/* ============================================================
   外贸官 WAIMAOGUAN · 品牌官网样式 v4
   设计范式：对话式产品站风格 —— 白底 + 极浅蓝白渐变 + 左文右图模块
             蓝色只作强调（按钮 / 小标题 / 渐变标题），不做大面积色块
   ============================================================ */

/* 设计令牌全部取自参考站实测 computed style */
:root{
  --brand:#017AFF;          /* OKKI 实测 rgb(1,122,255) */
  --brand-d:#0168D9;
  --brand-l:#4DA3FF;
  --brand-2:#4DA3FF;
  --brand-pale:#EAF4FF;
  --brand-pale2:#D6E9FF;

  --title:#272E47;          /* rgb(39,46,71) */
  --text:#545A6E;           /* rgb(84,90,110) */
  --text-2:#545A6E;
  --text-3:#9BA5B4;

  --bg:#FFFFFF;
  --bg-alt:#F8FAFF;
  --bg-alt2:#F3F6FD;
  --line:#EDF1F8;
  --line-2:#E2E9F5;

  --dark:#2B3550;
  --gold:#C79A4E;
  --gold-pale:#F7F1E4;

  --r-btn:4px;              /* 参考站实测 4px */
  --r-card:16px;
  --r-sm:12px;

  --sh-1:0 2px 8px rgba(40,70,130,.05);
  --sh-2:0 8px 30px rgba(40,70,130,.08);
  --sh-3:0 20px 54px rgba(30,60,120,.12);

  --maxw:1200px;
  --font:"Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);color:rgba(0,0,0,.85);background:var(--bg);
  -webkit-font-smoothing:antialiased;line-height:1.571;font-size:14px;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}

/* ---------- 布局 ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.section-sm{padding:68px 0}
.alt,.soft{background:#F7F9FF}
.alt2{background:linear-gradient(180deg,#DFE7FF 0%,#F6F8FF 100%)}

/* 区块背景：逐块取参考站实测值 */
.bg-1{background:#F2F7FE}
.bg-3{background:linear-gradient(180deg,#F9F5FF 0%,#EFE6FF 100%)}
.bg-4{background:#F7F9FF}
.bg-up{background:linear-gradient(0deg,#E0E7FE 0%,#FFFFFF 100%)}
.bg-band{background:linear-gradient(180deg,#DFE7FF 0%,#F6F8FF 100%)}
.bg-dark{background:#3F4770}
.bg-dark h2,.bg-dark h3,.bg-dark h4,.bg-dark .section-head h2{color:#fff}
.bg-dark p,.bg-dark .lead,.bg-dark .adv .it p{color:rgba(255,255,255,.72)}
.bg-dark .adv .it h4{color:#fff}
.bg-dark .adv .it .ai{background:rgba(255,255,255,.14);color:#fff}
.bg-dark .eyebrow{color:#A9B8FF}
.center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}
.measure{max-width:740px}
.muted{color:var(--text-3)}
.hero-copy{position:relative;z-index:2}

/* ---------- 文字 ---------- */
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;
  color:var(--brand);font-weight:700;margin-bottom:14px;
}
.grad{
  background:linear-gradient(135deg, #6264FF 5%, #7526FF 80.71%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* 实测：模块大标题 40px/600/lh1.4；小节标题 20px/600；正文 14px/400/lh1.571 */
h1{font-size:clamp(28px,3.2vw,44px);line-height:1.4;font-weight:600;letter-spacing:normal;color:var(--title)}
h2{font-size:clamp(26px,2.8vw,40px);line-height:1.4;font-weight:600;letter-spacing:normal;color:var(--title)}
h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--title)}
h4{font-size:20px;font-weight:600;color:var(--title);line-height:1.5}
.lead{font-size:14px;color:var(--text);line-height:1.571}
.lead-sm{font-size:14px;color:var(--text);line-height:1.571}

.section-head{margin-bottom:52px;max-width:760px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .lead{margin-top:14px}

/* ---------- 按钮（胶囊圆角，对齐 OKKI） ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 40px;border-radius:100px;
  font-size:16px;font-weight:400;transition:.2s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d)}
.btn-ghost{border:1px solid var(--line-2);color:var(--title);background:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost-inv{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost-inv:hover{background:rgba(255,255,255,.14)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{box-shadow:0 10px 26px rgba(0,0,0,.2)}
.btn-sm{height:34px;padding:0 24px;font-size:14px;border-radius:100px}
.btn-lg{height:56px;padding:0 48px;font-size:18px;border-radius:100px}
.btn-form{height:46px;padding:0 24px;font-size:15px;border-radius:100px;width:100%}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.text-link{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;font-size:14.5px}
.text-link::after{content:"→";transition:.2s}
.text-link:hover::after{transform:translateX(4px)}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:60px;
  display:flex;align-items:center;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);transition:.3s;
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.site-header.scrolled{box-shadow:0 1px 0 var(--line),0 6px 20px rgba(40,70,130,.06);background:#fff}
.site-header.on-dark:not(.scrolled){background:transparent;backdrop-filter:none}

.logo{display:flex;align-items:center;gap:10px}
.logo-seal{
  width:30px;height:30px;border-radius:8px;flex:none;position:relative;
  background:linear-gradient(150deg,#5C7DF0,#3A5CD8);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:15px;
}
.logo-seal::after{content:"";position:absolute;inset:2.5px;border:1px solid rgba(255,255,255,.34);border-radius:6px}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-cn{font-size:16px;font-weight:800;letter-spacing:1.2px;color:#111F33}
.logo-en{font-size:12px;letter-spacing:.2em;color:var(--text-2);margin-top:4px}
.on-dark:not(.scrolled) .logo-cn{color:#fff}
.on-dark:not(.scrolled) .logo-en{color:rgba(255,255,255,.5)}

.nav{display:flex;align-items:center;gap:10px}
.nav > li{position:relative}
/* 实测：链接 #111F33 / 14px / 400；当前项 #4C6AFF / 500；无胶囊背景 */
.nav a{display:flex;align-items:center;gap:5px;padding:8px 13px;border-radius:6px;font-size:14px;font-weight:400;color:#111F33;transition:.2s}
.on-dark:not(.scrolled) .nav a{color:rgba(255,255,255,.82)}
.nav a:hover{color:var(--brand)}
.on-dark:not(.scrolled) .nav a:hover{color:#fff}
.nav a.active{color:var(--brand);font-weight:500;background:transparent}
.on-dark:not(.scrolled) .nav a.active{color:#fff}
.nav .caret{width:9px;height:9px;opacity:.5}
.dropdown{
  position:absolute;top:100%;left:50%;transform:translate(-50%,10px);
  width:580px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--sh-3);padding:12px;
  opacity:0;visibility:hidden;transition:.22s;display:grid;grid-template-columns:1fr 1fr;gap:2px;
}
.nav li:hover .dropdown{opacity:1;visibility:visible;transform:translate(-50%,0)}
.dropdown a{display:flex;gap:11px;align-items:flex-start;padding:13px;border-radius:10px;color:var(--text);background:none}
.dropdown a:hover{background:var(--bg-alt)}
.dropdown .dd-ico{
  width:34px;height:34px;border-radius:9px;flex:none;
  background:linear-gradient(150deg,#4DA3FF,#017AFF);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 5px 14px rgba(1,122,255,.22);
}
.dropdown .dd-ico svg{width:18px;height:18px;display:block}
.dropdown .dd-t{font-weight:700;font-size:14.5px;display:block;color:var(--title)}
.dropdown .dd-d{font-size:12.5px;color:var(--text-3);display:block;margin-top:2px;line-height:1.55}

.header-actions{display:flex;align-items:center;gap:10px}
.header-actions .btn-ghost{padding:0 18px}
.on-dark:not(.scrolled) .header-actions .btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;background:transparent}
.burger{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;flex-direction:column;gap:5px;color:var(--title)}
.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px}
.on-dark:not(.scrolled) .burger{color:#fff}

.drawer{position:fixed;inset:70px 0 auto 0;background:#fff;z-index:99;box-shadow:var(--sh-3);max-height:0;overflow:hidden;transition:max-height .35s ease}
.drawer.open{max-height:calc(100vh - 70px);overflow-y:auto}
.drawer-inner{padding:16px 28px 34px}
.drawer a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-weight:600;font-size:15.5px}
.drawer .d-sub a{padding:9px 0 9px 16px;font-size:14px;font-weight:500;color:var(--text-2)}
.drawer .d-cta{margin-top:22px;display:flex;flex-direction:column;gap:11px}

/* ============================================================
   HERO
   ============================================================ */
/* Hero：深色 banner 背景图（参考站为 600px 深色轮播） */
.hero{
  position:relative;padding:150px 0 0;overflow:hidden;background:#0A0F22;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('../img/banner.jpg') center 32%/cover no-repeat;
}
.hero-photo{display:none}
.hero-veil{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(100deg,rgba(8,13,32,.95) 0%,rgba(8,13,32,.87) 40%,rgba(12,22,56,.64) 72%,rgba(16,30,74,.4) 100%);
}
.hero-veil::before{
  content:"";position:absolute;width:620px;height:620px;border-radius:50%;
  right:-180px;top:-240px;
  background:radial-gradient(circle,rgba(110,143,245,.18),rgba(110,143,245,0) 68%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}

.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:6px 16px;
  border-radius:6px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:rgba(255,255,255,.8);backdrop-filter:blur(6px);
}
.hero-badge b{color:#fff;font-weight:700}
.hero-badge .tag{color:#A9C0FF;font-size:11.5px;font-weight:700;letter-spacing:.08em}

.hero-title{margin:24px 0 0;color:#fff}
.hero .grad{background:linear-gradient(94deg,#8FA9FF 0%,#C9D6FF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-kicker{display:block;font-size:.63em;font-weight:600;letter-spacing:normal;margin-bottom:8px}
.hero-sub{font-size:16px;color:rgba(255,255,255,.72);margin-top:24px;line-height:1.75;max-width:510px}
.hero-sub b{color:#fff;font-weight:600}
.hero .btn-row{margin-top:32px}
.hero-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.48);display:flex;gap:18px;flex-wrap:wrap}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.hero-note span::before{content:"✓";color:#7B93FF;font-size:12px;font-weight:700}

.hero-visual{position:relative}
.hero-shot{
  border-radius:14px;overflow:hidden;position:relative;background:#fff;
  box-shadow:var(--sh-3);border:1px solid var(--line);
}
.hero-shot img{width:100%;height:auto;aspect-ratio:16/11;object-fit:cover}
.float-card{
  position:absolute;background:#fff;border-radius:12px;
  box-shadow:0 14px 36px rgba(30,60,120,.14);padding:13px 16px;
  border:1px solid var(--line);
}
.float-card .fl{font-size:11.5px;color:var(--text-3)}
.float-card .fv{font-size:19px;font-weight:800;color:var(--title);letter-spacing:-.4px;line-height:1.25}
.float-card .fv em{font-style:normal;color:var(--brand)}
.fc-1{left:-26px;bottom:52px;animation:float1 6s ease-in-out infinite}
.fc-2{right:-18px;top:32px;animation:float2 7s ease-in-out infinite}
@keyframes float1{50%{transform:translateY(-10px)}}
@keyframes float2{50%{transform:translateY(10px)}}
.fc-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#37C97E;margin-right:6px}
.tinybar{display:flex;gap:4px;align-items:flex-end;height:24px;margin-top:7px}
.tinybar i{flex:1;background:var(--brand-pale2);border-radius:3px 3px 0 0}
.tinybar i:nth-child(n+4){background:var(--brand-l)}

/* 信任条 */
.hero-trust{background:rgba(0,0,0,.22);border-top:1px solid rgba(255,255,255,.1);padding:22px 0;margin-top:56px;position:relative;z-index:2}
.hero-trust .wrap{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.hero-trust .lbl{font-size:13px;color:rgba(255,255,255,.45);white-space:nowrap}
.logo-wall{display:flex;align-items:center;gap:34px;flex-wrap:wrap;flex:1;justify-content:center}
.logo-wall span{font-size:15px;font-weight:700;color:rgba(255,255,255,.3);letter-spacing:.03em;white-space:nowrap;transition:.2s}
.logo-wall span:hover{color:rgba(255,255,255,.85)}

/* ============================================================
   左右模块（核心骨架）
   ============================================================ */
.mod{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:center}
.mod.rev .mod-media{order:2}
.mod.rev .mod-text{order:1}
.mod.wide-text{grid-template-columns:1.05fr .95fr}

.mod-text h2{margin-bottom:22px}
.mod-text .lead{max-width:480px}

/* 小节列表：蓝色小标题 + 灰色正文 */
/* 实测：小节标题 20px/600；仅第一个为蓝色 #4C6AFF，其余深色 #272E47 */
.fs{display:flex;flex-direction:column;gap:30px;margin-top:2px}
.fs .it h4{color:var(--title);font-size:20px;font-weight:600;margin-bottom:8px;transition:color .3s ease}
.fs .it.active h4{width:fit-content;background:linear-gradient(94.57deg,#00A2FF 4.67%,#0180FF 52.2%,#015EFF 99.73%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.fs .it p{font-size:14px;color:var(--text);line-height:1.571}
.mod-text h2{margin-bottom:52px}
.mod-text .btn{margin-top:36px}

/* 媒体框 */
.mod-media{position:relative}
.ill{width:100%;max-width:600px;margin:0 auto;display:block}
.mframe{border-radius:var(--r-card);overflow:hidden;background:var(--bg-alt);border:1px solid var(--line)}
.mframe img{width:100%;height:100%;object-fit:cover;display:block}
.mframe.soft{border:0;box-shadow:var(--sh-2)}
.mcap{padding:46px 26px 22px;background:linear-gradient(180deg,transparent,rgba(20,32,60,.8));color:#fff;margin-top:-72px;position:relative}
.mcap .t{font-weight:700;font-size:15px}
.mcap .d{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:3px}

/* ============================================================
   卡片 / 列表
   ============================================================ */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;transition:.24s}
.card:hover{box-shadow:var(--sh-2);border-color:var(--brand-pale2)}
.card h4{margin-bottom:8px}
.card p{color:var(--text-2);font-size:14px;line-height:1.8}

.ico{
  width:44px;height:44px;border-radius:12px;margin-bottom:16px;
  background:var(--brand-pale);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
}

/* 图标 + 标题 + 说明（技术优势式） */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
.adv .it .ai{
  width:40px;height:40px;border-radius:10px;background:var(--brand-pale);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;margin-bottom:18px;
}
.adv .it h4{font-size:20px;margin-bottom:8px}
.adv .it p{font-size:14px;color:var(--text);line-height:1.571}

/* 数字统计 */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:8px}
.stat-row .s{padding:34px 20px;text-align:center;border-right:1px solid var(--line)}
.stat-row .s:last-child{border-right:0}
.stat-row .n{font-size:40px;font-weight:600;color:var(--brand);letter-spacing:normal;line-height:1.2}
.stat-row .n small{font-size:16px;font-weight:600}
.stat-row .l{font-size:14px;color:var(--text-3);margin-top:6px}

/* ============================================================
   产品界面（精绘）
   ============================================================ */
.app{border-radius:14px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-3)}
.app-bar{height:40px;background:#FAFBFF;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;padding:0 15px}
.app-bar .dots{display:flex;gap:6px}
.app-bar .dots i{width:9px;height:9px;border-radius:50%;background:#DDE5F2}
.app-bar .at{font-size:11.5px;color:var(--text-3);margin-left:6px}
.app-bar .aa{margin-left:auto;display:flex;gap:6px}
.app-bar .aa i{width:20px;height:7px;border-radius:4px;background:var(--bg-alt2)}
.app-body{display:grid;grid-template-columns:144px 1fr;min-height:330px}
.app-side{background:#FBFCFE;border-right:1px solid var(--line);padding:14px 10px}
.app-side .si{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:7px;font-size:11.5px;color:var(--text-3);margin-bottom:3px}
.app-side .si.on{background:var(--brand-pale);color:var(--brand);font-weight:700}
.app-side .si i{width:13px;height:13px;border-radius:3px;background:currentColor;opacity:.3;flex:none}
.app-side .si.on i{opacity:.85}
.app-side .sect{font-size:9.5px;color:#A9B4C4;letter-spacing:.1em;padding:12px 9px 5px;font-weight:700}
.app-main{padding:18px 20px;background:#fff}
.ui-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.ui-title{font-size:14px;font-weight:800;color:var(--title)}
.ui-sub{font-size:11px;color:var(--text-3);margin-top:2px}
.ui-pill{font-size:10.5px;font-weight:700;padding:4px 10px;border-radius:5px;background:var(--brand-pale);color:var(--brand)}
.ui-pill.gold{background:var(--gold-pale);color:#8A6520}
.ui-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:14px}
.ui-kpi{border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#FCFDFF}
.ui-kpi .kl{font-size:10.5px;color:var(--text-3)}
.ui-kpi .kv{font-size:19px;font-weight:800;letter-spacing:-.5px;margin-top:2px;color:var(--title)}
.ui-kpi .kd{font-size:10px;color:var(--brand);font-weight:700;margin-top:1px}
.ui-table{border:1px solid var(--line);border-radius:9px;overflow:hidden}
.ui-tr{display:grid;grid-template-columns:1.6fr 1fr 1.1fr;font-size:11px;align-items:center}
.ui-tr.hd{background:#FAFBFF;color:var(--text-3);font-weight:700;font-size:10px;letter-spacing:.05em}
.ui-tr > span{padding:8px 13px}
.ui-tr:not(.hd){border-top:1px solid var(--line);color:var(--text-2)}
.ui-tr .nm{font-weight:700;color:var(--title)}
.ui-tag{font-size:9.5px;font-weight:700;padding:2px 7px;border-radius:4px;display:inline-block}
.ui-tag.b{background:var(--brand-pale);color:var(--brand)}
.ui-tag.g{background:var(--gold-pale);color:#8A6520}
.ui-tag.n{background:#F0F3F9;color:var(--text-3)}
.ui-chart{display:flex;align-items:flex-end;gap:6px;height:76px;margin-top:12px;padding:0 2px}
.ui-chart i{flex:1;border-radius:3px 3px 0 0;background:var(--brand-pale2)}
.ui-chart i.g{background:var(--brand-l)}
.ui-chart i:last-child,.ui-chart i:nth-last-child(2){background:var(--brand-l)}
.ui-axis{display:flex;justify-content:space-between;font-size:9.5px;color:var(--text-3);margin-top:5px;padding:0 2px}
.ui-mail{border:1px solid var(--line);border-radius:9px;overflow:hidden}
.ui-mail .mh{background:#FAFBFF;padding:9px 13px;border-bottom:1px solid var(--line);font-size:11px;color:var(--text-3)}
.ui-mail .mb{padding:13px;font-size:12px;color:var(--text-2);line-height:1.85}
.ui-mail .mb mark{background:var(--brand-pale);color:var(--brand-d);padding:1px 4px;border-radius:3px}
.ui-score{display:flex;gap:9px;margin-top:12px}
.ui-score div{flex:1;text-align:center;background:#FBFCFE;border:1px solid var(--line);border-radius:9px;padding:10px 6px}
.ui-score .sv{font-size:16px;font-weight:800;color:var(--brand);letter-spacing:-.4px}
.ui-score .sl{font-size:10px;color:var(--text-3);margin-top:2px}

/* 对话气泡 */
.bub{max-width:86%;padding:11px 15px;font-size:12.5px;line-height:1.8}
.bub.me{align-self:flex-end;background:var(--brand);color:#fff;border-radius:12px 12px 3px 12px}
.bub.ai{align-self:flex-start;background:#F7F9FE;border:1px solid var(--line);color:var(--text-2);border-radius:12px 12px 12px 3px}
.bub-row{display:flex;gap:9px;align-items:flex-start}
.bub-row .bav{
  width:26px;height:26px;border-radius:8px;flex:none;
  background:linear-gradient(150deg,#6E8FF5,#3A5CD8);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:800;
}

/* 团队头像组 */
.avs{display:flex;align-items:center}
.avs span{
  width:26px;height:26px;border-radius:50%;border:2px solid #fff;
  display:flex;align-items:center;justify-content:center;
  font-size:10.5px;font-weight:800;color:#fff;margin-left:-9px;
}
.avs span:first-child{margin-left:0}

/* 进度条 */
.pbar{height:6px;border-radius:3px;background:var(--brand-pale);overflow:hidden}
.pbar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,#8FA9F8,#4B6FE8)}

/* 任务编排行 */
.trow{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;background:#FBFCFE;border:1px solid var(--line)}
.trow .tav{
  width:30px;height:30px;border-radius:9px;flex:none;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:800;
}
.trow .tnm{display:block;font-size:12.5px;font-weight:700;color:var(--title);line-height:1.5}
.trow .tds{display:block;font-size:11px;color:var(--text-3);margin-top:1px;line-height:1.5}
.trow .tst{margin-left:auto;font-size:10.5px;font-weight:700;color:var(--brand);white-space:nowrap}

/* 悬浮面板 */
.fpanel{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 16px 40px rgba(30,60,120,.14);padding:13px 16px;
}

.browser{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-3)}
.browser .bb{height:40px;background:#FAFBFF;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;padding:0 14px}
.browser .bb .dots{display:flex;gap:6px}
.browser .bb .dots i{width:9px;height:9px;border-radius:50%;background:#DDE5F2}
.browser .bb .url{flex:1;max-width:290px;height:22px;border-radius:5px;background:#fff;border:1px solid var(--line);margin:0 auto;font-size:10.5px;color:var(--text-3);display:flex;align-items:center;padding:0 12px;gap:6px}

/* ============================================================
   助手
   ============================================================ */
.officer{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;display:block;transition:.24s;
}
.officer:hover{box-shadow:var(--sh-2);border-color:var(--brand-pale2)}
.officer .rank{display:inline-block;font-size:10.5px;letter-spacing:.12em;font-weight:700;color:var(--brand);background:var(--brand-pale);padding:4px 10px;border-radius:5px}
.officer .avatar{
  width:50px;height:50px;border-radius:13px;margin:16px 0 14px;
  display:flex;align-items:center;justify-content:center;color:#fff;
  background:linear-gradient(150deg,#4DA3FF,#017AFF);
  box-shadow:0 5px 14px rgba(1,122,255,.22);
}
.officer .avatar svg{width:24px;height:24px;display:block}
.officer .avatar.gold{background:linear-gradient(150deg,#E3C68C,#C79A4E);color:#3A2708}
.officer h3{font-size:18.5px;margin-bottom:4px}
.officer .duty{font-size:12.5px;color:var(--text-3);margin-bottom:14px}
.officer ul li{font-size:13.5px;color:var(--text-2);padding:6px 0 6px 15px;position:relative;line-height:1.7}
.officer ul li::before{content:"";position:absolute;left:0;top:13px;width:4px;height:4px;border-radius:1px;background:var(--brand-l)}
.officer .go{margin-top:15px;font-size:13.5px;font-weight:600;color:var(--brand);display:inline-flex;gap:6px;align-items:center}

.officer-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.officer-head .av{
  width:56px;height:56px;border-radius:15px;flex:none;
  background:linear-gradient(150deg,#6E8FF5,#3A5CD8);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:23px;font-weight:800;
}
.officer-head .av.gold{background:linear-gradient(150deg,#E3C68C,#C79A4E);color:#3A2708}

/* 助手切换 */
.tabs-wrap{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start}
.tab-list{display:flex;flex-direction:column;gap:6px}
.tab-btn{display:flex;gap:14px;align-items:center;text-align:left;width:100%;padding:15px 16px;border-radius:12px;border:1px solid transparent;transition:.22s}
.tab-btn:hover{background:#fff}
.tab-btn.on{background:#fff;border-color:var(--line);box-shadow:var(--sh-2)}
.tab-btn .av{
  width:42px;height:42px;border-radius:11px;flex:none;
  background:var(--bg-alt2);color:var(--text-3);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;transition:.22s;
}
.tab-btn.on .av{background:linear-gradient(150deg,#6E8FF5,#3A5CD8);color:#fff}
.tab-btn .tn{display:block;font-size:15px;font-weight:700;color:var(--text-2)}
.tab-btn.on .tn{color:var(--title)}
.tab-btn .td{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px}
.tab-panels{position:relative;min-height:400px}
.tab-panel{display:none;animation:fadeUp .4s ease}
.tab-panel.on{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* ============================================================
   证言卡（姓名 → 分隔线 → 大数字 → 引用）
   ============================================================ */
.qt{background:#fff;border-radius:var(--r-card);padding:32px 30px;border:1px solid var(--line);display:flex;flex-direction:column;transition:.24s}
.qt:hover{box-shadow:var(--sh-2)}
/* 实测：姓名 20px/500；大数字 48px/500；KPI 文案 32px/600 */
.qt .who{padding-bottom:16px;border-bottom:1px solid var(--line)}
.qt .who .nm{font-size:20px;font-weight:500;color:var(--title)}
.qt .who .co{font-size:14px;color:var(--text-3);margin-top:4px;line-height:1.6}
.qt .kpi{margin-top:20px}
.qt .kpi .n{font-size:48px;font-weight:500;color:var(--title);letter-spacing:normal;line-height:1.2}
.qt .kpi .n em{font-style:normal;color:var(--brand)}
.qt .kpi .l{font-size:14px;font-weight:400;color:var(--text-3);margin-top:6px;line-height:1.571}
.qt .say{margin-top:18px;font-size:14px;color:var(--text);line-height:1.571;flex:1}

/* ============================================================
   热榜 / 列表
   ============================================================ */
.hot{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.hot h4{display:flex;align-items:center;gap:8px;font-size:17px;margin-bottom:20px}
.hot h4::before{content:"🔥";font-size:15px}
.hot ol li{display:flex;gap:12px;padding:11px 0;font-size:14px;color:var(--text-2);line-height:1.7;border-bottom:1px dashed var(--line-2)}
.hot ol li:last-child{border-bottom:0}
.hot ol li b{color:#E24C3B;font-weight:700;flex:none;width:14px}

/* ============================================================
   对比表
   ============================================================ */
.compare{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--sh-2)}
.compare-head{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;background:linear-gradient(160deg,#FFFFFF 0%,#F3F7FF 55%,#EDE9FF 100%)}
.compare-head div{position:relative;padding:22px 26px;font-weight:700;font-size:15px;color:var(--title);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:center;text-align:center}
.compare-head div:first-child{justify-content:flex-start;text-align:left;color:var(--text-3);font-size:13px;letter-spacing:.6px;text-transform:uppercase}
.compare-head .col-start{color:var(--text-2)}
.compare-head .hot-c{gap:8px;color:#fff;background:linear-gradient(135deg,var(--brand) 0%,#4DA3FF 100%);border-bottom-color:transparent}
.compare-head .hot-c .tag{font-size:11px;font-weight:700;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.45);padding:2px 9px;border-radius:20px;line-height:1.5}
.compare-row{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;border-bottom:1px solid var(--line);transition:background .18s}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:var(--bg-alt)}
.compare-row div{padding:16px 26px;font-size:14px;color:var(--text-2);display:flex;align-items:center;justify-content:center;text-align:center}
.compare-row div:first-child{justify-content:flex-start;text-align:left;font-weight:600;color:var(--title)}
.compare-row .dim{color:var(--text-3)}
.compare-row .dim.none{opacity:.55}
.compare-row .hot-c{gap:9px;background:var(--brand-pale);color:var(--title);font-weight:600;border-left:1px solid var(--brand-pale2);border-right:1px solid var(--brand-pale2)}
.compare-row .hot-c::before{content:"✓";flex:none;width:18px;height:18px;border-radius:50%;background:var(--brand);color:#fff;font-size:11px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
@media (max-width:720px){
  .compare-head div,.compare-row div{padding:14px 12px;font-size:13px}
  .compare-head{grid-template-columns:1.3fr 1fr 1.2fr}
  .compare-row{grid-template-columns:1.3fr 1fr 1.2fr}
  .compare-row .hot-c::before{display:none}
}

/* ============================================================
   流程 / 价格 / 表单
   ============================================================ */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.flow .step{position:relative;padding:0 14px;text-align:center}
.flow .step .dot{
  width:46px;height:46px;border-radius:12px;margin:0 auto 15px;
  background:#fff;border:1px solid var(--brand-pale2);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.flow .step h4{font-size:15px;margin-bottom:6px}
.flow .step p{font-size:13px;color:var(--text-3);line-height:1.7}
.flow .step:not(:last-child)::after{content:"";position:absolute;top:23px;left:calc(50% + 30px);right:calc(-50% + 30px);height:1px;background:var(--line-2)}

.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px 28px;position:relative;transition:.24s;display:flex;flex-direction:column}
.plan:hover{box-shadow:var(--sh-2)}
.plan.hot{border:1.5px solid var(--brand)}
.plan .flag{position:absolute;top:-12px;left:30px;background:var(--brand);color:#fff;font-size:11.5px;font-weight:700;padding:4px 13px;border-radius:5px}
.plan h3{font-size:19px}
.plan .for{font-size:13px;color:var(--text-3);margin-top:6px;min-height:46px;line-height:1.7}
.plan .price{margin:18px 0 6px;display:flex;align-items:baseline;gap:4px}
.plan .price .cur{font-size:17px;font-weight:700;color:var(--brand)}
.plan .price .num{font-size:40px;font-weight:800;letter-spacing:-1.6px;line-height:1;color:var(--title)}
.plan .price .unit{font-size:13.5px;color:var(--text-3)}
.plan .price-note{font-size:12.5px;color:var(--text-3);min-height:38px;line-height:1.5}
.plan ul{margin:22px 0;display:flex;flex-direction:column;gap:11px;flex:1 1 auto}
.plan ul li{font-size:14px;color:var(--text-2);padding-left:22px;position:relative;line-height:1.65}
.plan ul li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand);font-weight:700;font-size:12.5px}
.plan .btn{width:100%}

/* ---- 价格卡三主题：蓝 / 金 / 黑金 ---- */
/* 蓝色（启航版）——白底 + 品牌蓝顶条 */
.plan.t-blue{border-top:3px solid var(--brand)}
.plan.t-blue .price .cur{color:var(--brand)}
.plan.t-blue .price .num{color:var(--title)}
.plan.t-blue ul li::before{color:var(--brand)}

/* 金色（标准版）——暖白底 + 金色点缀 + 柔光阴影 */
.plan.t-gold{background:linear-gradient(180deg,#FFFDF6 0%,#FFFFFF 42%);border:1px solid #EAD9B0;border-top:3px solid var(--gold);box-shadow:0 16px 44px rgba(199,154,78,.18)}
.plan.t-gold:hover{box-shadow:0 22px 54px rgba(199,154,78,.26)}
.plan.t-gold .flag{background:linear-gradient(135deg,#DDB872,#C79A4E)}
.plan.t-gold h3{color:#9A7324}
.plan.t-gold .price .cur{color:var(--gold)}
.plan.t-gold .price .num{color:#A9812F}
.plan.t-gold ul li::before{color:var(--gold)}
.plan.t-gold .btn-primary{background:linear-gradient(135deg,#DDB872,#C79A4E)}
.plan.t-gold .btn-primary:hover{background:#B5883E}

/* 深蓝底 + 重金（旗舰版）——背景参考 taimeiai card.dark，文字/点缀用比标准版更重的金色 */
.plan.t-dark{background:linear-gradient(160deg,#0B2038 0%,#163E66 100%);border:1.5px solid transparent;color:#EBD9A8;box-shadow:0 22px 54px rgba(11,32,56,.42);overflow:hidden}
.plan.t-dark::after{content:"";position:absolute;top:-96px;right:-96px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle at center,rgba(246,214,122,.16),rgba(246,214,122,0) 68%);pointer-events:none}
.plan.t-dark h3{color:#F6D67A}
.plan.t-dark .for{color:#DCBE7E}
.plan.t-dark .price .cur{color:#EAB543}
.plan.t-dark .price .num{color:#F6D67A}
.plan.t-dark .price .unit,.plan.t-dark .price-note{color:#D8BE86}
.plan.t-dark ul li{color:#EBD9A8}
.plan.t-dark ul li::before{color:#EAB543}
.plan.t-dark .btn-ghost{position:relative;z-index:1;background:rgba(246,214,122,.1);border-color:rgba(234,181,67,.6);color:#F6D67A}
.plan.t-dark .btn-ghost:hover{background:#EAB543;border-color:#EAB543;color:#0B2038}

.form-box{background:#fff;border-radius:var(--r-card);padding:34px;box-shadow:var(--sh-3)}
.field{margin-bottom:15px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--title)}
.field input,.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--line-2);border-radius:4px;padding:0 15px;
  font-size:14px;font-family:inherit;color:var(--text);background:#fff;transition:.2s;outline:none;
}
.field textarea{height:104px;padding:13px 15px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(75,111,232,.1)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7}

/* ============================================================
   页面头
   ============================================================ */
.page-hero{
  position:relative;padding:132px 0 70px;overflow:hidden;
  background:linear-gradient(180deg,#F4F7FF 0%,#FAFBFF 60%,#FFFFFF 100%);
}
.page-hero .ph-bg{display:none}
.page-hero .ph-veil{position:absolute;inset:0;z-index:0;pointer-events:none}
.page-hero .ph-veil::before{
  content:"";position:absolute;width:540px;height:540px;border-radius:50%;
  right:-160px;top:-220px;
  background:radial-gradient(circle,rgba(110,143,245,.16),rgba(110,143,245,0) 68%);
}
.page-hero .wrap{position:relative;z-index:2}
.crumb{font-size:12.5px;color:var(--text-3);display:flex;gap:8px;align-items:center;margin-bottom:14px}
.crumb a:hover{color:var(--brand)}
.page-hero h1{margin-bottom:14px}
.page-hero .lead{max-width:640px}
.page-hero .btn-row{margin-top:28px}

.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0}
.trust .wrap{display:flex;align-items:center;gap:42px;flex-wrap:wrap;justify-content:center}
.trust-item{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center}
.trust-item .n{font-size:25px;font-weight:800;color:var(--brand);letter-spacing:-.6px;line-height:1.1}
.trust-item .l{font-size:12.5px;color:var(--text-3)}
.trust-sep{width:1px;height:32px;background:var(--line-2)}

.chip{display:inline-block;padding:4px 12px;border-radius:5px;background:var(--brand-pale);color:var(--brand);font-size:12px;font-weight:700}
.chip.gold{background:var(--gold-pale);color:#8A6520}
.chip.gray{background:#F1F4F9;color:var(--text-3)}

.badges{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--line-2);border-radius:8px;background:#fff;font-size:13.5px;color:var(--text-2)}
.badge b{color:var(--title);font-weight:700}
.deep .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:rgba(255,255,255,.8)}
.deep .badge b{color:#fff}

.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--title)}
.faq-q .ind{width:26px;height:26px;border-radius:6px;flex:none;background:var(--brand-pale);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:15px;transition:.22s}
.faq-item.open .faq-q .ind{background:var(--brand);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 40px 22px 0;color:var(--text-2);font-size:14.5px;line-height:1.9}

/* 数据条 / 渐变带（克制版：不使用大面积纯色） */
.grad-band{
  border-radius:var(--r-card);padding:44px 44px;
  background:linear-gradient(135deg,#F2F6FF 0%,#E9F0FE 100%);
  border:1px solid var(--brand-pale2);
}
.grad-band h2{color:var(--title)}
.grad-band .gb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:30px}
.grad-band .gb-grid .n{font-size:32px;font-weight:800;color:var(--brand);letter-spacing:-1px;line-height:1.1}
.grad-band .gb-grid .l{font-size:13px;color:var(--text-2);margin-top:5px}

/* 案例卡 */
.case-blue{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;display:flex;flex-direction:column;transition:.24s;
}
.case-blue:hover{box-shadow:var(--sh-2);border-color:var(--brand-pale2)}
.case-blue .cb-tag{display:inline-block;font-size:11.5px;font-weight:700;background:var(--brand-pale);color:var(--brand);padding:4px 11px;border-radius:5px;align-self:flex-start}
.case-blue h4{font-size:17.5px;margin:15px 0 10px;line-height:1.5}
.case-blue p{font-size:14px;color:var(--text-2);line-height:1.8;flex:1}
.case-blue .cb-kpi{display:flex;gap:26px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.case-blue .cb-kpi .n{font-size:22px;font-weight:800;color:var(--brand);letter-spacing:-.5px}
.case-blue .cb-kpi .l{font-size:12px;color:var(--text-3);margin-top:1px}

.case-card{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;transition:.24s;display:flex;flex-direction:column}
.case-card:hover{box-shadow:var(--sh-2)}
.case-card .cc-img{aspect-ratio:16/10;overflow:hidden}
.case-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case-card:hover .cc-img img{transform:scale(1.04)}
.case-card .cc-body{padding:24px 22px 26px;flex:1;display:flex;flex-direction:column}
.case-card h4{font-size:17px;margin-bottom:9px;line-height:1.5}
.case-card p{font-size:14px;color:var(--text-2);line-height:1.8;flex:1}
.case-card .cc-kpi{display:flex;gap:24px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.case-card .cc-kpi .n{font-size:21px;font-weight:800;color:var(--brand);letter-spacing:-.5px}
.case-card .cc-kpi .l{font-size:12px;color:var(--text-3);margin-top:1px}

.case-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:48px 0;border-bottom:1px solid var(--line)}
.case-row:last-child{border-bottom:0}
.case-row .visual{border-radius:var(--r-card);overflow:hidden}

/* CTA（收尾深色区） */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-card);min-height:250px;display:flex;align-items:center;background:var(--dark)}
.cta-band .cb-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.14}
.cta-band .cb-veil{position:absolute;inset:0;background:linear-gradient(100deg,#2B3550 0%,#33406A 60%,#3B4A7A 100%)}
.cta-band .inner{position:relative;z-index:2;padding:52px 54px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;width:100%}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.68);margin-top:12px;font-size:15px}

/* 兼容旧类 */
.cd-text{position:relative}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px;display:flex;flex-direction:column;transition:.24s}
.quote:hover{box-shadow:var(--sh-2)}
.quote .mark{font-size:36px;line-height:.6;color:var(--brand-pale2);font-weight:800;font-family:Georgia,serif}
.quote p{font-size:14px;color:var(--text-2);margin-top:14px;line-height:1.9;flex:1}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.quote .av{width:40px;height:40px;border-radius:10px;flex:none;background:var(--brand-pale);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.quote .nm{font-weight:700;font-size:14.5px;color:var(--title)}
.quote .co{font-size:12.5px;color:var(--text-3)}
.quote .kpi{display:flex;gap:24px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-2)}
.quote .kpi .n{font-size:21px;font-weight:800;color:var(--brand);letter-spacing:-.5px}
.quote .kpi .l{font-size:12px;color:var(--text-3)}
.deep{background:var(--bg-alt);color:var(--text)}
.deep .lead{color:var(--text-2)}
.card-dark{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;transition:.24s}
.card-dark:hover{box-shadow:var(--sh-2)}
.card-dark h4{color:var(--title);margin-bottom:8px}
.card-dark p{color:var(--text-2);font-size:14px;line-height:1.8}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;margin-top:18px}
.stats .s{background:#fff;padding:30px 24px}
.stats .n{font-size:34px;font-weight:800;letter-spacing:-1.2px;color:var(--brand);line-height:1.05}
.stats .n small{font-size:15px;font-weight:700}
.stats .l{font-size:13px;color:var(--text-3);margin-top:6px}
.stats.dark{background:var(--line);border-color:var(--line)}
.stats.dark .s{background:#fff}
.stats.dark .n{color:var(--brand)}
.stats.dark .l{color:var(--text-3)}
.shot{border-radius:14px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2)}
.shot .sb{height:38px;background:#FAFBFF;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:7px;padding:0 14px}
.shot .sb i{width:9px;height:9px;border-radius:50%;background:#DDE5F2}
.shot .sb span{margin-left:8px;height:8px;width:160px;border-radius:4px;background:var(--bg-alt2)}
.shot .sc{padding:20px}
.cmd{background:var(--bg-alt);border:1px solid var(--line);border-radius:8px;padding:12px 15px;font-size:13px;color:var(--text-2);display:flex;gap:9px;align-items:flex-start;line-height:1.75}
.cmd .prompt{color:var(--brand);font-weight:800;white-space:nowrap}
.task{display:flex;gap:11px;align-items:flex-start;background:var(--bg-alt);border:1px solid var(--line);border-radius:8px;padding:11px 13px}
.task .who{width:28px;height:28px;border-radius:8px;flex:none;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff}
.task .tx{font-size:12.5px;color:var(--text-2);line-height:1.7}
.task .tx b{color:var(--title);font-weight:700}
.task .st{margin-left:auto;font-size:10px;padding:3px 8px;border-radius:4px;background:var(--brand-pale);color:var(--brand);white-space:nowrap;align-self:center;font-weight:700}
.task .st.done{background:var(--gold-pale);color:#8A6520}
.mock{width:100%;background:#fff;border-radius:12px;box-shadow:var(--sh-2);border:1px solid var(--line);overflow:hidden}
.mock .mb{height:34px;background:#FAFBFF;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:6px;padding:0 12px}
.mock .mb i{width:8px;height:8px;border-radius:50%;background:#DDE5F2}
.mock .mc{padding:16px}
.mock .mc .r{height:9px;border-radius:4px;background:var(--bg-alt2);margin-bottom:10px}
.mock .mc .r.w70{width:70%}.mock .mc .r.w50{width:50%}.mock .mc .r.w90{width:90%}
.mock .mc .r.blue{background:var(--brand-pale2)}
.mock .mc .bar{display:flex;gap:8px;margin-top:16px;align-items:flex-end;height:70px}
.mock .mc .bar i{flex:1;background:var(--brand-pale2);border-radius:3px 3px 0 0}
.mock .mc .bar i:nth-child(n+3){background:var(--brand-l)}

.hlist{display:flex;flex-direction:column;gap:22px;margin-top:28px}
.hitem{display:flex;gap:14px;align-items:flex-start}
.hitem .n{width:30px;height:30px;border-radius:8px;flex:none;background:var(--brand-pale);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800}
.hitem .t{display:block;font-weight:700;font-size:15px;color:var(--title)}
.hitem .d{display:block;font-size:14px;color:var(--text-2);line-height:1.8;margin-top:3px}
.feat-list{margin-top:28px}
.feat-row{display:grid;grid-template-columns:190px 1fr;gap:26px;padding:21px 0;border-top:1px solid var(--line)}
.feat-row:last-child{border-bottom:1px solid var(--line)}
.feat-row .k{display:flex;gap:10px;align-items:center;font-size:15px;font-weight:700;color:var(--title)}
.feat-row .k .num{width:24px;height:24px;border-radius:6px;flex:none;background:var(--brand-pale);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800}
.feat-row .v{color:var(--text-2);font-size:14px;line-height:1.85}
.feat-row .v em{font-style:normal;color:var(--brand);font-weight:600}
.media-frame{border-radius:var(--r-card);overflow:hidden;position:relative;box-shadow:var(--sh-2);background:var(--bg-alt)}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block}
.frame-cap{position:absolute;left:0;right:0;bottom:0;padding:46px 26px 22px;background:linear-gradient(180deg,transparent,rgba(20,32,60,.8));color:#fff}
.frame-cap .t{font-weight:700;font-size:15px}
.frame-cap .d{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:3px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.reverse .split-media{order:2}
.split.reverse .split-text{order:1}
.split.wide-media{grid-template-columns:1.05fr .95fr}
.split-media{position:relative}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:#2E3141;color:rgba(255,255,255,.6);padding:70px 0 0}
.footer-top{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:40px;padding-bottom:48px}
.footer-brand .logo-cn{color:#fff}
.footer-brand p{font-size:13.5px;color:rgba(255,255,255,.45);margin-top:18px;line-height:1.85;max-width:310px}
.footer-brand .share{display:flex;gap:9px;margin-top:20px}
.footer-brand .share a{width:36px;height:36px;border-radius:8px;border:1px solid rgba(255,255,255,.16);background:transparent;display:flex;align-items:center;justify-content:center;font-size:12.5px;color:rgba(255,255,255,.7);transition:.2s}
.footer-brand .share a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.footer-col h5{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;font-size:13.5px;padding:6px 0;color:rgba(255,255,255,.55);transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.38)}
.footer-bottom .links{display:flex;gap:22px;flex-wrap:wrap}

/* ============================================================
   联系我们（斜切深色收尾区）
   ============================================================ */
/* 实测：linear-gradient(to right, #F5F7FF 50%, #373B52 50%) 左右分色 */
.contact-dark{
  position:relative;overflow:hidden;padding:80px 0;
  background:linear-gradient(to right,#F5F7FF 0%,#F5F7FF 50%,#373B52 50%,#373B52 100%);
}
.contact-dark::before,.contact-dark::after{display:none}
.contact-dark .cd-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;position:relative;z-index:2}
.contact-dark .cd-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.contact-dark .cd-list li{font-size:14px;color:var(--text);padding-left:26px;position:relative}
.contact-dark .cd-list li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:3px;background:var(--brand-pale2)}
.contact-dark .cd-form{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.18)}
.contact-dark .cd-form .field input{border-color:var(--line-2)}

@media (max-width:1080px){
  .contact-dark .cd-grid{grid-template-columns:1fr;gap:36px}
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  .nav{display:none}
  .burger{display:flex}
  .hero{padding-top:112px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:600px}
  .mod,.mod.wide-text{grid-template-columns:1fr;gap:36px}
  .mod.rev .mod-media,.mod.rev .mod-text{order:0}
  .split,.split.wide-media{grid-template-columns:1fr;gap:36px}
  .split.reverse .split-media,.split.reverse .split-text{order:0}
  .tabs-wrap{grid-template-columns:1fr;gap:28px}
  .tab-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px}
  .tab-btn{flex-direction:column;align-items:flex-start;min-width:165px;gap:10px}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .adv,.stat-row,.grad-band .gb-grid{grid-template-columns:repeat(2,1fr)}
  .stat-row .s{border-right:0;border-bottom:1px solid var(--line)}
  .hot{grid-template-columns:1fr;gap:36px}
  .flow{grid-template-columns:repeat(2,1fr);gap:30px}
  .flow .step::after{display:none}
  .footer-top{grid-template-columns:1fr 1fr 1fr}
  .case-row{grid-template-columns:1fr;gap:28px}
  .price-grid{grid-template-columns:1fr}
  .section{padding:76px 0}
  .app-body{grid-template-columns:118px 1fr}
}
@media (max-width:720px){
  .wrap{padding:0 20px}
  .section{padding:60px 0}
  .hero{padding:104px 0 56px}
  .g2,.g3,.g4,.adv,.stat-row{grid-template-columns:1fr}
  .grad-band{padding:32px 24px}
  .grad-band .gb-grid{grid-template-columns:1fr;gap:18px}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px}
  .cta-band .inner{padding:38px 24px}
  .feat-row{grid-template-columns:1fr;gap:9px}
  .compare-head,.compare-row{grid-template-columns:1.1fr 1fr 1fr;font-size:12.5px}
  .compare-head div,.compare-row div{padding:13px 11px}
  .field-row{grid-template-columns:1fr}
  .page-hero{padding:106px 0 56px}
  .float-card{display:none}
  .logo-wall{gap:18px}
  .app-body{grid-template-columns:1fr}
  .app-side{display:none}
  .hero-trust .wrap{flex-direction:column;align-items:flex-start}
}

/* ============================================================
   v10 · Hero 重构：深色圆角 banner 卡
   左文案 + 中 3D 视觉 + 右表单（对齐参考站 banner 结构）
   ============================================================ */
.hero{position:relative;padding:60px 0 0;background:#070C1C;overflow:hidden}
.hero::before{content:none}
.hero-veil{display:none}
.hero > .wrap{max-width:none;padding:0;position:relative;z-index:2}
.hero-card{
  position:relative;border-radius:0;overflow:hidden;
  background:radial-gradient(ellipse 64% 92% at 52% 46%,#162f80 0%,#0b1533 44%,#070c1c 100%);
  border:0;
  padding:54px 0 40px;
}
.hero-3col{
  max-width:1200px;margin:0 auto;padding:0 28px;
  display:grid;grid-template-columns:.92fr 1.16fr .92fr;gap:28px;align-items:center;position:relative;z-index:2;
}
.hero-pill{
  display:inline-flex;align-items:center;gap:7px;padding:6px 15px;border-radius:100px;
  background:linear-gradient(94deg,rgba(150,120,255,.3),rgba(76,106,255,.3));
  border:1px solid rgba(170,150,255,.45);
  font-size:13px;font-weight:500;color:#DCCFFF;
}
.hero-title{font-size:clamp(30px,3.3vw,48px);line-height:1.16;font-weight:600;color:#fff;margin:20px 0 0;letter-spacing:normal}
.hero-h2{font-size:clamp(17px,1.55vw,23px);line-height:1.45;font-weight:600;color:#fff;margin:14px 0 0}
.hero-desc{font-size:14px;color:rgba(255,255,255,.6);line-height:1.7;margin-top:12px;max-width:330px}
.hero .btn-row{margin-top:26px;gap:12px}
.hero-3d img{
  width:100%;max-width:470px;margin:0 auto;display:block;
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000 50%,rgba(0,0,0,0) 74%);
  mask-image:radial-gradient(circle at 50% 50%,#000 50%,rgba(0,0,0,0) 74%);
}
.hero-form{
  background:#fff;border-radius:12px;padding:22px 22px 24px;
  box-shadow:0 20px 50px rgba(0,0,0,.38);
}
.hero-form h4{font-size:16px;font-weight:600;color:var(--title);margin-bottom:16px}
.hero-form .field{margin-bottom:12px}
.hero-form .field input{height:42px;border-radius:4px;font-size:14px;border-color:#E2E9F5}
.hero-form .field-row{display:grid;grid-template-columns:1fr 110px;gap:8px}
.hero-form .agree{display:flex;align-items:flex-start;gap:7px;font-size:12.5px;color:var(--text-3);margin:14px 0 16px;cursor:pointer;line-height:1.6}
.hero-form .agree input{width:14px;height:14px;margin-top:2px;accent-color:var(--brand)}
.btn-code{height:42px;border:1px solid #E2E9F5;border-radius:4px;background:#FAFAFA;font-size:14px;color:var(--text-3)}
.hero-dots{display:flex;gap:7px;justify-content:center;padding:28px 0 2px;position:relative;z-index:2}
.hero-dots i{width:7px;height:7px;border-radius:100px;background:rgba(255,255,255,.25);transition:.3s}
.hero-dots i.on{width:22px;background:#fff}
.hero-trust{background:#fff;border-top:0;padding:24px 0 6px;margin-top:0}
.hero-trust .lbl{color:var(--text-3)}
.logo-wall span{color:#B4BECB}
.logo-wall span:hover{color:var(--brand)}

@media (max-width:1080px){
  .hero-3col{grid-template-columns:1fr;gap:28px}
  .hero-3d{order:-1}
  .hero-3d img{max-width:380px}
  .hero-form{max-width:420px}
  .hero-card{padding:36px 28px 18px}
}
@media (max-width:720px){
  .hero{padding:60px 0 0}
  .hero-card{padding:34px 0 26px}
  .hero-desc{max-width:none}
}

/* ============================================================
   v11 · 底部「立即开通」常驻浮窗
   ============================================================ */
/* 仅为带常驻浮窗的首页预留高度，其它页面不允许出现底部空白 */
body[data-page="index"]{padding-bottom:62px}
.promo-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:120;
  background:#2B3040;border-top:1px solid rgba(255,255,255,.08);
  box-shadow:0 -8px 30px rgba(0,0,0,.3);transition:transform .35s ease;
}
.promo-bar.hide{transform:translateY(110%)}
.promo-inner{
  max-width:1440px;margin:0 auto;padding:11px 54px 11px 28px;
  display:flex;align-items:center;gap:26px;position:relative;
}
.promo-text{font-size:14px;color:#fff;line-height:1.5}
.promo-text em{font-style:normal;color:#FFB43C;font-weight:600}
.promo-agree{display:flex;align-items:center;gap:6px;font-size:12px;color:rgba(255,255,255,.45);margin-top:5px;cursor:pointer}
.promo-agree input{width:13px;height:13px;accent-color:var(--brand)}
.promo-form{display:flex;gap:8px;margin-left:auto;flex:none}
.promo-form input{
  height:40px;border:0;border-radius:4px;background:#3A4053;color:#fff;
  padding:0 13px;font-size:13px;width:178px;outline:none;font-family:inherit;
}
.promo-form input::placeholder{color:rgba(255,255,255,.42)}
.promo-form .btn{height:40px;padding:0 26px;font-size:14px}
.promo-close{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:6px;color:rgba(255,255,255,.45);
  font-size:19px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.promo-close:hover{color:#fff;background:rgba(255,255,255,.08)}

@media (max-width:1180px){
  .promo-form input:nth-child(1),.promo-form input:nth-child(3){display:none}
  .promo-inner{gap:18px}
}
@media (max-width:860px){
  .promo-bar{display:none}
  body[data-page="index"]{padding-bottom:0}
}

/* ============================================================
   v12 · 导航栏 + Hero 替换为 OKKI 版式
   实测：主色 #017AFF / 按钮胶囊 radius 200px / header 64px
   ============================================================ */
/* 未滚动时导航透明（浮在 banner 上），滚动后才出现白底 —— 对齐 OKKI */
.site-header{height:64px;background:transparent;backdrop-filter:none}
.site-header.scrolled{background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(14px)}
/* banner 下方客户名称行不再使用 */
.hero-trust{display:none}
.header-actions .btn{border-radius:200px;height:40px;padding:0 22px;font-size:14px}
.btn-login{border:1px solid var(--brand);color:var(--brand);background:transparent}
.btn-login:hover{background:var(--brand-pale)}
.hdr-globe{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;color:var(--text-2);transition:.2s}
.hdr-globe:hover{background:var(--brand-pale);color:var(--brand)}
.hdr-globe svg{width:19px;height:19px}

/* Hero · OKKI 版式（浅色渐变 + 左文 + 右表单卡） */
.hero{
  position:relative;padding:100px 0 50px;overflow:hidden;
  background:linear-gradient(165deg,#FFFFFF 0%,#F5F9FF 42%,#E7F1FF 100%);
}
.hero::before{content:none}
.hero-veil{display:none}
.hero-bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero-bg::before{
  content:"";position:absolute;width:780px;height:780px;border-radius:50%;
  left:-200px;top:-300px;
  background:radial-gradient(circle,rgba(150,190,255,.34),rgba(150,190,255,0) 68%);
}
.hero-bg::after{
  content:"";position:absolute;width:640px;height:640px;border-radius:50%;
  right:-180px;bottom:-280px;
  background:radial-gradient(circle,rgba(110,195,255,.26),rgba(110,195,255,0) 70%);
}
.hero > .wrap{max-width:1200px;padding:0 28px;position:relative;z-index:2}
.hero-2col{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:100px;
  background:#fff;border:1px solid #CFE3FF;box-shadow:0 6px 18px rgba(1,122,255,.1);
  font-size:14px;color:var(--brand);font-weight:500;
}
.hero-tag .tag-ico{width:18px;height:18px;flex:none;display:block}
.hero-h1{font-size:clamp(32px,3.9vw,54px);line-height:1.2;font-weight:700;color:#1E2026;margin:24px 0 0;letter-spacing:normal}
.hero-h1 .grad{background:linear-gradient(180deg, #6264FF 5%, #7526FF 80.71%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-h1 .grad2{background:linear-gradient(180deg, #6264FF 5%, #7526FF 80.71%);-webkit-background-clip:text;background-clip:text;color:transparent;font-size: clamp(36px,4.3vw,62px); vertical-align: -0.06em;}
.hero-p{font-size:15px;color:#6B7280;line-height:1.9;margin-top:20px;max-width:530px}
.hero-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px}
.hero-kpis .k{font-size:22px;font-weight:700;color:var(--brand);line-height:1.2}
.hero-kpis .v{font-size:13px;color:#6B7280;margin-top:6px;line-height:1.5}

.hero-form{
  background:#fff;border-radius:16px;padding:28px 26px 26px;
  box-shadow:0 22px 60px rgba(30,80,160,.14);border:1px solid #EDF3FF;
}
.hero-form .field{margin-bottom:13px}
.hero-form .field input,.hero-form .field select{
  height:46px;border-radius:8px;font-size:14px;border-color:#E3EDFB;background:#fff;color:var(--text);
}
.hero-form .field select{appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239AA5B4' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 14px center/11px;padding-right:36px}
.hero-form .field-row{display:grid;grid-template-columns:1fr 108px;gap:9px}
.hero-form .agree{display:flex;align-items:flex-start;gap:7px;font-size:12.5px;color:var(--text-3);margin:16px 0 16px;cursor:pointer;line-height:1.6}
.hero-form .agree input{width:14px;height:14px;margin-top:2px;accent-color:var(--brand)}
.hero-form .btn-form{border-radius:100px;height:46px;font-size:15px}
.btn-code{height:46px;border:1px solid var(--brand);border-radius:100px;background:#fff;font-size:13px;color:var(--brand)}
.btn-code:hover{background:var(--brand-pale)}

@media (max-width:1080px){
  .hero{padding:96px 0 60px}
  .hero-2col{grid-template-columns:1fr;gap:36px}
  .hero-form{max-width:480px}
  .hero-kpis{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .hero{padding:88px 0 48px}
  .hero-kpis{gap:12px}
}

/* ============================================================
   v15 · 功能内页（参考 xiaoman.cn 产品页版式）
   ============================================================ */
.phero{position:relative;padding:106px 0 78px;overflow:hidden;background:linear-gradient(160deg,#FFFFFF 0%,#F4F8FF 40%,#E6F0FF 100%)}
.phero-bg{position:absolute;inset:0;pointer-events:none}
.phero-bg::before{content:"";position:absolute;width:780px;height:780px;border-radius:50%;left:-220px;top:-300px;background:radial-gradient(circle,rgba(150,190,255,.32),rgba(150,190,255,0) 68%)}
.phero-bg::after{content:"";position:absolute;width:680px;height:680px;border-radius:50%;right:-200px;top:-180px;background:radial-gradient(circle,rgba(150,130,255,.2),rgba(150,130,255,0) 70%)}
.phero .wrap{position:relative;z-index:2}
.phero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.phero-crumb{font-size:12.5px;color:var(--text-3);margin-bottom:22px}
.phero-crumb a:hover{color:var(--brand)}
.phero-h1{font-size:clamp(27px,3.1vw,43px);line-height:1.3;font-weight:700;color:#1E2026;letter-spacing:normal}
.phero-h1 .b{background:linear-gradient(96deg,#017AFF,#4DA3FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.phero-h1 .p{color:#7B61FF}
.phero-h1 .u{position:relative;display:inline-block}
.phero-h1 .u::after{content:"";position:absolute;left:0;right:0;bottom:1px;height:9px;background:rgba(1,122,255,.15);border-radius:4px;z-index:-1}
.phero-sub{font-size:17px;font-weight:600;color:#1E2026;margin-top:26px}
.phero-sub b{color:var(--brand)}
.phero-checks{display:grid;grid-template-columns:1fr 1fr;gap:13px 26px;margin-top:22px;max-width:440px}
.phero-checks li{font-size:14.5px;color:#3E4A5C;display:flex;align-items:center;gap:9px}
.phero-checks li::before{content:"✓";color:var(--brand);font-weight:700;font-size:13px;flex:none}
.phero .btn-row{margin-top:32px}
.phero-right .hero-form{max-width:420px;margin-left:auto}

/* 彩色高亮标题 */
.sec{padding:78px 0}
.sec.alt-bg{background:#F7FAFF}
.sec-h{text-align:center;margin-bottom:48px}
.sec-h .top{font-size:clamp(21px,2.3vw,31px);font-weight:700;color:#7B61FF;line-height:1.34}
.sec-h .main{font-size:clamp(21px,2.3vw,31px);font-weight:700;color:#1E2026;line-height:1.34;margin-top:6px}
.sec-h .main b{color:#7B61FF}
.sec-h .lead{margin-top:14px}

/* 4 列功能卡 */
.fcards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.fcard{border-radius:18px;padding:26px 22px 22px;text-align:center;background:linear-gradient(168deg,#FFFFFF 0%,#EEF5FF 100%);border:1px solid #EAF2FF;transition:.26s}
.fcard:nth-child(2n){background:linear-gradient(168deg,#FFFFFF 0%,#F1EEFF 100%);border-color:#EDE9FF}
.fcard:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(30,80,160,.12)}
.fcard h4{font-size:17px;line-height:1.5;margin-bottom:18px;color:#1E2026}
.fcard .fi{width:76px;height:76px;margin:0 auto;border-radius:20px;background:linear-gradient(150deg,#4DA3FF,#017AFF);display:flex;align-items:center;justify-content:center;color:#fff;font-size:29px;font-weight:700;box-shadow:0 14px 30px rgba(1,122,255,.24)}
.fcard:nth-child(2n) .fi{background:linear-gradient(150deg,#A08CFF,#7B61FF);box-shadow:0 14px 30px rgba(123,97,255,.24)}

/* 流程步骤 */
.steps-wrap{border-radius:20px;padding:44px;background:linear-gradient(160deg,#F8FAFF,#F1F0FF);border:1px solid #EDF1FB}
.steps{display:grid;grid-template-columns:1fr 1fr;gap:34px 54px}
.step{display:flex;gap:16px}
.step .sn{width:34px;height:34px;border-radius:50%;flex:none;background:#F0EDFF;color:#7B61FF;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center}
.step h4{font-size:16.5px;margin-bottom:7px;color:#1E2026}
.step p{font-size:14px;color:#6B7280;line-height:1.75}

/* 内页图文两栏 */
.two{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.two.rev .two-media{order:2}
.two.rev .two-text{order:1}
.two h2{font-size:clamp(23px,2.5vw,34px);line-height:1.34;color:#1E2026;margin-bottom:18px}
.two h2 b{color:#7B61FF}
.two h2 .b{background:linear-gradient(96deg,#017AFF,#4DA3FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.two p{font-size:14.5px;color:#6B7280;line-height:1.9}
.two-media img{width:100%;max-width:560px;display:block;margin:0 auto}

@media (max-width:1080px){
  .phero{padding:96px 0 60px}
  .phero-grid{grid-template-columns:1fr;gap:36px}
  .phero-right .hero-form{max-width:460px;margin:0}
  .fcards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr;gap:26px}
  .two{grid-template-columns:1fr;gap:32px}
  .two.rev .two-media,.two.rev .two-text{order:0}
}
@media (max-width:720px){
  .phero{padding:88px 0 48px}
  .phero-checks{grid-template-columns:1fr}
  .fcards{grid-template-columns:1fr}
  .steps-wrap{padding:26px}
  .sec{padding:58px 0}
}

/* ============================================================
   v16 · 文章列表页 + 文章内容页（参考 xiaoman.cn/article）
   ============================================================ */
.art-hero{position:relative;padding:104px 0 60px;overflow:hidden;background:linear-gradient(160deg,#FFFFFF 0%,#F2F7FF 46%,#E8F1FF 100%)}
.art-hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:44px;align-items:center}
.art-hero h1{font-size:clamp(28px,3.2vw,42px);font-weight:700;color:#1E2026;letter-spacing:normal}
.art-hero p{font-size:15px;color:#6B7280;margin-top:14px}
.art-hero .ill{max-width:420px}

.art-tabs{display:flex;gap:38px;border-bottom:1px solid var(--line-2);margin-bottom:38px;overflow-x:auto}
.art-tabs a{padding:0 0 15px;font-size:15px;color:var(--text-2);white-space:nowrap;border-bottom:2px solid transparent;transition:.2s}
.art-tabs a.on{color:var(--brand);font-weight:600;border-bottom-color:var(--brand)}
.art-tabs a:hover{color:var(--brand)}

.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px 28px}
.art-card{display:block;transition:.24s}
.art-card .thumb{border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:var(--bg-alt);margin-bottom:16px}
.art-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.art-card:hover .thumb img{transform:scale(1.04)}
.art-card h3{font-size:17px;line-height:1.5;color:#1E2026;margin-bottom:10px;transition:.2s}
.art-card:hover h3{color:var(--brand)}
.art-card p{font-size:13.5px;color:#6B7280;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pager{display:flex;gap:8px;justify-content:center;margin-top:52px}
.pager a{min-width:36px;height:36px;padding:0 12px;border-radius:8px;border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-2);transition:.2s}
.pager a.on{background:var(--brand);border-color:var(--brand);color:#fff}
.pager a:hover:not(.on){border-color:var(--brand);color:var(--brand)}

.post{max-width:800px;margin:0 auto}
.post h1{font-size:clamp(22px,2.4vw,30px);line-height:1.45;color:#1E2026;font-weight:700}
.post .meta{font-size:13px;color:var(--text-3);margin-top:16px;padding-left:12px;border-left:2px solid var(--line-2)}
.post .abstract{background:#F0F6FF;border-left:3px solid var(--brand);border-radius:0 8px 8px 0;padding:18px 22px;margin:30px 0;font-size:14.5px;color:#3E4A5C;line-height:1.85}
.post p{font-size:15px;color:#4A5568;line-height:1.95;margin:20px 0}
.post h2{font-size:21px;color:#1E2026;margin:40px 0 16px;font-weight:700}
.post ul{margin:16px 0}
.post ul li{font-size:15px;color:#4A5568;line-height:1.9;padding-left:20px;position:relative;margin:9px 0}
.post ul li::before{content:"";position:absolute;left:0;top:13px;width:5px;height:5px;border-radius:50%;background:var(--brand)}
.post table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.post th{background:#F7FAFF;color:#1E2026;font-weight:600;text-align:left;padding:12px 16px;border:1px solid var(--line-2)}
.post td{padding:12px 16px;border:1px solid var(--line-2);color:#4A5568;line-height:1.7}
.post .tip{margin-top:40px;padding:20px 24px;border-radius:12px;background:linear-gradient(120deg,#F0F6FF,#F2F0FF);border:1px solid #E4EDFF}

@media (max-width:1080px){
  .art-grid{grid-template-columns:repeat(2,1fr)}
  .art-hero-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:720px){
  .art-grid{grid-template-columns:1fr;gap:26px}
  .art-tabs{gap:22px}
  .art-hero{padding:88px 0 44px}
}

/* ============================================================
   v17 · 外贸学院（课程列表 + 课程详情，参考 xiaoman.cn/course）
   ============================================================ */
.crs-hero{position:relative;padding:104px 0 58px;overflow:hidden;background:linear-gradient(160deg,#FFFFFF 0%,#F3F7FF 46%,#EDE9FF 100%)}
.crs-hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:44px;align-items:center}
.crs-hero h1{font-size:clamp(28px,3.2vw,42px);font-weight:700;color:#1E2026;letter-spacing:normal}
.crs-hero p{font-size:15px;color:#6B7280;margin-top:14px}
.crs-hero .ill{max-width:420px}

.crs-tabs{display:flex;gap:38px;border-bottom:1px solid var(--line-2);margin-bottom:38px;overflow-x:auto}
.crs-tabs a{padding:0 0 15px;font-size:15px;color:var(--text-2);white-space:nowrap;border-bottom:2px solid transparent;transition:.2s}
.crs-tabs a.on{color:var(--brand);font-weight:600;border-bottom-color:var(--brand)}
.crs-tabs a:hover{color:var(--brand)}

.crs-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px 36px}
.crs-card{display:block;transition:.24s}
.crs-card .cover{
  position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/9;padding:38px 34px;
  background:linear-gradient(135deg,#CBB9FF 0%,#E4DDFF 62%,#F2EEFF 100%);
  display:flex;align-items:center;transition:.3s;
}
.crs-card:nth-child(3n+2) .cover{background:linear-gradient(135deg,#A9C8FF 0%,#DCE8FF 62%,#F0F5FF 100%)}
.crs-card:hover .cover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(80,60,170,.18)}
.crs-card .cover .ct{font-size:clamp(19px,1.9vw,25px);font-weight:700;color:#6B4DE6;line-height:1.36;max-width:64%}
.crs-card:nth-child(3n+2) .cover .ct{color:#1F63D6}
.crs-card .cover .ct em{font-style:normal;display:block;font-size:.78em;margin-top:6px;color:#8E7BF0}
.crs-card .cover .play{
  position:absolute;right:22px;bottom:20px;width:44px;height:44px;border-radius:50%;
  background:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(60,40,140,.18);transition:.24s;
}
.crs-card:hover .cover .play{transform:scale(1.08)}
.crs-card .cover .play svg{width:15px;height:15px;fill:#6B4DE6;margin-left:2px}
.crs-card:nth-child(3n+2) .cover .play svg{fill:#1F63D6}
.crs-card .cover .ai{
  position:absolute;right:74px;top:26px;padding:4px 12px;border-radius:100px;
  background:rgba(255,255,255,.85);font-size:12px;font-weight:700;color:#6B4DE6;
}
.crs-card h3{font-size:17px;line-height:1.5;color:#1E2026;margin:18px 0 8px;transition:.2s}
.crs-card:hover h3{color:var(--brand)}
.crs-card .date{font-size:13px;color:var(--text-3)}

/* 课程详情页 */
.crs-post{max-width:900px;margin:0 auto;position:relative}
.crs-post h1{font-size:clamp(22px,2.4vw,30px);line-height:1.45;color:#1E2026;font-weight:700;padding-right:60px}
.crs-post .meta{font-size:13px;color:var(--text-3);margin-top:16px;padding-left:12px;border-left:2px solid var(--line-2)}
.crs-share{position:absolute;right:0;top:6px;display:flex;flex-direction:column;gap:10px}
.crs-share a{width:38px;height:38px;border-radius:50%;border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;color:var(--text-3);transition:.2s}
.crs-share a:hover{border-color:var(--brand);color:var(--brand)}
.crs-share a svg{width:17px;height:17px}
.crs-player{
  position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/9;margin:34px 0 0;
  background:linear-gradient(135deg,#B9A6FF 0%,#DCD3FF 55%,#F1EEFF 100%);
  display:flex;align-items:center;justify-content:center;
}
.crs-player .bigplay{
  width:78px;height:78px;border-radius:50%;background:rgba(255,255,255,.94);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 46px rgba(60,40,140,.26);transition:.24s;
}
.crs-player .bigplay:hover{transform:scale(1.06)}
.crs-player .bigplay svg{width:24px;height:24px;fill:#6B4DE6;margin-left:3px}
.crs-player .cap{position:absolute;left:0;right:0;bottom:0;padding:34px 22px 16px;background:linear-gradient(180deg,transparent,rgba(30,20,60,.55));color:#fff;font-size:13px}
.crs-nav{display:flex;flex-direction:column;gap:11px;margin-top:28px}
.crs-nav a{font-size:14px;color:var(--brand);transition:.2s}
.crs-nav a:hover{opacity:.75}
.crs-info{margin-top:38px}
.crs-info h2{font-size:20px;color:#1E2026;margin-bottom:14px;font-weight:700}
.crs-info p{font-size:15px;color:#4A5568;line-height:1.95}
.crs-info ul{margin:16px 0}
.crs-info ul li{font-size:15px;color:#4A5568;line-height:1.9;padding-left:20px;position:relative;margin:9px 0}
.crs-info ul li::before{content:"";position:absolute;left:0;top:13px;width:5px;height:5px;border-radius:50%;background:var(--brand)}

@media (max-width:1080px){
  .crs-grid{grid-template-columns:1fr;gap:32px}
  .crs-hero-grid{grid-template-columns:1fr;gap:26px}
  .crs-post h1{padding-right:0}
  .crs-share{position:static;flex-direction:row;margin-top:20px}
}
@media (max-width:720px){
  .crs-hero{padding:88px 0 44px}
  .crs-tabs{gap:22px}
  .crs-card .cover{padding:26px 22px}
  .crs-card .cover .ct{max-width:80%}
}

/* ============================================================
   v22 · 模块配图随子标题悬停切换（对齐 waimao.163.com 模块版式）
   每个模块左侧 3 张插画叠层，悬停右侧某个子标题即淡入对应那张
   ============================================================ */
.ill-stack{position:relative;width:100%;max-width:600px;margin:0 auto}
.ill-stack .ill{
  width:100%;max-width:100%;margin:0;display:block;
  opacity:0;transform:scale(1.02);transform-origin:center;
  transition:opacity .5s ease,transform .9s cubic-bezier(.2,.7,.3,1);
}
.ill-stack .ill:first-child{position:relative}
.ill-stack .ill:not(:first-child){position:absolute;top:0;left:0}
.ill-stack .ill.on{opacity:1;transform:none}

/* 子标题：激活项标题变蓝（与参考站一致，默认第一个激活） */
.fs .it{cursor:default}
.fs .it:not(.active) h4{color:var(--title)}
.fs .it.active h4{width:fit-content;background:linear-gradient(94.57deg,#00A2FF 4.67%,#0180FF 52.2%,#015EFF 99.73%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}

/* ============ v23：法律条款弹层（服务条款 / 隐私协议） ============ */
.legal-modal{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center}
.legal-modal.open{display:flex}
.legal-modal-mask{position:absolute;inset:0;background:rgba(18,22,38,.55);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}
.legal-modal-box{
  position:relative;width:min(960px,92vw);height:min(86vh,860px);
  background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:0 30px 80px rgba(10,16,40,.35);display:flex;flex-direction:column;
  animation:legalPop .25s ease;
}
@keyframes legalPop{from{transform:translateY(14px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.legal-modal-close{
  position:absolute;top:10px;right:12px;z-index:3;width:38px;height:38px;border:none;border-radius:50%;
  background:rgba(255,255,255,.92);color:#333;font-size:24px;line-height:1;cursor:pointer;
  box-shadow:0 2px 10px rgba(0,0,0,.18);transition:background .2s ease;
}
.legal-modal-close:hover{background:#fff}
.legal-modal-iframe{width:100%;height:100%;border:0;background:#fff}
@media (max-width:640px){
  .legal-modal-box{width:96vw;height:90vh;border-radius:12px}
}