/* =========================================================
   主张网 · 动效大片风 (gpt-taste / Awwwards cinematic)
   OLED 暗色 · 电影感全屏 Hero · GSAP 滚动编排 · 字符 scrub
   无缝跑马灯 · 密铺 Bento · 巨大章节留白
   ========================================================= */
@import url('vendor/fonts/outfit-v5.3.0-500.css');
@import url('vendor/fonts/outfit-v5.3.0-700.css');
@import url('vendor/fonts/outfit-v5.3.0-800.css');
@import url('vendor/fonts/jetbrains-mono-v5.0.21-400.css');

:root{
  --bg:#0C0C12;
  --bg-2:#101018;
  --surface:#15151F;
  --surface-2:#1B1B27;
  --line:rgba(255,255,255,.09);
  --text:#F4F3EF;
  --muted:#9C9BA5;
  --faint:#6E6D78;
  --red:#FF3B4E;
  --red-soft:rgba(255,59,78,.14);
  --green:#34D399;  --green-soft:rgba(52,211,153,.12);
  --amber:#FBBF24;  --amber-soft:rgba(251,191,36,.12);
  --sky:#38BDF8;    --sky-soft:rgba(56,189,248,.12);
  --f-disp:"Outfit","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --f-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Outfit",system-ui,sans-serif;
  --f-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  margin:0;font-family:var(--f-body);color:var(--text);
  background:var(--bg);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%}
a{color:var(--text);text-decoration:none;transition:color .3s}
a:hover{color:var(--red)}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{color:var(--text);line-height:1.14;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* 环境氛围光 */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60rem 38rem at 80% -10%,rgba(255,59,78,.10),transparent 60%),
    radial-gradient(50rem 34rem at 0% 30%,rgba(56,189,248,.06),transparent 60%);
}
/* 细颗粒 */
body::after{
  content:"";position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection{background:var(--red);color:#fff}

/* ---------- 顶栏 ---------- */
.topbar{background:#08080D;color:var(--muted);font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em;border-bottom:1px solid var(--line)}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:8px 16px;padding-top:9px;padding-bottom:9px;flex-wrap:wrap}
.topbar b{color:var(--text);font-weight:700}
.topbar .tel{color:var(--red);font-weight:700}
.topbar .tel:hover{color:#ff7a88}

/* ---------- 悬浮玻璃胶囊导航 ---------- */
.nav{
  position:fixed;top:16px;left:0;right:0;z-index:100;
  background:rgba(16,16,24,.6);
  -webkit-backdrop-filter:blur(22px) saturate(1.5);backdrop-filter:blur(22px) saturate(1.5);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:0 24px 60px -24px rgba(0,0,0,.8);
  max-width:1120px;margin:0 auto;
}
.nav .container{display:flex;justify-content:space-between;align-items:center;padding:10px 24px}
.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--text);line-height:1.15;font-family:var(--f-disp);letter-spacing:-.01em}
.logo:hover{color:var(--text)}
.logo small{display:block;font-family:var(--f-mono);font-size:10.5px;font-weight:400;color:var(--faint);letter-spacing:.22em;text-transform:uppercase;margin-top:3px}
.mark-img{display:block;border-radius:9px;flex:none}
.nav .links{display:flex;align-items:center;gap:22px;font-size:14px}
.nav .links a{color:var(--muted);font-weight:500;transition:color .3s}
.nav .links a:hover,.nav .links a.active{color:var(--text)}
.menu-btn{display:none;background:transparent;border:1px solid var(--line);padding:10px 12px;cursor:pointer;border-radius:999px;z-index:2}
.menu-btn span{display:block;width:20px;height:2px;background:var(--text);margin:4px 0;border-radius:2px;transition:transform .4s cubic-bezier(.32,.72,0,1),opacity .3s}
.nav:has(.links.open) .menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav:has(.links.open) .menu-btn span:nth-child(2){opacity:0}
.nav:has(.links.open) .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--text);color:#0C0C12;font-weight:700;font-size:15.5px;
  padding:15px 32px;border-radius:999px;border:1px solid var(--text);
  cursor:pointer;will-change:transform;
  transition:transform .35s cubic-bezier(.32,.72,0,1),background .3s,border-color .3s,color .3s,box-shadow .35s;
  box-shadow:0 16px 40px -16px rgba(255,255,255,.25);
}
.btn:hover{background:var(--red);border-color:var(--red);color:#fff;box-shadow:0 20px 50px -16px rgba(255,59,78,.55);transform:translateY(-2px)}
.btn:active{transform:scale(.97)}
.btn.ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.25);box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.45);color:var(--text)}
.btn.ink{background:var(--surface-2);border-color:var(--surface-2);color:var(--text)}
.btn.sm{padding:10px 22px;font-size:14px}
.btn.lg{padding:17px 38px;font-size:16.5px}

/* ---------- Hero（电影感全屏） ---------- */
.hero{position:relative;color:var(--text);border-bottom:1px solid var(--line);overflow:hidden;background:var(--bg-2)}
.hero-bg{
  position:absolute;inset:-12% 0;z-index:0;
  background-image:url("img/hero-law-library.jpg");
  background-size:cover;background-position:center;
  opacity:.38;will-change:transform;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(80% 90% at 30% 40%,rgba(12,12,18,.25),rgba(12,12,18,.92) 78%),
    linear-gradient(180deg,rgba(12,12,18,.75) 0%,rgba(12,12,18,.35) 40%,rgba(12,12,18,.95) 100%);
}
.hero .container{position:relative;z-index:2}
.hero .inner{padding:190px 0 120px;max-width:1000px}
.hero h1{
  font-family:var(--f-disp);font-weight:800;letter-spacing:-.025em;
  font-size:clamp(2.9rem,6.2vw,5.4rem);line-height:1.06;margin:24px 0 26px;
  max-width:16ch;text-wrap:balance;
}
.hero h1 .accent{color:var(--red)}
.accent{color:var(--red)}
.hero .sub{font-size:clamp(16.5px,1.7vw,19px);color:var(--muted);max-width:62ch;margin-bottom:40px;line-height:1.85}
.hero .sub .accent{color:var(--red);font-weight:600}
.hero .sub .ch{opacity:1}
.quality{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--green-soft);color:var(--green);
  border:1px solid rgba(52,211,153,.25);
  font-family:var(--f-mono);font-size:12.5px;font-weight:400;letter-spacing:.08em;
  padding:8px 18px;border-radius:999px;text-transform:uppercase;
}
.quality::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.eyebrow{
  display:inline-block;font-family:var(--f-mono);font-size:12px;font-weight:400;
  letter-spacing:.26em;color:var(--red);margin-bottom:16px;text-transform:uppercase;
}
.eyebrow::before{content:"// "}
.actions{display:flex;gap:16px;flex-wrap:wrap}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:46px}
.pills a{
  border:1px solid rgba(255,255,255,.18);border-radius:999px;
  padding:9px 20px;font-size:14px;font-weight:500;color:var(--muted);
  background:rgba(255,255,255,.04);transition:all .35s;
}
.pills a:hover{border-color:var(--red);color:var(--red);background:var(--red-soft);transform:translateY(-2px)}
.trustrow{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:40px;font-size:14px;color:var(--muted);font-family:var(--f-mono)}
.trustrow .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:8px;vertical-align:middle;box-shadow:0 0 10px var(--green)}

/* 无缝跑马灯 */
.marquee{margin-top:70px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;overflow:hidden;position:relative;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;width:max-content;animation:mq 30s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{
  display:inline-flex;align-items:center;white-space:nowrap;
  font-family:var(--f-disp);font-weight:700;font-size:17px;letter-spacing:.06em;color:rgba(255,255,255,.55);
  padding-right:44px;
}
.marquee-track span::after{content:"/";color:var(--red);font-family:var(--f-mono);margin-left:44px;font-weight:400}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- 区块（章节式大留白） ---------- */
.section{padding:clamp(90px,11vw,170px) 0}
.section.tinted{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.h2{font-family:var(--f-disp);font-weight:800;letter-spacing:-.02em;font-size:clamp(2rem,4vw,3.3rem);line-height:1.08;margin-bottom:16px}
.lede{font-size:17.5px;color:var(--muted);max-width:64ch;line-height:1.85}

/* ---------- 栅格（密铺） ---------- */
.grid{display:grid;gap:22px;grid-auto-flow:dense}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}

/* ---------- 卡片 ---------- */
.feature,.hub-card,.card,.stepcard,.routecard,.joinbar{
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  border:1px solid var(--line);border-radius:20px;
  transition:transform .5s cubic-bezier(.22,1,.36,1),border-color .4s,box-shadow .5s;
  position:relative;overflow:hidden;
}
.feature:hover,.hub-card:hover,.card:hover,.routecard:hover{
  transform:translateY(-6px);border-color:rgba(255,59,78,.4);
  box-shadow:0 30px 60px -24px rgba(0,0,0,.7),0 0 0 1px rgba(255,59,78,.15);
}
.feature{display:block;padding:42px 36px}
.feature h3{font-family:var(--f-disp);font-weight:700;font-size:1.5rem;margin-bottom:12px;letter-spacing:-.01em}
.feature p{color:var(--muted);font-size:15px;margin-bottom:24px;line-height:1.8}
.feature .go{font-family:var(--f-mono);font-size:13px;font-weight:400;color:var(--red);letter-spacing:.08em;text-transform:uppercase}
.feature .go::after{content:" →"}
.card{padding:34px 30px}
.card h3{font-family:var(--f-disp);font-weight:700;font-size:1.35rem;margin:12px 0 10px}
.card p{color:var(--muted);font-size:15px;line-height:1.8}
.card .more{margin-top:20px;font-family:var(--f-mono);font-size:13px}
.card .more a{color:var(--red)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-block;font-family:var(--f-mono);font-size:11px;font-weight:400;
  letter-spacing:.12em;padding:5px 12px;border-radius:999px;text-transform:uppercase;
  border:1px solid transparent;
}
.tag.t-brand{background:var(--red-soft);color:#ff8a95;border-color:rgba(255,59,78,.3)}
.tag.t-green{background:var(--green-soft);color:var(--green);border-color:rgba(52,211,153,.25)}
.tag.t-amber{background:var(--amber-soft);color:var(--amber);border-color:rgba(251,191,36,.25)}
.tag.t-navy{background:var(--sky-soft);color:var(--sky);border-color:rgba(56,189,248,.25)}

/* ---------- 使命宣言 ---------- */
.mission{background:var(--bg-2);color:var(--text);padding:clamp(90px,11vw,160px) 24px;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.mission::before{content:"";position:absolute;inset:0;background:radial-gradient(50rem 24rem at 50% 120%,rgba(255,59,78,.12),transparent 70%);pointer-events:none}
.mission h2{color:var(--text);font-family:var(--f-disp);font-weight:800;font-size:clamp(1.9rem,3.4vw,2.9rem);line-height:1.18;max-width:900px;margin:0 auto 22px;letter-spacing:-.02em;position:relative}
.mission>p{max-width:660px;margin:0 auto;color:var(--muted);font-size:17px;line-height:1.85;position:relative}
.mission .quotes{max-width:760px;margin:54px auto 0;padding-top:42px;border-top:1px solid var(--line);position:relative}
.mission .q-slide{display:none}
.mission .q-slide.is-active{display:block;animation:qfade .8s cubic-bezier(.22,1,.36,1) both}
.mission .q-slide p{font-family:var(--f-disp);font-size:clamp(1.35rem,2.2vw,1.8rem);font-weight:500;color:var(--text);margin-bottom:16px;line-height:1.55;letter-spacing:-.01em}
.mission .q-slide cite{font-style:normal;font-family:var(--f-mono);font-size:12.5px;color:var(--red);letter-spacing:.14em;text-transform:uppercase}
@keyframes qfade{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.mission .q-dots{display:flex;gap:12px;justify-content:center;margin-top:30px}
.mission .q-dot{width:24px;height:4px;padding:0;border:0;border-radius:2px;background:rgba(255,255,255,.18);cursor:pointer;transition:background .3s,transform .3s}
.mission .q-dot.is-active{background:var(--red);transform:scaleY(1.4)}
.mission .q-dot:focus-visible{outline:2px solid var(--red);outline-offset:4px}

/* ---------- 数字条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.stat{text-align:center;background:var(--surface);padding:44px 18px;transition:background .4s}
.stat:hover{background:var(--surface-2)}
.stat b{display:block;font-family:var(--f-disp);font-weight:800;font-size:clamp(2.4rem,3.8vw,3.8rem);color:var(--text);line-height:1;letter-spacing:-.02em}
.stat span{font-family:var(--f-mono);font-size:12.5px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}

/* ---------- 服务与指南卡（Bento 错落） ---------- */
.hub-card{display:block;padding:34px 30px}
.grid.c3 .hub-card:nth-child(1){grid-column:span 2;background:linear-gradient(135deg,rgba(255,59,78,.12),rgba(255,255,255,.02) 55%)}
.grid.c3 .hub-card:nth-child(1) h3{font-size:1.7rem}
.grid.c3 .hub-card:nth-child(7){grid-column:span 2}
.hub-card h3{font-family:var(--f-disp);font-weight:700;font-size:1.35rem;margin:14px 0 10px;letter-spacing:-.01em}
.hub-card p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.75}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stepcard{padding:38px 32px}
.stepcard .num{
  width:48px;height:48px;border-radius:14px;
  background:var(--red);color:#fff;font-weight:800;font-size:19px;font-family:var(--f-disp);
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;
  box-shadow:0 14px 30px -12px rgba(255,59,78,.6);
}
.stepcard h3{font-family:var(--f-disp);font-weight:700;font-size:1.35rem;margin-bottom:10px}
.stepcard p{color:var(--muted);font-size:15px;margin:0;line-height:1.8}

/* ---------- 模板（可折叠） ---------- */
.tpl{margin-top:18px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--surface)}
.tpl summary{
  cursor:pointer;list-style:none;padding:20px 24px;
  font-weight:600;font-size:15.5px;background:var(--surface);
  display:flex;justify-content:space-between;align-items:center;gap:10px;
}
.tpl summary::-webkit-details-marker{display:none}
.tpl summary .free{
  font-family:var(--f-mono);font-size:11px;font-weight:400;color:var(--green);
  background:var(--green-soft);padding:5px 14px;border-radius:999px;flex:none;letter-spacing:.1em;text-transform:uppercase;
}
.tpl[open] summary{border-bottom:1px solid var(--line)}
.tpl-body{background:var(--bg)}
.tpl-bar{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:12px 22px;border-bottom:1px dashed var(--line);
}
.tag2{font-family:var(--f-mono);font-size:12px;color:var(--faint)}
.copybtn{
  background:var(--red);color:#fff;border:0;
  font-family:var(--f-mono);font-size:12px;font-weight:400;letter-spacing:.08em;text-transform:uppercase;
  padding:10px 20px;border-radius:999px;cursor:pointer;
  transition:background .3s,transform .2s;
}
.copybtn:hover{background:#ff5a6a}
.copybtn:active{transform:scale(.96)}
.tpl pre{
  margin:0;padding:26px 28px;font-size:13.5px;line-height:1.95;
  white-space:pre-wrap;word-break:break-word;
  font-family:var(--f-mono);color:var(--text);
}
.assist{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:22px;background:var(--amber-soft);
  border:1px solid rgba(251,191,36,.25);border-radius:16px;padding:18px 24px;font-size:15px;color:var(--text);
}

/* ---------- 期限警示条 ---------- */
.deadline{
  background:var(--amber-soft);border:1px solid rgba(251,191,36,.28);
  border-left:4px solid var(--amber);
  border-radius:16px;padding:26px 30px;margin-top:30px;
}
.deadline h3{margin:0 0 8px;font-size:15.5px;color:var(--amber);font-family:var(--f-mono);font-weight:400;letter-spacing:.06em;text-transform:uppercase}
.deadline p{margin:0;font-size:15.5px;color:var(--text)}
.deadline b{color:var(--amber)}

/* ---------- 编号流程卡 ---------- */
.routelist{display:grid;gap:22px;margin-top:34px}
.routecard{
  display:flex;gap:24px;align-items:flex-start;
  padding:36px 34px;
}
.routecard .num{
  width:52px;height:52px;border-radius:16px;flex:none;
  background:var(--surface-2);border:1px solid rgba(255,59,78,.35);color:var(--red);
  font-weight:800;font-size:18px;font-family:var(--f-disp);
  display:flex;align-items:center;justify-content:center;
}
.routecard h3{font-family:var(--f-disp);font-weight:700;font-size:1.45rem;margin:4px 0 10px;letter-spacing:-.01em}
.routecard p{color:var(--muted);font-size:15px;margin-bottom:8px;line-height:1.8}
.routecard ul{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:14.5px;line-height:1.8}
.routecard li{margin-bottom:6px}
.routecard li::marker{color:var(--red)}
.routecard .more{display:inline-block;margin-top:12px;font-family:var(--f-mono);font-size:13px;color:var(--red);letter-spacing:.06em;text-transform:uppercase}
.routecard .more::after{content:" →"}
@media(max-width:640px){
  .routecard{flex-direction:column;gap:16px;padding:28px 26px}
}

/* ---------- 真实案例 / 边界提示 ---------- */
.realcase{
  margin-top:18px;padding:18px 22px;
  border:1px solid rgba(255,59,78,.25);border-left:4px solid var(--red);
  background:var(--red-soft);
  border-radius:0 14px 14px 0;font-size:14px;line-height:1.85;color:var(--text);
}
.realcase .lbl{display:inline-block;font-family:var(--f-mono);font-weight:400;color:#ff8a95;margin-right:6px;font-size:12.5px}
.realcase b{color:#ff8a95}
.realcase .vsrc{display:block;margin-top:8px;font-size:12.5px;line-height:1.6;color:var(--green);font-weight:700}
.realcase .vnote{display:block;margin-top:8px;font-size:12.5px;line-height:1.6;color:var(--amber);font-weight:700}
.boundary{
  margin-top:18px;padding:18px 22px;
  border:1px solid rgba(251,191,36,.25);border-left:4px solid var(--amber);
  background:var(--amber-soft);
  border-radius:0 14px 14px 0;font-size:14px;line-height:1.85;color:var(--text);
}
.boundary b{color:var(--amber)}

/* ---------- FAQ ---------- */
.faq details{border:1px solid var(--line);border-radius:18px;background:var(--surface);margin-bottom:14px;overflow:hidden;transition:border-color .3s}
.faq details[open]{border-color:rgba(255,59,78,.35)}
.faq summary{
  cursor:pointer;list-style:none;padding:22px 26px;
  font-weight:600;font-size:16.5px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;font-weight:300;color:var(--red);flex:none;transition:transform .4s cubic-bezier(.32,.72,0,1);line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 26px 24px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- 入驻条 ---------- */
.joinbar{
  display:flex;align-items:center;gap:30px;flex-wrap:wrap;
  padding:46px 42px;
  background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
}
.joinbar h3{font-family:var(--f-disp);font-weight:700;font-size:1.6rem;margin-bottom:10px}
.joinbar p{color:var(--muted);font-size:15.5px;margin:0;max-width:58ch;line-height:1.8}

/* ---------- 大 CTA（高对比红） ---------- */
.bigcta{background:var(--red);color:#fff;text-align:center;padding:clamp(90px,11vw,150px) 24px;position:relative;overflow:hidden}
.bigcta::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 50% 0%,rgba(255,255,255,.18),transparent 60%);pointer-events:none}
.bigcta > *{position:relative}
.bigcta h2{color:#fff;font-family:var(--f-disp);font-weight:800;font-size:clamp(2.2rem,4vw,3.4rem);letter-spacing:-.02em;margin-bottom:18px}
.bigcta p{max-width:580px;margin:0 auto 38px;color:rgba(255,255,255,.85);font-size:17px;line-height:1.85}
.bigcta .btn{background:#0C0C12;color:#fff;border-color:#0C0C12;box-shadow:0 20px 50px -16px rgba(0,0,0,.5)}
.bigcta .btn:hover{background:#fff;border-color:#fff;color:#0C0C12}
.bigcta .hint{margin-top:24px;font-size:13px;color:rgba(255,255,255,.75);font-family:var(--f-mono);letter-spacing:.08em}

/* ---------- 页脚 ---------- */
footer{background:#08080D;color:var(--muted);padding:76px 0 36px;font-size:14.5px;border-top:1px solid var(--line)}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:38px;margin-bottom:48px}
footer h4{color:var(--text);font-family:var(--f-mono);font-size:12.5px;margin-bottom:18px;letter-spacing:.2em;text-transform:uppercase;font-weight:400}
footer a{display:block;color:var(--muted);margin-bottom:11px}
footer a:hover{color:var(--red)}
.brandline{display:flex;align-items:center;gap:10px;color:var(--text);font-size:21px;font-weight:800;margin-bottom:14px;font-family:var(--f-disp)}
footer .legal{border-top:1px solid var(--line);padding-top:26px;font-size:13px;color:var(--faint);line-height:1.9}
footer .legal b{color:var(--muted)}

/* ---------- 回到顶部 ---------- */
.totop{
  position:fixed;right:24px;bottom:24px;z-index:80;
  width:50px;height:50px;border-radius:50%;border:1px solid var(--line);cursor:pointer;
  background:rgba(21,21,31,.8);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  color:var(--text);font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 20px 44px -18px rgba(0,0,0,.8);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .4s,transform .4s cubic-bezier(.32,.72,0,1),visibility .4s,background .3s;
}
.totop:hover{background:var(--red);border-color:var(--red);color:#fff}
.totop.show{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- 复制吐司 ---------- */
.toast{
  position:fixed;left:50%;bottom:100px;z-index:95;
  transform:translateX(-50%) translateY(18px);
  background:var(--surface-2);color:var(--text);font-size:14px;line-height:1.5;
  padding:14px 26px;border-radius:999px;border:1px solid var(--line);
  box-shadow:0 26px 60px -20px rgba(0,0,0,.8);
  max-width:90vw;text-align:center;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .4s,transform .4s cubic-bezier(.32,.72,0,1),visibility .4s;
}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ---------- 备案行 ---------- */
.legal .copyline{display:block;font-size:12px;color:#55545F;letter-spacing:.2px;line-height:1.7;white-space:nowrap}
.legal .beian{display:inline;margin:0;font-size:12px;color:#55545F;letter-spacing:.2px;line-height:1.7}
.legal .beian a{display:inline;color:#55545F;text-decoration:none}
.legal .beian a:hover{color:var(--muted);text-decoration:underline}
@media(max-width:480px){.legal .copyline{white-space:normal;word-break:break-word}}

/* =========================================================
   响应式
   ========================================================= */
@media(max-width:1100px){
  .menu-btn{display:block}
  .nav{max-width:calc(100% - 32px)}
  .nav .links{display:none}
  .nav .links.open{
    display:flex;position:fixed;inset:0;z-index:-1;
    background:rgba(10,10,16,.92);
    -webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);
    flex-direction:column;justify-content:center;align-items:center;gap:8px;
    padding:100px 32px 40px;border-radius:0;
  }
  .nav .links.open a{
    font-family:var(--f-disp);font-size:1.7rem;font-weight:700;color:var(--text);
    padding:10px 0;
  }
  .nav .links.open .btn{font-family:var(--f-body);font-size:15px;margin-top:20px;width:min(320px,80vw)}
}
@media(max-width:1024px){
  .grid.c3{grid-template-columns:repeat(2,1fr)}
  .grid.c3 .hub-card:nth-child(1),.grid.c3 .hub-card:nth-child(7){grid-column:span 2}
  .hero .inner{padding:160px 0 90px}
}
@media(max-width:768px){
  .grid.c2,.grid.c3{grid-template-columns:1fr}
  .grid.c3 .hub-card:nth-child(1),.grid.c3 .hub-card:nth-child(7){grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .actions .btn{width:100%}
  .hero .inner{padding:140px 0 70px}
  .joinbar{padding:32px 26px}
  footer .cols{grid-template-columns:1fr 1fr;gap:32px}
  .topbar .container{justify-content:center;text-align:center}
}
@media(max-width:480px){
  footer .cols{grid-template-columns:1fr}
  .pills{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .pills a{white-space:nowrap;flex:none}
  .assist{flex-direction:column;align-items:stretch}
  .assist .btn{width:100%}
  .tpl pre{font-size:12.5px;padding:20px 18px}
  .tpl-bar{flex-wrap:wrap}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .marquee-track{animation:none;flex-wrap:wrap;width:auto}
}