin-bottom:0;}

.container{
  width:100%;max-width:var(--container);
  margin:0 auto;padding:0 20px;
}
.row{max-width:var(--container);}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--c-surface);}
.section--tint{background:var(--c-surface-2);}
.section--dark{background:var(--c-brand-900);}

.section-head{max-width:760px;margin:0 auto 48px;text-align:center;}
.section-head--left{margin-left:0;text-align:left;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:2px;
  color:var(--c-brand-700);text-transform:uppercase;
  background:rgba(123,92,250,.10);
  border:1px solid rgba(123,92,250,.20);
  padding:6px 16px;border-radius:var(--radius-pill);
  margin-bottom:18px;
}
.section-sub{color:var(--c-muted);font-size:1.0625rem;margin-top:14px;line-height:1.85;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,252,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand__mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1rem;box-shadow:var(--shadow-sm);
  position:relative;overflow:hidden;
}
.brand__mark::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 26% 28%, rgba(255,255,255,.85) 0 1.5px, transparent 2px),
    radial-gradient(circle at 68% 62%, rgba(255,255,255,.7) 0 1.2px, transparent 1.8px),
    radial-gradient(circle at 44% 78%, rgba(255,255,255,.6) 0 1px, transparent 1.6px);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-family:var(--font-display);font-size:1.0625rem;font-weight:800;color:var(--c-brand-900);letter-spacing:.4px;}
.brand__sub{font-size:.6875rem;color:var(--c-muted);letter-spacing:2px;}

.nav-links{display:flex;align-items:center;gap:6px;list-style:none;}
.nav-links a{
  display:inline-block;
  padding:9px 16px;border-radius:var(--radius-pill);
  font-size:.9375rem;font-weight:500;color:var(--c-text);
  transition:background .22s ease,color .22s ease;
}
.nav-links a:hover{background:rgba(123,92,250,.10);color:var(--c-brand-700);}
.nav-links a.is-active{background:rgba(123,92,250,.14);color:var(--c-brand-700);font-weight:700;}

.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-pill);
  font-size:.9375rem;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  text-align:center;white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-md);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);filter:brightness(1.03);color:#fff;}
.btn--primary:active{transform:translateY(0) scale(.98);}
.btn--outline{background:#fff;border-color:var(--c-brand-500);color:var(--c-brand-700);}
.btn--outline:hover{background:var(--c-surface-2);color:var(--c-brand-700);transform:translateY(-2px);}
.btn--outline:active{transform:translateY(0) scale(.98);}
.btn--ghost{background:transparent;color:var(--c-brand-700);border:none;padding:10px 12px;}
.btn--ghost:hover{background:rgba(123,92,250,.10);color:var(--c-brand-700);}
.btn--light{background:#fff;color:var(--c-brand-700);box-shadow:var(--shadow-sm);}
.btn--light:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--c-brand-700);}
.btn--lg{padding:16px 34px;font-size:1rem;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-brand-700);
  font-size:1.125rem;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--c-surface-2);}

.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(88vw,360px);
  background:#fff;z-index:120;
  transform:translateX(102%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;
  box-shadow:-18px 0 48px rgba(36,27,58,.18);
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer__head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px;border-bottom:1px solid var(--c-line);
}
.mobile-drawer__body{padding:16px 20px 24px;flex:1;overflow-y:auto;}
.mobile-drawer__nav{list-style:none;display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.mobile-drawer__nav a{
  display:block;padding:14px 16px;border-radius:var(--radius-sm);
  font-size:1rem;font-weight:600;color:var(--c-text);background:var(--c-bg);
}
.mobile-drawer__nav a.is-active{background:rgba(123,92,250,.14);color:var(--c-brand-700);}
.mobile-drawer__foot{display:flex;flex-direction:column;gap:10px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-bg);color:var(--c-muted);cursor:pointer;font-size:1rem;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,22,48,.5);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:110;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--c-brand-900);
  background-image:
    radial-gradient(2px 2px at 12% 22%, rgba(255,255,255,.12), transparent 60%),
    radial-gradient(2px 2px at 28% 68%, rgba(255,255,255,.10), transparent 60%),
    radial-gradient(1.6px 1.6px at 46% 34%, rgba(201,184,255,.12), transparent 60%),
    radial-gradient(1.8px 1.8px at 62% 76%, rgba(255,255,255,.10), transparent 60%),
    radial-gradient(1.6px 1.6px at 78% 24%, rgba(47,211,196,.12), transparent 60%),
    radial-gradient(1.4px 1.4px at 90% 58%, rgba(255,255,255,.09), transparent 60%),
    linear-gradient(160deg,#241B3A 0%,#2C2148 56%,#241B3A 100%);
  color:#fff;
  padding:84px 0 96px;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-160px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(123,92,250,.30) 0%,rgba(47,211,196,.10) 46%,transparent 70%);
  pointer-events:none;
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2;}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.8125rem;letter-spacing:1.6px;font-weight:700;
  color:var(--c-brand-300);
  background:rgba(123,92,250,.20);
  border:1px solid rgba(201,184,255,.28);
  padding:8px 18px;border-radius:var(--radius-pill);margin-bottom:26px;
}
.hero__eyebrow i{color:var(--c-warm-500);}
.hero h1{color:#fff;margin-bottom:22px;}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#C9B8FF 0%,#2FD3C4 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{
  font-size:1.0625rem;line-height:1.9;color:rgba(233,229,245,.86);
  max-width:560px;margin-bottom:32px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero__actions .btn--outline{background:rgba(255,255,255,.06);border-color:rgba(201,184,255,.55);color:#EDE9F9;}
.hero__actions .btn--outline:hover{background:rgba(255,255,255,.14);color:#fff;}
.hero__notes{display:flex;flex-wrap:wrap;gap:22px;font-size:.875rem;color:rgba(233,229,245,.72);}
.hero__notes span{display:inline-flex;align-items:center;gap:8px;}
.hero__notes i{color:var(--c-accent-500);}

.hero__visual{position:relative;}
.hero__visual img{
  width:100%;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(201,184,255,.22);
  object-fit:cover;aspect-ratio:16/11;
}
.hero__flash{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border-radius:var(--radius-md);
  padding:16px 20px;box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:14px;max-width:280px;
}
.hero__flash i{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1rem;
}
.hero__flash strong{display:block;font-size:.9375rem;color:var(--c-brand-900);font-family:var(--font-display);}
.hero__flash span{font-size:.8125rem;color:var(--c-muted);}

/* ============ 数据徽章 ============ */
.stats-band{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:34px 0;
}
.stat{
  background:var(--c-bg);
  border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:20px 22px;
}
.stat__num{
  font-family:var(--font-display);font-size:clamp(1.75rem,2.6vw,2rem);
  font-weight:800;color:var(--c-brand-700);line-height:1.1;
}
.stat__num small{font-size:.875rem;color:var(--c-muted);font-weight:600;margin-left:4px;}
.stat__label{font-size:.8125rem;color:var(--c-muted);margin-top:6px;letter-spacing:.5px;}

/* ============ 时间线 ============ */
.timeline{list-style:none;position:relative;padding:8px 0;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(123,92,250,.06),rgba(123,92,250,.42),rgba(47,211,196,.10));
  transform:translateX(-50%);
}
.timeline__item{position:relative;width:50%;padding:0 46px 30px 0;}
.timeline__item:nth-child(even){margin-left:50%;padding:0 0 30px 46px;}
.timeline__item::after{
  content:"";position:absolute;top:30px;right:-7px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--c-brand-500);
  box-shadow:0 0 0 5px rgba(123,92,250,.12);z-index:3;
}
.timeline__item:nth-child(even)::after{right:auto;left:-7px;border-color:var(--c-accent-500);box-shadow:0 0 0 5px rgba(47,211,196,.14);}
.timeline__card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:26px 28px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.timeline__card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(123,92,250,.35);}
.timeline__card h3{margin:14px 0 10px;font-size:1.25rem;}
.timeline__card p{color:var(--c-muted);font-size:.9375rem;line-height:1.85;margin-bottom:14px;}
.timeline__meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.8125rem;color:var(--c-muted);}
.timeline__meta i{color:var(--c-brand-500);margin-right:5px;}
.timeline__item:nth-child(even) .timeline__meta i{color:var(--c-accent-600);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.8125rem;font-weight:700;letter-spacing:.4px;
  padding:5px 14px;border-radius:var(--radius-pill);
}
.badge--time{background:rgba(123,92,250,.12);color:var(--c-brand-700);}
.badge--accent{background:rgba(47,211,196,.14);color:var(--c-accent-600);}
.badge--warm{background:rgba(244,183,64,.18);color:#9A6A00;}
.badge--soft{background:var(--c-surface-2);color:var(--c-muted);}

.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
.tag{
  font-size:.8125rem;color:var(--c-brand-700);
  background:rgba(123,92,250,.08);
  border:1px solid rgba(123,92,250,.16);
  padding:4px 12px;border-radius:var(--radius-pill);
}

/* ============ 嘉宾 ============ */
.speaker-featured{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:28px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.speaker-featured:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.speaker-featured__img{height:100%;}
.speaker-featured__img img{width:100%;height:100%;object-fit:cover;min-height:320px;}
.speaker-featured__body{padding:40px 40px;display:flex;flex-direction:column;justify-content:center;}
.speaker-featured__body h3{font-size:1.625rem;margin:14px 0 8px;}
.speaker-featured__role{font-size:.9375rem;color:var(--c-brand-500);font-weight:700;margin-bottom:14px;}
.speaker-featured__body p{color:var(--c-muted);font-size:.9375rem;line-height:1.85;}

.speaker-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.speaker-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.speaker-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.speaker-card__img{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.speaker-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.speaker-card:hover .speaker-card__img img{transform:scale(1.05);}
.speaker-card__body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column;}
.speaker-card__body h3{font-size:1.125rem;margin-bottom:6px;}
.speaker-card__role{font-size:.8125rem;color:var(--c-muted);margin-bottom:12px;}
.speaker-card__body p{font-size:.875rem;color:var(--c-muted);line-height:1.8;margin-bottom:14px;}

/* ============ 票种 ============ */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch;}
.ticket{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-lg);padding:34px 30px 32px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.ticket:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.ticket--featured{
  border:2px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--grad) border-box;
  transform:scale(1.03);box-shadow:var(--shadow-lg);z-index:2;
}
.ticket--featured:hover{transform:scale(1.03) translateY(-4px);}
.ticket__flag{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--c-warm-500);color:#3A2A00;
  font-size:.8125rem;font-weight:800;letter-spacing:1px;
  padding:6px 18px;border-radius:var(--radius-pill);
  box-shadow:0 8px 20px rgba(244,183,64,.34);white-space:nowrap;
}
.ticket__name{font-family:var(--font-display);font-size:1.375rem;font-weight:700;color:var(--c-brand-900);}
.ticket__desc{font-size:.875rem;color:var(--c-muted);margin-top:8px;min-height:44px;}
.ticket__price{
  font-family:var(--font-display);font-size:2.25rem;font-weight:800;color:var(--c-brand-700);
  margin:18px 0 4px;line-height:1;
}
.ticket__price small{font-size:.875rem;color:var(--c-muted);font-weight:600;margin-left:6px;}
.ticket__price-note{font-size:.8125rem;color:var(--c-muted);margin-bottom:18px;}
.ticket__list{list-style:none;margin:0 0 26px;flex:1;}
.ticket__list li{
  position:relative;padding-left:26px;margin-bottom:12px;
  font-size:.9375rem;color:var(--c-text);line-height:1.7;
}
.ticket__list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;font-size:.75rem;color:var(--c-accent-600);
}
.ticket__list li.is-off{color:#A9A2BC;}
.ticket__list li.is-off::before{content:"\f00d";color:#C6C0D8;}
.ticket__split{height:1px;background:var(--c-line);margin:0 0 22px;}

/* ============ 报名表单 ============ */
.signup{background:var(--c-brand-900);position:relative;overflow:hidden;}
.signup::before{
  content:"";position:absolute;left:-140px;bottom:-140px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(47,211,196,.22),transparent 70%);pointer-events:none;
}
.signup__grid{display:grid;grid-template-columns:1fr 1.05fr;gap:52px;align-items:start;position:relative;z-index:2;}
.signup__intro h2{color:#fff;}
.signup__intro .section-tag{background:rgba(123,92,250,.24);border-color:rgba(201,184,255,.3);color:var(--c-brand-300);}
.signup__intro p{color:rgba(233,229,245,.82);font-size:.9375rem;line-height:1.9;}
.signup__list{list-style:none;margin:26px 0 0;}
.signup__list li{
  display:flex;gap:12px;align-items:flex-start;
  color:rgba(233,229,245,.86);font-size:.9375rem;margin-bottom:14px;line-height:1.7;
}
.signup__list i{color:var(--c-accent-500);margin-top:6px;}

.form-card{
  background:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.form-card__bar{height:4px;background:var(--grad);}
.form-card__body{padding:34px 34px 36px;}
.form-card__body h3{font-size:1.25rem;margin-bottom:6px;}
.form-card__hint{font-size:.875rem;color:var(--c-muted);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.875rem;font-weight:600;color:var(--c-brand-900);margin-bottom:7px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select{
  width:100%;height:48px;padding:0 16px;
  font-size:.9375rem;font-family:inherit;color:var(--c-text);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%236F6882'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:20px;padding-right:40px;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--c-brand-500);
  box-shadow:0 0 0 3px rgba(47,211,196,.35);
}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;}
.check-line{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px;}
.check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-brand-500);flex-shrink:0;}
.check-line span{font-size:.8125rem;color:var(--c-muted);line-height:1.7;}
.form-note{font-size:.8125rem;color:var(--c-muted);margin-top:14px;text-align:center;}

/* ============ 最新信息 ============ */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(123,92,250,.3);}
.news-card__img{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.news-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-card__img img{transform:scale(1.05);}
.news-card__body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.news-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.news-card__date{font-size:.8125rem;color:var(--c-muted);}
.news-card__title{font-size:1.125rem;line-height:1.5;margin-bottom:12px;}
.news-card__title a{color:var(--c-brand-900);}
.news-card__title a:hover{color:var(--c-brand-500);}
.news-card__excerpt{
  font-size:.875rem;color:var(--c-muted);line-height:1.8;margin-bottom:18px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__more{font-size:.875rem;font-weight:700;color:var(--c-brand-500);display:inline-flex;align-items:center;gap:6px;}
.news-card__more:hover{color:var(--c-accent-600);gap:10px;}

.empty-state{
  background:#fff;border:1px dashed rgba(123,92,250,.4);border-radius:var(--radius-lg);
  padding:56px 24px;text-align:center;color:var(--c-muted);
}
.empty-state i{font-size:2rem;color:var(--c-brand-300);display:block;margin-bottom:14px;}
.empty-state a{font-weight:700;color:var(--c-brand-500);}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-wrap .accordion{border:none;background:transparent;margin:0;}
.faq-wrap .accordion .accordion-item{
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-md) !important;
  margin-bottom:12px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-wrap .accordion .accordion-item.is-active{border-color:rgba(123,92,250,.4);box-shadow:var(--shadow-md);}
.faq-wrap .accordion .accordion-title{
  border:none;background:transparent;
  padding:20px 56px 20px 24px;
  font-size:1rem;font-weight:700;color:var(--c-brand-900);
  font-family:var(--font-sans);line-height:1.6;
}
.faq-wrap .accordion .accordion-title:hover{background:rgba(123,92,250,.05);color:var(--c-brand-700);}
.faq-wrap .accordion .accordion-item.is-active .accordion-title{color:var(--c-brand-700);}
.faq-wrap .accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:.8125rem;color:var(--c-brand-500);
  transition:transform .25s ease,color .25s ease;
  margin:0;
}
.faq-wrap .accordion .accordion-item.is-active .accordion-title::before{
  content:"\f068";color:var(--c-accent-600);transform:translateY(-50%) rotate(180deg);
}
.faq-wrap .accordion .accordion-content{
  border:none;border-top:1px solid var(--c-line);background:#fff;
  padding:20px 24px 24px;font-size:.9375rem;line-height:1.85;color:var(--c-muted);
}

/* ============ 结尾 CTA ============ */
.final-cta{
  background:var(--grad);border-radius:var(--radius-lg);
  padding:56px 52px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-lg);
}
.final-cta h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:12px;}
.final-cta p{color:rgba(255,255,255,.9);font-size:.9375rem;max-width:560px;}
.final-cta__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#E9E5F5;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand__mark{box-shadow:none;}
.footer-brand .brand__name{color:#fff;}
.footer-brand .brand__sub{color:rgba(233,229,245,.55);}
.footer-desc{font-size:.875rem;line-height:1.9;color:rgba(233,229,245,.66);max-width:320px;}
.footer-col h4{color:#fff;font-size:.9375rem;font-family:var(--font-sans);font-weight:700;letter-spacing:1px;margin-bottom:18px;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:12px;}
.footer-col a,.footer-col span{font-size:.875rem;color:rgba(233,229,245,.68);}
.footer-col a:hover{color:var(--c-accent-500);}
.footer-bottom{
  border-top:1px solid rgba(233,229,245,.14);
  padding:24px 0;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
}
.footer-bottom p,.footer-bottom a{font-size:.8125rem;color:rgba(233,229,245,.55);}

.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  height:56px;background:rgba(28,22,48,.97);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-top:1px solid rgba(201,184,255,.2);
  align-items:center;padding:0 14px;gap:10px;
}
.mobile-bar .btn{flex:1;padding:10px 12px;font-size:.875rem;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn--outline{display:none;}
  .hero__grid{grid-template-columns:1fr;gap:44px;}
  .hero__lead{max-width:100%;}
  .speaker-grid{grid-template-columns:repeat(2,1fr);}
  .ticket-grid{grid-template-columns:1fr;gap:34px;}
  .ticket--featured{transform:none;}
  .ticket--featured:hover{transform:translateY(-4px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .speaker-featured{grid-template-columns:1fr;}
  .speaker-featured__img img{min-height:260px;}
  .signup__grid{grid-template-columns:1fr;gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:768px){
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .stats-grid{grid-template-columns:1fr 1fr;padding:26px 0;}
  .timeline::before{left:9px;}
  .timeline__item,
  .timeline__item:nth-child(even){width:100%;margin-left:0;padding:0 0 26px 34px;}
  .timeline__item::after,
  .timeline__item:nth-child(even)::after{left:3px;right:auto;}
  .speaker-grid{grid-template-columns:1fr;}
  .speaker-featured__body{padding:28px 24px;}
  .news-grid{grid-template-columns:1fr;}
  .field-grid{grid-template-columns:1fr;}
  .final-cta{padding:40px 26px;}
  .hero{padding:60px 0 68px;}
  .hero__flash{left:12px;right:12px;bottom:12px;max-width:none;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:56px;}
  .faq-wrap .accordion .accordion-title{font-size:.9375rem;padding:18px 48px 18px 18px;}
}
@media screen and (max-width:520px){
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .brand__name{font-size:.9375rem;}
  .form-card__body{padding:26px 20px 28px;}
  .ticket{padding:28px 22px;}
}

/* roulang page: article */
:root{
  --c-ink:#1C1630;
  --c-brand-900:#241B3A;
  --c-brand-700:#4B2E83;
  --c-brand-500:#7B5CFA;
  --c-brand-300:#C9B8FF;
  --c-accent-500:#2FD3C4;
  --c-accent-600:#17B8AA;
  --c-warm-500:#F4B740;
  --c-bg:#F7F5FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F0EDF9;
  --c-text:#241E33;
  --c-muted:#6F6882;
  --c-line:#E6E1F2;
  --c-success:#2FA36B;
  --c-danger:#E05A4F;
  --grad-brand:linear-gradient(135deg,#4B2E83 0%,#7B5CFA 52%,#2FD3C4 100%);
  --font-display:"Noto Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --sh-sm:0 4px 14px rgba(36,27,58,.06);
  --sh-md:0 12px 32px rgba(36,27,58,.10);
  --sh-lg:0 24px 64px rgba(36,27,58,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent-600);}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--c-ink);margin:0 0 .6em;letter-spacing:.01em;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--c-accent-500);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.row{display:flex;flex-wrap:wrap;margin:0 -12px;}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--c-surface);}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center;}
.section-head h2{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;line-height:1.25;}
.section-head p{color:var(--c-muted);margin:0;font-size:1rem;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,252,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand__mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.05rem;
  box-shadow:var(--sh-sm);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-family:var(--font-display);font-weight:800;font-size:1.0625rem;color:var(--c-ink);white-space:nowrap;}
.brand__sub{font-size:.6875rem;letter-spacing:.16em;color:var(--c-muted);font-weight:500;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:.9375rem;font-weight:500;color:var(--c-text);
}
.nav-links a:hover{background:var(--c-surface-2);color:var(--c-brand-700);}
.nav-links a.is-active{background:var(--c-surface-2);color:var(--c-brand-700);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-brand-700);
  font-size:1.05rem;cursor:pointer;transition:.2s;
}
.nav-toggle:hover{background:var(--c-surface-2);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-size:.9375rem;font-weight:700;cursor:pointer;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn i{font-size:.9em;}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-md);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);color:#fff;filter:brightness(1.03);}
.btn--primary:active{transform:translateY(0) scale(.98);}
.btn--outline{background:var(--c-surface);border-color:var(--c-brand-500);color:var(--c-brand-700);}
.btn--outline:hover{background:var(--c-surface-2);color:var(--c-brand-700);transform:translateY(-2px);}
.btn--ghost{background:transparent;color:var(--c-brand-700);}
.btn--ghost:hover{background:var(--c-surface-2);text-decoration:none;}
.btn--sm{padding:9px 18px;font-size:.875rem;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:.8125rem;font-weight:700;
  background:var(--c-surface-2);color:var(--c-brand-700);border:1px solid var(--c-line);
}
.badge--accent{background:rgba(47,211,196,.14);color:var(--c-accent-600);border-color:rgba(47,211,196,.3);}
.badge--warm{background:rgba(244,183,64,.16);color:#9A6A05;border-color:rgba(244,183,64,.36);}
.badge--brand{background:rgba(123,92,250,.12);color:var(--c-brand-700);border-color:rgba(123,92,250,.24);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--c-brand-900);
  background-image:linear-gradient(135deg,#241B3A 0%,#3A2663 58%,#2A1F45 100%);
  color:#fff;
  padding:56px 0 64px;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(2px 2px at 12% 30%,rgba(255,255,255,.35),transparent 60%),
                   radial-gradient(1.6px 1.6px at 68% 18%,rgba(255,255,255,.28),transparent 60%),
                   radial-gradient(1.4px 1.4px at 84% 62%,rgba(255,255,255,.22),transparent 60%),
                   radial-gradient(1.6px 1.6px at 34% 78%,rgba(255,255,255,.2),transparent 60%);
  opacity:.6;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:#CFC6EA;margin-bottom:22px;}
.breadcrumb a{color:#E4DDF7;}
.breadcrumb a:hover{color:var(--c-accent-500);}
.breadcrumb .sep{opacity:.6;}
.article-cat{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:.8125rem;font-weight:700;color:#F2EEFF;margin-bottom:18px;}
.article-title{
  font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.2;color:#fff;
  max-width:900px;margin:0 0 20px;
}
.article-sub{color:#D6CEEE;font-size:1rem;max-width:760px;margin:0 0 24px;}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:.875rem;color:#CFC6EA;}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--c-accent-500);}

/* ---------- article body ---------- */
.article-shell{padding:56px 0 72px;background:var(--c-bg);}
.article-cover{
  max-width:960px;margin:0 auto 46px;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-md);border:1px solid var(--c-line);background:var(--c-surface);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-read{max-width:760px;margin:0 auto;}
.article-content{
  font-size:1.0625rem;line-height:1.9;color:var(--c-text);
}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
  font-size:clamp(1.375rem,2.4vw,1.75rem);font-weight:700;line-height:1.35;
  margin:2.2em 0 .8em;padding-left:16px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;width:6px;height:1.05em;border-radius:999px;background:var(--grad-brand);
}
.article-content h3{font-size:1.1875rem;font-weight:700;margin:1.8em 0 .6em;}
.article-content h4{font-size:1.0625rem;font-weight:600;margin:1.5em 0 .5em;}
.article-content p{margin:0 0 1.3em;}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:1.4em;}
.article-content ul li{list-style:disc;margin-bottom:.5em;}
.article-content ol li{list-style:decimal;margin-bottom:.5em;}
.article-content li::marker{color:var(--c-brand-500);}
.article-content a{color:var(--c-brand-700);border-bottom:1px solid rgba(123,92,250,.4);}
.article-content a:hover{color:var(--c-accent-600);border-bottom-color:var(--c-accent-500);}
.article-content img{border-radius:var(--r-md);margin:1.6em 0;box-shadow:var(--sh-sm);}
.article-content blockquote{
  margin:1.8em 0;padding:22px 24px;border-radius:var(--r-md);
  background:var(--c-surface);border-left:5px solid var(--c-brand-500);
  box-shadow:var(--sh-sm);color:var(--c-brand-900);font-style:normal;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.8em 0;background:var(--c-surface);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-sm);font-size:.9375rem;
}
.article-content th,.article-content td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--c-line);}
.article-content th{background:var(--c-surface-2);color:var(--c-brand-900);font-weight:700;}
.article-content hr{border:none;height:1px;background:var(--c-line);margin:2.4em 0;}
.article-content code{background:var(--c-surface-2);padding:2px 7px;border-radius:6px;font-size:.9em;}

/* ---------- key points & inline cta ---------- */
.key-points{
  max-width:760px;margin:44px auto 0;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 30px;box-shadow:var(--sh-sm);
}
.key-points h3{font-size:1.125rem;font-weight:700;margin:0 0 16px;display:flex;align-items:center;gap:10px;}
.key-points h3 i{color:var(--c-warm-500);}
.key-points li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--c-line);font-size:.9375rem;color:var(--c-muted);}
.key-points li:last-child{border-bottom:none;}
.key-points li i{color:var(--c-accent-600);margin-top:.45em;}

.inline-cta{
  max-width:960px;margin:56px auto 0;border-radius:var(--r-lg);overflow:hidden;
  background:var(--c-brand-900);
  background-image:linear-gradient(135deg,#241B3A 0%,#4B2E83 58%,#2FD3C4 130%);
  color:#fff;padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-lg);
}
.inline-cta h3{color:#fff;font-size:1.375rem;margin:0 0 8px;}
.inline-cta p{color:#D9D1F2;margin:0;font-size:.9375rem;}
.inline-cta .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.inline-cta .btn--outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55);color:#fff;}
.inline-cta .btn--outline:hover{background:rgba(255,255,255,.18);color:#fff;}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card__media img{transform:scale(1.05);}
.card__body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__body h3{font-size:1.0625rem;font-weight:700;margin:0;line-height:1.5;}
.card__body p{color:var(--c-muted);font-size:.9375rem;margin:0;}
.card__link{margin-top:auto;font-weight:700;font-size:.9375rem;display:inline-flex;align-items:center;gap:8px;}

/* ---------- empty state ---------- */
.empty-state{
  max-width:680px;margin:0 auto;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:56px 32px;text-align:center;box-shadow:var(--sh-sm);
}
.empty-state i{font-size:2.4rem;color:var(--c-brand-300);margin-bottom:18px;display:block;}
.empty-state h2{font-size:1.5rem;margin-bottom:12px;}
.empty-state p{color:var(--c-muted);margin-bottom:24px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#E9E5F5;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand__name{color:#fff;}
.footer-brand .brand__sub{color:#9E94BE;}
.footer-desc{color:#B4ACC9;font-size:.9375rem;line-height:1.85;margin:0;max-width:340px;}
.footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin:0 0 16px;font-family:var(--font-sans);}
.footer-col ul li{margin-bottom:11px;font-size:.9375rem;color:#B4ACC9;}
.footer-col ul li a{color:#CFC6EA;}
.footer-col ul li a:hover{color:var(--c-accent-500);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:#9E94BE;
}
.footer-bottom p{margin:0;}
.footer-bottom a{color:#CFC6EA;}
.footer-bottom a:hover{color:var(--c-accent-500);}

/* ---------- mobile bar ---------- */
.mobile-cta{display:none;}

@media screen and (max-width:1024px){
  .section{padding:64px 0;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-wrap{flex-wrap:wrap;padding:10px 0;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--c-surface);border-bottom:1px solid var(--c-line);
    padding:14px 20px 22px;box-shadow:var(--sh-md);
    display:none;
  }
  .site-header.is-open .nav-links{display:flex;}
  .nav-links a{padding:12px 14px;border-radius:12px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .inline-cta{padding:32px 28px;}
}

@media screen and (max-width:768px){
  .article-hero{padding:40px 0 48px;}
  .article-shell{padding:40px 0 56px;}
  .inline-cta{flex-direction:column;align-items:flex-start;gap:20px;}
  .key-points{padding:24px 20px;}
}

@media screen and (max-width:640px){
  .section{padding:56px 0;}
  .brand__name{font-size:.95rem;}
  .nav-actions{gap:8px;}
  .nav-actions .btn--outline{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .related-grid{grid-template-columns:1fr;}
  .article-cover{margin-bottom:32px;border-radius:var(--r-md);}
  .article-content{font-size:1rem;}
  .footer-bottom{flex-direction:column;}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;
    background:var(--c-surface);border-top:1px solid var(--c-line);
    box-shadow:0 -6px 20px rgba(36,27,58,.08);
  }
  .mobile-cta a{
    flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
    font-weight:700;font-size:.9375rem;
  }
  .mobile-cta a:first-child{color:var(--c-brand-700);}
  .mobile-cta a:last-child{background:var(--grad-brand);color:#fff;}
  body{padding-bottom:56px;}
}

/* roulang page: category1 */
:root{
  --c-ink:#1C1630;
  --c-brand-900:#241B3A;
  --c-brand-700:#4B2E83;
  --c-brand-500:#7B5CFA;
  --c-brand-300:#C9B8FF;
  --c-accent-500:#2FD3C4;
  --c-accent-600:#17B8AA;
  --c-warm-500:#F4B740;
  --c-bg:#F7F5FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F0EDF9;
  --c-text:#241E33;
  --c-muted:#6F6882;
  --c-line:#E6E1F2;
  --c-success:#2FA36B;
  --c-danger:#E05A4F;
  --grad-brand:linear-gradient(135deg,#4B2E83 0%,#7B5CFA 52%,#2FD3C4 100%);
  --font-display:"Noto Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --shadow-sm:0 4px 14px rgba(36,27,58,.06);
  --shadow-md:0 12px 32px rgba(36,27,58,.10);
  --shadow-lg:0 24px 64px rgba(36,27,58,.14);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand-700);text-decoration:none;transition:color .2s ease,background .2s ease}
a:hover{color:var(--c-accent-600)}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--c-ink);margin:0 0 14px;font-weight:700}
h1{font-weight:800}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--c-accent-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,252,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:26px;min-height:78px;position:relative}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:16px;
  box-shadow:var(--shadow-sm);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-family:var(--font-display);font-weight:800;font-size:17px;color:var(--c-ink);letter-spacing:.5px}
.brand__sub{font-size:10px;letter-spacing:2px;color:var(--c-muted)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  display:inline-block;padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--c-text);
}
.nav-links a:hover{background:var(--c-surface-2);color:var(--c-brand-700)}
.nav-links a.is-active{background:#fff;color:var(--c-brand-700);font-weight:700;box-shadow:var(--shadow-sm)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-brand-700);
  cursor:pointer;font-size:18px;
}
.nav-toggle:hover{background:var(--c-surface-2)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-sans);font-weight:700;font-size:15px;line-height:1.2;
  cursor:pointer;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-md)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);filter:brightness(1.03)}
.btn--primary:active{transform:translateY(0) scale(.98)}
.btn--outline{background:#fff;border-color:var(--c-brand-500);color:var(--c-brand-700)}
.btn--outline:hover{background:var(--c-surface-2);color:var(--c-brand-700);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--c-brand-700)}
.btn--ghost:hover{background:rgba(123,92,250,.08)}
.btn--light{background:#fff;color:var(--c-brand-900);box-shadow:var(--shadow-md)}
.btn--light:hover{color:var(--c-brand-700);transform:translateY(-2px)}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:70px 0 64px;
  background:
    radial-gradient(1100px 560px at 82% -12%,rgba(123,92,250,.45),transparent 62%),
    radial-gradient(680px 420px at 6% 104%,rgba(47,211,196,.20),transparent 66%),
    var(--c-brand-900);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:28px 28px;opacity:.6;
}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:1px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#E9E5F5;
}
.hero h1{
  color:#fff;font-size:clamp(2.25rem,5vw,3.4rem);line-height:1.15;
  font-weight:800;margin:20px 0 18px;
}
.hero__lead{color:#D8D2EE;font-size:1.0625rem;line-height:1.9;max-width:640px;margin:0 0 28px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}
.hero__media img{
  border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.18);
  box-shadow:var(--shadow-lg);aspect-ratio:16/10;object-fit:cover;width:100%;
}
.stat-row{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);padding:16px 18px}
.stat b{display:block;font-size:1.45rem;color:#fff;font-weight:800;line-height:1.3}
.stat span{font-size:13px;color:#C9B8FF}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section--surface{background:var(--c-surface)}
.section--tint{background:var(--c-surface-2)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.25;margin:14px 0 14px}
.section-head p{color:var(--c-muted);margin:0}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;
  background:var(--c-surface-2);color:var(--c-brand-700);
}
.tag--gold{background:rgba(244,183,64,.18);color:#8A5B00}
.tag--mint{background:rgba(47,211,196,.16);color:var(--c-accent-600)}

/* ---------- prepare cards ---------- */
.prep-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px 22px;height:100%;transition:transform .2s ease,box-shadow .2s ease;
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.prep-card i{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:rgba(47,211,196,.14);color:var(--c-accent-600);font-size:17px;margin-bottom:14px;
}
.prep-card h3{font-size:1.125rem;font-family:var(--font-sans);font-weight:700;margin-bottom:8px}
.prep-card p{color:var(--c-muted);font-size:.9375rem;margin:0}

/* ---------- steps ---------- */
.steps-layout{display:grid;grid-template-columns:260px 1fr;gap:44px;align-items:start}
.anchor-nav{
  position:sticky;top:104px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-sm);
}
.anchor-nav__title{font-size:12px;letter-spacing:1.5px;color:var(--c-muted);margin:0 0 12px;font-family:var(--font-sans);font-weight:700}
.anchor-nav a{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 12px;border-radius:12px;font-size:14px;color:var(--c-text);line-height:1.6;
}
.anchor-nav a:hover{background:var(--c-surface-2);color:var(--c-brand-700)}
.anchor-nav a.is-current{background:var(--c-surface-2);color:var(--c-brand-700);font-weight:700}
.anchor-nav a b{color:var(--c-brand-500);font-weight:800}
.anchor-note{margin:18px 0 0;padding:14px 16px;border-radius:var(--r-sm);background:var(--c-surface-2);font-size:13px;color:var(--c-muted);line-height:1.7}

.step-card{
  display:grid;grid-template-columns:1fr 300px;gap:30px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--shadow-sm);margin-bottom:24px;
  scroll-margin-top:110px;transition:box-shadow .2s ease,transform .2s ease;
}
.step-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.step-num{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:18px;
  display:grid;place-items:center;
}
.step-head h3{margin:0;font-family:var(--font-sans);font-size:1.25rem;font-weight:700}
.step-card p{color:var(--c-muted);margin:0 0 14px;font-size:.9688rem}
.step-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.9375rem;color:var(--c-text);margin-bottom:8px;
}
.step-list li i{color:var(--c-accent-600);margin-top:5px;font-size:12px}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.step-media img{
  border-radius:var(--r-sm);aspect-ratio:16/10;object-fit:cover;width:100%;
  border:1px solid var(--c-line);
}

/* ---------- safety ---------- */
.safety-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.dark-panel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:40px;color:#fff;
  background:linear-gradient(135deg,#241B3A 0%,#3A2A66 55%,#4B2E83 100%);
}
.dark-panel h3{color:#fff;font-size:1.375rem;font-family:var(--font-sans);font-weight:700;margin-bottom:12px}
.dark-panel p{color:#D3CCEA;margin:0 0 16px;font-size:.9688rem}
.quote{
  border-left:3px solid var(--c-accent-500);padding:10px 0 10px 18px;
  color:#E9E5F5;font-size:.9375rem;line-height:1.85;margin:0;
}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px 18px;margin-bottom:12px;font-size:.9375rem;color:var(--c-text);
  transition:transform .2s ease,box-shadow .2s ease;
}
.check-list li:hover{transform:translateX(4px);box-shadow:var(--shadow-sm)}
.check-list i{color:var(--c-brand-500);margin-top:5px}

/* ---------- faq ---------- */
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item.is-open{border-color:var(--c-brand-300);box-shadow:var(--shadow-md)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:1rem;font-weight:700;color:var(--c-text);font-family:var(--font-sans);
}
.faq-q:hover{color:var(--c-brand-700)}
.faq-q i{color:var(--c-brand-500);transition:transform .28s ease}
.faq-item.is-open .faq-q{color:var(--c-brand-700)}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;padding:0 22px}
.faq-item.is-open .faq-a{max-height:520px;padding-bottom:20px}
.faq-a p{margin:0;color:var(--c-muted);font-size:.9375rem;line-height:1.85}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:32px;padding:56px 48px;color:#fff;
  background:var(--grad-brand);box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1.4fr .6fr;gap:30px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,2.6vw,2.15rem);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.88);margin:0;font-size:1rem}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#E9E5F5;padding:70px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand__name{color:#fff}
.footer-brand .brand__sub{color:#9C93B8}
.footer-desc{color:#B7AFCB;font-size:.9375rem;line-height:1.85;margin:0;max-width:400px}
.footer-col h4{color:#fff;font-size:1rem;font-family:var(--font-sans);font-weight:700;margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:.9375rem;color:#B7AFCB}
.footer-col a{color:#D6D0E8}
.footer-col a:hover{color:var(--c-accent-500)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9C93B8;
}
.footer-bottom p{margin:0}
.footer-bottom a{color:#C9B8FF}

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.96);border-top:1px solid var(--c-line);
  padding:8px 14px;gap:10px;box-shadow:0 -8px 24px rgba(36,27,58,.12);
}
.mobile-bar .btn{flex:1;padding:12px 10px;font-size:14px;height:44px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero__media img{max-width:640px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .steps-layout{grid-template-columns:1fr;gap:28px}
  .anchor-nav{position:static}
  .step-card{grid-template-columns:1fr}
  .safety-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:44px 32px}
}
@media (max-width:900px){
  .nav-links{
    display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:16px 20px 20px;border-bottom:1px solid var(--c-line);
    box-shadow:var(--shadow-md);
  }
  .site-header.is-open .nav-links{display:flex}
  .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
  .nav-actions .btn--outline{display:none}
}
@media (max-width:640px){
  body{padding-bottom:76px}
  .section{padding:56px 0}
  .hero{padding:52px 0 48px}
  .hero h1{font-size:clamp(1.9rem,7vw,2.4rem)}
  .stat-row{grid-template-columns:1fr 1fr;gap:12px}
  .step-card{padding:22px}
  .dark-panel{padding:28px}
  .cta-band{padding:36px 22px;border-radius:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-bar{display:flex}
  .nav-actions .btn--primary{display:none}
}

/* roulang page: category2 */
:root{
  --c-ink:#1C1630;
  --c-brand-900:#241B3A;
  --c-brand-700:#4B2E83;
  --c-brand-500:#7B5CFA;
  --c-brand-300:#C9B8FF;
  --c-accent-500:#2FD3C4;
  --c-accent-600:#17B8AA;
  --c-warm-500:#F4B740;
  --c-bg:#F7F5FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F0EDF9;
  --c-text:#241E33;
  --c-muted:#6F6882;
  --c-line:#E6E1F2;
  --c-success:#2FA36B;
  --c-danger:#E05A4F;
  --grad-brand:linear-gradient(135deg,#4B2E83 0%,#7B5CFA 52%,#2FD3C4 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-sm:0 4px 14px rgba(36,27,58,.06);
  --shadow-md:0 12px 32px rgba(36,27,58,.10);
  --shadow-lg:0 24px 64px rgba(36,27,58,.14);
  --font-display:"Noto Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --section-y:88px;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent-600);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1rem;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);color:var(--c-brand-900);letter-spacing:.2px;}
h1{font-size:clamp(2.25rem,5vw,3.75rem);font-weight:800;line-height:1.15;}
h2{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;line-height:1.25;}
h3{font-size:1.375rem;font-weight:700;line-height:1.4;}
h4{font-size:1.125rem;font-weight:600;line-height:1.5;font-family:var(--font-sans);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid var(--c-accent-500);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-brand-300);color:var(--c-brand-900);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:var(--section-y) 0;}
.section--alt{background:var(--c-surface-2);}
.section--white{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.14em;
  color:var(--c-brand-700);text-transform:uppercase;
  background:var(--c-surface-2);border:1px solid var(--c-line);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow i{color:var(--c-warm-500);}
.section-title{margin-bottom:14px;}
.section-desc{color:var(--c-muted);font-size:1rem;line-height:1.85;margin:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-weight:700;font-size:.9375rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn i{font-size:.875rem;}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-md);}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);filter:brightness(1.03);}
.btn--primary:active{transform:translateY(0) scale(.98);box-shadow:var(--shadow-sm);}
.btn--outline{background:var(--c-surface);color:var(--c-brand-700);border-color:var(--c-brand-500);}
.btn--outline:hover{background:var(--c-surface-2);color:var(--c-brand-700);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn--ghost{background:transparent;color:var(--c-brand-700);}
.btn--ghost:hover{background:rgba(123,92,250,.10);color:var(--c-brand-700);}
.btn--light{background:#fff;color:var(--c-brand-700);box-shadow:var(--shadow-md);}
.btn--light:hover{color:var(--c-brand-700);transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn--sm{padding:9px 18px;font-size:.875rem;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,252,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px;}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand__mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
}
.brand__mark i{font-size:1rem;}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-family:var(--font-display);font-weight:800;font-size:1.125rem;color:var(--c-brand-900);white-space:nowrap;}
.brand__sub{font-size:.6875rem;letter-spacing:.22em;color:var(--c-muted);font-weight:700;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:.9375rem;font-weight:500;color:var(--c-text);
}
.nav-links a:hover{background:var(--c-surface-2);color:var(--c-brand-700);}
.nav-links a.is-active{background:var(--c-surface-2);color:var(--c-brand-700);font-weight:700;box-shadow:inset 0 0 0 1px var(--c-line);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-brand-700);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--c-surface-2);}
.drawer-cta{display:none;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--c-brand-900);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(2px 2px at 12% 22%,#fff 40%,transparent 41%),
    radial-gradient(2px 2px at 28% 68%,#C9B8FF 40%,transparent 41%),
    radial-gradient(1.5px 1.5px at 46% 32%,#fff 40%,transparent 41%),
    radial-gradient(2px 2px at 64% 78%,#2FD3C4 40%,transparent 41%),
    radial-gradient(1.5px 1.5px at 78% 18%,#fff 40%,transparent 41%),
    radial-gradient(2px 2px at 88% 58%,#F4B740 40%,transparent 41%),
    radial-gradient(1.5px 1.5px at 36% 88%,#fff 40%,transparent 41%),
    radial-gradient(1.5px 1.5px at 6% 60%,#C9B8FF 40%,transparent 41%);
  opacity:.12;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,92,250,.55) 0%,rgba(123,92,250,0) 68%);
  pointer-events:none;
}
.hero__inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:84px 0 76px;
}
.hero__label{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.10);border:1px solid rgba(201,184,255,.35);
  color:#EAE5FF;border-radius:999px;padding:7px 16px;
  font-size:.8125rem;font-weight:600;letter-spacing:.04em;margin-bottom:22px;
}
.hero__label i{color:var(--c-accent-500);}
.hero h1{color:#fff;margin-bottom:20px;}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#C9B8FF 0%,#2FD3C4 100%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero__lead{color:#D4CEE8;font-size:1.0625rem;line-height:1.9;max-width:560px;margin-bottom:30px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero__points{display:flex;flex-wrap:wrap;gap:18px;color:#BFB7DA;font-size:.875rem;}
.hero__points span{display:inline-flex;align-items:center;gap:7px;}
.hero__points i{color:var(--c-accent-500);}
.hero__media{position:relative;}
.hero__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid rgba(201,184,255,.28);
  box-shadow:var(--shadow-lg);
}
.hero__card{
  position:absolute;left:-18px;bottom:-22px;
  background:rgba(28,22,48,.86);backdrop-filter:blur(6px);
  border:1px solid rgba(201,184,255,.30);border-radius:var(--radius-md);
  padding:14px 18px;box-shadow:var(--shadow-lg);min-width:190px;
}
.hero__card strong{display:block;font-size:1.5rem;font-family:var(--font-display);color:#fff;line-height:1.2;}
.hero__card span{font-size:.8125rem;color:#B9B1D6;}

/* ============ 数据徽章 ============ */
.stat-row{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:-42px;margin-bottom:0;
}
.stat{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:18px 20px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stat__num{display:block;font-family:var(--font-display);font-size:1.875rem;font-weight:800;color:var(--c-brand-700);line-height:1.15;}
.stat__num small{font-size:1rem;font-weight:700;margin-left:2px;}
.stat__label{font-size:.8125rem;color:var(--c-muted);}

/* ============ 票种 Tabs ============ */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;border:0;background:transparent;}
.tabs .tabs-title{float:none;}
.tabs .tabs-title a{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-size:.9375rem;font-weight:600;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-muted);
  transition:all .2s ease;
}
.tabs .tabs-title a:hover{color:var(--c-brand-700);border-color:var(--c-brand-300);}
.tabs .tabs-title.is-active a{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:var(--shadow-md);}
.tabs-content{margin:0;background:transparent;border:0;}
.tabs-panel{display:none;padding:0;}
.tabs-panel.is-active{display:block;animation:fadeUp .32s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}

.ticket{
  position:relative;
  display:grid;grid-template-columns:1.05fr 1.25fr;gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.ticket__side{
  padding:34px 32px;background:var(--c-surface-2);
  border-right:1px dashed var(--c-line);
  display:flex;flex-direction:column;gap:14px;
}
.ticket__badge{
  align-self:flex-start;display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:.75rem;font-weight:700;
  background:rgba(47,211,196,.16);color:var(--c-accent-600);
}
.ticket__badge--gold{background:rgba(244,183,64,.20);color:#9B6B05;}
.ticket__price{font-family:var(--font-display);font-size:2.5rem;font-weight:800;color:var(--c-brand-700);line-height:1;}
.ticket__price small{font-size:1rem;font-weight:600;color:var(--c-muted);margin-left:6px;}
.ticket__note{font-size:.875rem;color:var(--c-muted);}
.ticket__for{font-size:.9375rem;color:var(--c-text);border-top:1px solid var(--c-line);padding-top:14px;margin-top:auto;}
.ticket__body{padding:34px 32px;}
.ticket__body h4{margin-bottom:16px;color:var(--c-brand-900);}
.ticket__list{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;margin-bottom:26px;}
.ticket__list li{display:flex;align-items:flex-start;gap:9px;font-size:.9375rem;color:var(--c-text);}
.ticket__list i{color:var(--c-accent-600);margin-top:6px;font-size:.8125rem;}

/* ============ 对比表 ============ */
.compare-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
table.compare-table{width:100%;border-collapse:collapse;margin:0;background:transparent;}
table.compare-table caption{text-align:left;padding:20px 26px 0;font-size:.875rem;color:var(--c-muted);}
table.compare-table th,table.compare-table td{
  padding:16px 20px;border-bottom:1px solid var(--c-line);text-align:left;
  font-size:.9375rem;background:transparent;
}
table.compare-table thead th{
  background:var(--c-surface-2);font-family:var(--font-sans);font-weight:700;
  color:var(--c-brand-900);font-size:.9375rem;
}
table.compare-table tbody th{font-weight:600;color:var(--c-muted);width:22%;}
table.compare-table tbody tr:last-child th,table.compare-table tbody tr:last-child td{border-bottom:0;}
table.compare-table tbody tr:hover td,table.compare-table tbody tr:hover th{background:rgba(123,92,250,.05);}
.cell-yes{color:var(--c-success);font-weight:600;}
.cell-yes i{margin-right:6px;}
.cell-no{color:var(--c-muted);}
.cell-no i{margin-right:6px;color:#B7B0C9;}
.compare-cards{display:none;}

/* ============ 报名步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:26px 24px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-brand-300);}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:16px;
  background:var(--grad-brand);color:#fff;font-weight:800;font-family:var(--font-display);
  box-shadow:var(--shadow-sm);
}
.step h3{font-size:1.125rem;font-family:var(--font-sans);font-weight:700;margin-bottom:8px;color:var(--c-brand-900);}
.step p{font-size:.9375rem;color:var(--c-muted);margin:0;}
.step__tag{
  display:inline-block;margin-top:14px;font-size:.75rem;font-weight:700;
  color:var(--c-brand-700);background:var(--c-surface-2);border-radius:999px;padding:4px 12px;
}

/* ============ 嘉宾横向滚动 ============ */
.speaker-scroll{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);gap:24px;
  overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.speaker-scroll::-webkit-scrollbar{height:8px;}
.speaker-scroll::-webkit-scrollbar-thumb{background:var(--c-brand-300);border-radius:999px;}
.speaker-scroll::-webkit-scrollbar-track{background:var(--c-surface-2);border-radius:999px;}
.speaker-card{
  scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.speaker-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.speaker-card__img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.speaker-card__body{padding:22px 22px 26px;}
.speaker-card__body h3{font-size:1.125rem;font-family:var(--font-sans);font-weight:700;color:var(--c-brand-900);margin-bottom:4px;}
.speaker-card__role{font-size:.8125rem;color:var(--c-muted);margin-bottom:12px;}
.speaker-card__topic{font-size:.9375rem;color:var(--c-text);margin-bottom:14px;}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:.75rem;font-weight:700;
  background:var(--c-surface-2);color:var(--c-brand-700);border:1px solid var(--c-line);
  margin-right:8px;
}
.tag--accent{background:rgba(47,211,196,.16);color:var(--c-accent-600);border-color:transparent;}
.tag--gold{background:rgba(244,183,64,.20);color:#9B6B05;border-color:transparent;}

/* ============ 报名表单 ============ */
.signup{display:grid;grid-template-columns:1.35fr .85fr;gap:40px;align-items:start;}
.form-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);padding:36px 34px;box-shadow:var(--shadow-md);overflow:hidden;
}
.form-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;margin-top:26px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:.875rem;font-weight:600;color:var(--c-brand-900);}
.field label span{color:var(--c-danger);}
.field input,.field select{
  height:48px;padding:0 15px;border-radius:var(--radius-sm);
  border:1px solid var(--c-line);background:var(--c-surface-2);
  font-size:.9375rem;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  width:100%;appearance:none;
}
.field select{background-image:none;}
.field input:focus,.field select:focus{
  outline:none;background:#fff;border-color:var(--c-brand-500);
  box-shadow:0 0 0 3px rgba(47,211,196,.35);
}
.field input::placeholder{color:#A8A1BC;}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--c-muted);line-height:1.7;}
.checkbox input{width:18px;height:18px;height:18px;margin-top:5px;accent-color:var(--c-brand-500);padding:0;}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px;}
.form-alert{
  display:none;margin-top:18px;padding:12px 16px;border-radius:var(--radius-sm);
  background:rgba(47,163,107,.10);color:#1F7A4E;border:1px solid rgba(47,163,107,.28);font-size:.9375rem;
}
.form-alert.is-visible{display:block;}
.form-side{display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:24px 22px;
}
.side-card h4{margin-bottom:12px;color:var(--c-brand-900);}
.side-card ul li{display:flex;gap:10px;font-size:.9375rem;color:var(--c-muted);margin-bottom:10px;}
.side-card ul li:last-child{margin-bottom:0;}
.side-card ul i{color:var(--c-brand-500);margin-top:7px;font-size:.8125rem;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-md);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-sm);border-color:var(--c-brand-300);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:1rem;font-weight:700;color:var(--c-brand-900);
  background:transparent;
}
.faq-q i{color:var(--c-muted);transition:transform .25s ease,color .25s ease;flex:0 0 auto;}
.faq-item.is-open .faq-q{color:var(--c-brand-700);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--c-brand-500);}
.faq-a{display:none;padding:0 22px 20px;font-size:.9375rem;line-height:1.8;color:var(--c-muted);}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--c-brand-900);color:#fff;padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,211,196,.35) 0%,rgba(47,211,196,0) 70%);
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:10px;position:relative;z-index:1;}
.cta-band p{color:#CFC8E6;margin:0;position:relative;z-index:1;max-width:620px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#E9E5F5;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(233,229,245,.14);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand__name{color:#fff;}
.footer-brand .brand__sub{color:#9E95BF;}
.footer-desc{font-size:.9375rem;line-height:1.85;color:#B6AECF;max-width:420px;margin:0;}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px;font-family:var(--font-sans);font-weight:700;}
.footer-col ul li{margin-bottom:11px;font-size:.9375rem;}
.footer-col ul a,.footer-col ul span{color:#B6AECF;}
.footer-col ul a:hover{color:var(--c-accent-500);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;font-size:.8125rem;color:#8E85AE;}
.footer-bottom a{color:#B6AECF;}
.footer-bottom a:hover{color:var(--c-accent-500);}

/* ============ 移动端底部 CTA ============ */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  gap:10px;padding:10px 16px;background:rgba(255,255,255,.96);
  border-top:1px solid var(--c-line);box-shadow:0 -8px 24px rgba(36,27,58,.10);
}
.mobile-cta .btn{flex:1;height:44px;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--section-y:64px;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--c-line);
    box-shadow:var(--shadow-md);padding:14px 20px 20px;
    display:none;
  }
  .nav-links.is-open{display:flex;animation:fadeUp .24s ease;}
  .nav-links a{padding:12px 14px;border-radius:var(--radius-sm);}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .drawer-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;}
  .drawer-cta .btn{flex:1;justify-content:center;}
  .hero__inner{grid-template-columns:1fr;gap:40px;padding:64px 0 56px;}
  .hero__card{left:auto;right:14px;bottom:-18px;}
  .stat-row{grid-template-columns:repeat(2,1fr);margin-top:-24px;}
  .ticket{grid-template-columns:1fr;}
  .ticket__side{border-right:0;border-bottom:1px dashed var(--c-line);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .signup{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare-wrap{display:none;}
  .compare-cards{display:grid;grid-template-columns:1fr;gap:20px;}
}
@media (max-width:768px){
  .compare-table,.compare-wrap{display:none;}
  .compare-cards{display:grid;}
  .cta-band{padding:38px 26px;}
  .ticket__list{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:28px 22px;}
  .mobile-cta{display:flex;}
  body{padding-bottom:66px;}
}
@media (max-width:520px){
  .brand__name{font-size:1rem;}
  .brand__sub{letter-spacing:.16em;}
  .stat-row{grid-template-columns:1fr 1fr;gap:12px;}
  .stat{padding:14px 16px;}
  .stat__num{font-size:1.5rem;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero__actions .btn{width:100%;}
  .hero__card{position:static;margin-top:16px;left:auto;right:auto;bottom:auto;}
}

/* 对比卡（移动端） */
.compare-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-sm);
}
.compare-card h3{font-family:var(--font-sans);font-size:1.125rem;color:var(--c-brand-900);margin-bottom:6px;}
.compare-card .compare-card__price{font-family:var(--font-display);font-size:1.75rem;font-weight:800;color:var(--c-brand-700);margin-bottom:14px;}
.compare-card dl{margin:0;display:grid;grid-template-columns:1fr;gap:0;}
.compare-card dt{font-size:.8125rem;color:var(--c-muted);padding-top:12px;border-top:1px solid var(--c-line);}
.compare-card dd{margin:2px 0 0;font-size:.9375rem;color:var(--c-text);padding-bottom:12px;}
.compare-card dt:first-of-type{border-top:0;padding-top:0;}