/* ============================================================
   James｜跨境电商与出海实践 — 全站样式系统 V2.0
   米白暖纸 + 炭黑 + 暗橙（terracotta）/ 个人 IP 知识平台风 / 克制动效
   ============================================================ */

/* ---------- 变量 ---------- */
:root {
  --paper: #F7F6F2;        /* 页面主背景 · 米白暖白 */
  --surface: #FFFFFF;      /* 卡片/浮层 */
  --surface-2: #EFEDE6;    /* 次级区块 */
  --ink: #171717;          /* 主文字 · 炭黑 */
  --text: #171717;         /* 兼容别名 */
  --ink-2: #262621;
  --text-2: #66645F;       /* 次级文字 */
  --text-3: #9B9890;       /* 弱文字 */
  --line: #E3E0D8;         /* 边框/分隔线 */
  --accent: #A85D16;       /* 主强调色 · 暗橙 terracotta */
  --accent-hover: #8F4D12; /* 强调 hover */
  --accent-soft: #F3E5D7;  /* 强调浅底 */
  --accent-line: #D9B98F;  /* 装饰线 */
  --accent-action: #A85D16;    /* 主 CTA */
  --accent-action-hover: #8F4D12; /* CTA hover */
  --dark: #1B1B18;         /* 深色 Section */
  --dark-2: #262621;       /* 深色次级 */
  --on-dark: #F4F1EA;      /* 深色区主文字 */
  --dark-muted: #B8B3A8;   /* 深色区次文字 */
  --white: #FFFFFF;
  --paper-2: #FFFFFF;      /* 兼容别名 */
  --warm-1: #F7F6F2;       /* 暖米白 surface */
  --warm-2: #F3E5D7;       /* 强调浅底 */
  --amber: #A85D16;        /* 兼容别名 */
  --amber-line: #D9B98F;   /* 兼容别名 */
  --brand: #171717;        /* 标题统一炭黑 */
  --blue-gray: #9B9890;    /* 弱文字/非重点标签 */
  --muted: #66645F;        /* 次级文字 */
  --ok: #3E6B4F;           /* 语义绿 · 极少使用（状态点） */
  --font-zh: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
  --container: 1200px;
  --radius: 6px;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-zh);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 16px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- 页头 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(247, 246, 242, 0.96);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(247, 246, 242, 0.98); }
.header-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 34px; width: auto; }

.main-nav ul { display: flex; gap: 22px; }
.main-nav a {
  font-size: 14.5px; font-weight: 500; color: var(--text);
  padding: 8px 0; position: relative;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 2px; height: 2px; width: 0;
  background: var(--accent); transition: width .18s ease;
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--ink); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 16px; }
.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 13.5px; }
.lang-switch a { color: var(--muted); padding: 4px 6px; }
.lang-switch a.active { color: var(--ink); font-weight: 700; }
.lang-switch .sep { color: var(--line); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 26px; border-radius: var(--radius);
  font-size: 14.5px; font-weight: 600; letter-spacing: .02em;
  border: 1px solid transparent; transition: all .15s ease; white-space: nowrap;
}
.btn-solid { background: var(--accent-action); color: #fff; }
.btn-solid:hover { background: var(--accent-action-hover); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: var(--on-dark); }
.btn-accent { background: var(--accent-action); color: #fff; }
.btn-accent:hover { background: var(--accent-action-hover); }
.btn-light { border-color: rgba(244,241,234,.5); color: var(--on-dark); }
.btn-light:hover { background: var(--on-dark); color: var(--ink); }

/* 键盘可达性：统一 focus-visible（V2.20.3 FINAL POLISH） */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent-action);
  outline-offset: 3px;
  border-radius: 3px;
}

/* 汉堡菜单 */
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: var(--radius); background: transparent; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); transition: all .2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 通用区块 ---------- */
.section { padding: 104px 0; }
.section-tight { padding: 72px 0; }
.section-dark { background: var(--ink); color: var(--on-dark); }
.section-dark .h2 { color: var(--on-dark); }
.section-white { background: var(--paper-2); }
.section-warm { background: var(--surface-2); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase;
  color: var(--accent-hover); margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--accent); }
.eyebrow.center::after { content: ""; width: 34px; height: 1px; background: var(--accent); }

.h1, .h2, .h3 { font-weight: 800; color: var(--brand); line-height: 1.14; letter-spacing: -.01em; }
.h1 { font-size: clamp(40px, 6vw, 72px); }
.h2 { font-size: clamp(28px, 3.6vw, 44px); margin-bottom: 20px; }
.h3 { font-size: 21px; margin-bottom: 12px; }
.lead { font-size: 18px; color: #58554E; max-width: 640px; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .lead { margin-left: auto; margin-right: auto; }
.dark-muted { color: var(--dark-muted); }
.on-dark-text { color: var(--on-dark); }

/* 分割线 */
.rule { height: 1px; background: var(--line); border: 0; }

/* 入场动画 */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .55s ease-out, transform .55s ease-out; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/** ============================================================
    Hero V2.0 · 个人 IP 米白编辑风（James｜跨境电商与出海实践）
    ============================================================ */
.hero {
  background: linear-gradient(180deg, #FCFAF5 0%, #F7F6F2 100%);
  color: var(--ink);
  padding: 172px 0 76px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: ""; position: absolute; right: -140px; top: -160px; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(168,93,22,.09) 0%, rgba(168,93,22,0) 70%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; left: 6%; bottom: -140px; width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(23,23,23,.05) 0%, rgba(23,23,23,0) 70%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-split { display: grid; grid-template-columns: 1.12fr .88fr; gap: 56px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); padding: 7px 14px; border-radius: 999px;
  font-size: 13px; letter-spacing: .06em; color: var(--text-2); background: var(--surface);
  margin-bottom: 26px; animation: fadeUp .6s ease-out both;
}
.hero-tag b { color: var(--accent); font-weight: 700; }
.hero h1 { color: var(--ink); max-width: 820px; margin-bottom: 22px; animation: fadeUp .6s .08s ease-out both; }
.hero h1 .accent { color: var(--accent); }
.hero .lead { color: var(--text-2); max-width: 620px; margin-bottom: 34px; animation: fadeUp .6s .16s ease-out both; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; animation: fadeUp .6s .24s ease-out both; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; animation: fadeUp .6s .28s ease-out both; }
.hero-chips span {
  font-size: 13px; font-weight: 600; color: var(--text-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; background: var(--surface);
}
.hero-chips span b { color: var(--accent); font-weight: 700; }
.hero-visual { position: relative; animation: fadeUp .6s .2s ease-out both; }
.hero-visual-cap { display: block; margin-top: 12px; font-size: 11.5px; letter-spacing: .14em; color: var(--text-3); text-align: center; }
.hero-portrait { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 18px 44px rgba(23,23,23,.10); background: var(--surface); }
.hero-portrait img { width: 100%; height: 100%; object-fit: cover; display: block; aspect-ratio: 4 / 5; }
.hero-portrait-tag {
  position: absolute; left: 14px; bottom: 14px; display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; color: var(--ink);
  background: rgba(255,255,255,.94); border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px;
}
.hero-portrait-tag b { color: var(--accent); }
.hero-trust {
  margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  animation: fadeUp .6s .32s ease-out both;
}
.trust-item .num { font-family: var(--font-en); font-size: 28px; font-weight: 800; color: var(--ink); line-height: 1.2; }
.trust-item .num em { font-style: normal; color: var(--accent); }
.trust-item .label { font-size: 13px; color: var(--text-2); margin-top: 4px; }

/* 页面次级 hero */
.page-hero { padding: 148px 0 72px; border-bottom: 1px solid var(--line); }
.page-hero .h1 { font-size: clamp(34px, 4.6vw, 56px); max-width: 860px; }
.page-hero .lead { margin-top: 18px; }

/* ---------- 问题清单 ---------- */
.problem-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; }
.problem-item { padding: 22px 0; border-bottom: 1px solid var(--line); display: flex; gap: 18px; align-items: baseline; }
.problem-item .no { font-family: var(--font-en); font-size: 13px; font-weight: 700; color: var(--accent); flex-shrink: 0; }
.problem-item p { font-size: 16.5px; font-weight: 500; color: var(--text); }

/* ---------- 三业务（品牌出海板块） ---------- */
.service-trio { display: grid; grid-template-columns: 1fr 1fr 1fr; border: 1px solid var(--line); background: var(--paper-2); }
.trio-item { padding: 34px 28px; border-left: 1px solid var(--line); position: relative; }
.trio-item:first-child { border-left: 0; }
.trio-item .core { position: absolute; top: 16px; right: 16px; font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--accent); border: 1px solid var(--accent); border-radius: 999px; padding: 3px 10px; }
.trio-item .ico { font-family: var(--font-en); font-size: 15px; font-weight: 700; letter-spacing: .18em; color: var(--muted); margin-bottom: 18px; }
.trio-item h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.trio-item p { font-size: 14.5px; color: var(--muted); margin-bottom: 16px; }
.trio-item a { font-size: 14px; font-weight: 600; color: var(--ink); display: inline-flex; align-items: center; gap: 6px; }
.trio-item a .arrow { transition: transform .15s ease; }
.trio-item a:hover .arrow { transform: translateX(4px); }
.trio-item a:hover { color: var(--accent); }
.trio-media { border-radius: 6px; overflow: hidden; margin-bottom: 20px; aspect-ratio: 3 / 2; box-shadow: 0 8px 22px rgba(15,23,42,.08); } /* V2.20.3：图片权重 +7% */
.trio-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- 服务能力行 ---------- */
.service-rows { border-top: 1px solid var(--line); }
.service-row {
  display: grid; grid-template-columns: 96px 1fr 1.2fr auto; gap: 24px; align-items: center;
  padding: 30px 8px; border-bottom: 1px solid var(--line);
  transition: background .15s ease;
}
.service-row:hover { background: rgba(168,93,22,.045); }
.service-row .num { font-family: var(--font-en); font-size: 13px; font-weight: 700; color: var(--accent); }
.service-row h3 { font-size: 18.5px; font-weight: 700; }
.service-row p { font-size: 14.5px; color: var(--muted); }
.service-row .arrow { font-size: 18px; color: var(--muted); transition: color .15s ease, transform .15s ease; }
.service-row:hover .arrow { color: var(--accent); transform: translateX(3px); }

/* ---------- 场景方案 ---------- */
.scene-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
.scene-item { padding: 36px 32px 36px 0; border-bottom: 1px solid var(--line); }
.scene-item:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 40px; }
.scene-item:nth-child(even) { padding-left: 40px; }
.scene-item .num { font-family: var(--font-en); font-size: 13px; font-weight: 700; color: var(--accent); display: block; margin-bottom: 14px; }
.scene-item h3 { font-size: 19px; margin-bottom: 10px; }
.scene-item p { font-size: 14.5px; color: var(--muted); margin-bottom: 6px; }
.scene-item .who { font-size: 13.5px; color: var(--text); font-weight: 600; margin-top: 12px; }

/* ---------- 海外消费者实景（V2.8.3） ---------- */
.consumer-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 52px; }
.consumer-card { margin: 0; border-radius: 12px; overflow: hidden; background: #fff; box-shadow: 0 10px 30px rgba(15,23,42,.10); }
.consumer-card img { display: block; width: 100%; height: 260px; object-fit: cover; }
.consumer-card figcaption { padding: 14px 16px 16px; }
.consumer-card figcaption b { display: block; font-size: 15px; color: var(--ink); margin-bottom: 4px; }
.consumer-card figcaption span { font-size: 13px; color: var(--muted); line-height: 1.6; }
.scene-photo { margin: 56px 0 0; border-radius: 16px; overflow: hidden; position: relative; box-shadow: 0 18px 48px rgba(15,23,42,.14); }
.scene-photo img { display: block; width: 100%; height: 340px; object-fit: cover; }
.scene-photo figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 44px 24px 18px; background: linear-gradient(0deg, rgba(15,23,42,.78), rgba(15,23,42,0)); color: #fff; font-size: 13.5px; line-height: 1.7; }
.scene-photo figcaption b { display: block; font-size: 15px; color: #fff; margin-bottom: 2px; }

/* ---------- 方法论 ---------- */
.method-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(244,241,234,.16); }
.method-step { padding: 36px 28px 36px 0; border-bottom: 1px solid rgba(244,241,234,.16); }
.method-step + .method-step { border-left: 1px solid rgba(244,241,234,.16); padding-left: 28px; }
.method-step .n { font-family: var(--font-en); font-size: 15px; font-weight: 800; color: var(--accent); letter-spacing: .12em; display: block; margin-bottom: 16px; }
.method-step h3 { color: var(--on-dark); font-size: 18px; margin-bottom: 10px; }
.method-step p { font-size: 14px; color: var(--dark-muted); }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
.case-item { border-bottom: 1px solid var(--line); padding: 34px 30px 34px 0; position: relative; }
.case-item:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 36px; }
.case-item:nth-child(even) { padding-left: 36px; }
.case-item .cat { font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--accent); display: block; margin-bottom: 14px; }
.case-item h3 { font-size: 20px; margin-bottom: 8px; }
.case-item .desc { font-size: 14.5px; color: var(--muted); margin-bottom: 18px; }
.case-item .result { font-family: var(--font-en); font-size: 22px; font-weight: 800; color: var(--ink); }
.case-item .result small { font-family: var(--font-zh); font-size: 13px; font-weight: 500; color: var(--muted); }
.case-item.anon::after { content: "客户脱敏"; position: absolute; top: 34px; right: 0; font-size: 11px; letter-spacing: .08em; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }
.case-item:nth-child(odd).anon::after { right: 36px; }

.stats-band { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(244,241,234,.16); }

/* ---------- 资质能力徽章 ---------- */
.trust-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.trust-chips span {
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  border: 1px solid rgba(244,241,234,.18); border-radius: 999px;
  padding: 9px 18px; color: var(--on-dark); background: rgba(255,255,255,.05);
}
@media (max-width: 640px) {
  .trust-chips span { font-size: 12px; padding: 8px 14px; }
}
.stat { padding: 36px 24px 0 0; }
.stat + .stat { border-left: 1px solid rgba(244,241,234,.16); padding-left: 32px; }
.stat .num { font-family: var(--font-en); font-size: 34px; font-weight: 800; color: var(--on-dark); }
.stat .num em { font-style: normal; color: var(--accent); }
.stat .label { font-size: 13.5px; color: var(--dark-muted); margin-top: 6px; }

/* ---------- 为什么选我们 ---------- */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
.why-item {
  position: relative; padding: 30px 0; border-bottom: 1px solid var(--line);
  transition: background .3s ease, box-shadow .3s ease, transform .3s ease, z-index .3s ease;
}
.why-item:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 40px; }
.why-item:nth-child(even) { padding-left: 40px; }
.why-item h3 {
  font-size: 17.5px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px;
  transition: color .25s ease, transform .25s ease;
}
.why-item h3 .dot {
  width: 7px; height: 7px; background: var(--accent); border-radius: 50%; flex-shrink: 0;
  transition: transform .25s ease, box-shadow .25s ease;
}
.why-item p { font-size: 14.5px; color: var(--muted); transition: color .25s ease; }
.why-item:hover { background: #fff; box-shadow: 0 14px 34px rgba(15,23,42,.10); transform: translateY(-3px); z-index: 1; }
.why-item:hover h3 { color: var(--accent); transform: translateX(4px); }
.why-item:hover h3 .dot { transform: scale(1.4); box-shadow: 0 0 0 4px rgba(168,93,22,.18); }
.why-item:hover p { color: var(--ink); }

/* ---------- 洞察 ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.post-card { padding: 28px 24px 28px 0; border-bottom: 1px solid var(--line); }
.post-card + .post-card { border-left: 1px solid var(--line); padding-left: 24px; }
.post-card .date { font-family: var(--font-en); font-size: 12.5px; color: var(--amber); font-weight: 600; letter-spacing: .06em; }
.post-card h3 { font-size: 16.5px; font-weight: 700; line-height: 1.5; margin: 10px 0 8px; }
.post-card p { font-size: 14px; color: var(--muted); }
.post-card a:hover h3 { color: var(--accent); }

/* ---------- CTA ---------- */
.cta-band {
  background:
    linear-gradient(90deg, rgba(15,23,42,.94) 0%, rgba(15,23,42,.86) 52%, rgba(15,23,42,.55) 100%),
    url("../img/global/consumer-shopping-couple.webp") 62% 40% / cover no-repeat,
    var(--ink);
  color: var(--on-dark); padding: 88px 0; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; left: -160px; bottom: -200px; width: 480px; height: 480px; background: radial-gradient(circle, rgba(168,93,22,.14) 0%, rgba(168,93,22,0) 66%); pointer-events: none; }
.cta-band .container { position: relative; z-index: 1; }
.cta-band .h2 { color: var(--on-dark); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: var(--dark-muted); padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 48px; }
.footer-brand img { width: 158px; height: auto; object-fit: contain; display: block; margin-bottom: 20px; }
.footer-brand p { font-size: 13.5px; line-height: 1.9; max-width: 320px; color: rgba(244,241,234,.82); }
.footer-col h4 { color: var(--on-dark); font-size: 14px; font-weight: 700; letter-spacing: .1em; margin-bottom: 18px; }
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col a:hover { color: var(--accent); }
.footer-contact li { display: flex; gap: 8px; align-items: baseline; }
.footer-contact .k { color: var(--dark-muted); flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(244,241,234,.14); padding-top: 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--dark-muted); }
.footer-disclaimer { flex-basis: 100%; opacity: .85; margin-top: 4px; }
.footer-tm { flex-basis: 100%; opacity: .72; font-size: 12px; margin-top: 2px; }
.footer-icp { flex-basis: 100%; text-align: center; margin-top: 12px; }
.footer-icp a { color: rgba(244, 241, 234, .78); text-decoration: none; border-bottom: 1px solid rgba(244, 241, 234, .3); transition: color .2s ease, border-color .2s ease; }
.footer-icp a:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- 表单 ---------- */
.form-wrap { background: var(--paper-2); border: 1px solid var(--line); padding: 44px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; }
.form-item { display: flex; flex-direction: column; gap: 8px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 13.5px; font-weight: 600; color: var(--text); }
.form-item label .req { color: var(--accent); }
.form-item input, .form-item select, .form-item textarea {
  border: 1px solid var(--line); background: #fff; padding: 13px 14px; border-radius: var(--radius);
  color: var(--text); transition: border-color .15s ease; width: 100%;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus { outline: none; border-color: var(--ink); }
.form-item textarea { min-height: 120px; resize: vertical; }
.form-hint { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.form-submit { margin-top: 28px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-success { display: none; margin-top: 16px; padding: 14px 18px; background: rgba(168,93,22,.08); border: 1px solid rgba(168,93,22,.4); color: var(--text); font-size: 14px; border-radius: var(--radius); }
.form-success.show { display: block; }

/* ---------- 联系信息卡 ---------- */
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
.contact-card { padding: 30px 0; border-bottom: 1px solid var(--line); }
.contact-card:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 36px; }
.contact-card:nth-child(even) { padding-left: 36px; }
.contact-card .k { font-size: 12.5px; font-weight: 700; letter-spacing: .12em; color: var(--accent); display: block; margin-bottom: 10px; }
.contact-card .v { font-size: 17px; font-weight: 600; color: var(--ink); }
.contact-card .v small { display: block; font-size: 13px; font-weight: 400; color: var(--muted); margin-top: 4px; }

/* ---------- 关于页 ---------- */
.timeline { border-left: 1px solid var(--line); margin-left: 6px; padding-left: 36px; }
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item::before { content: ""; position: absolute; left: -42.5px; top: 6px; width: 11px; height: 11px; border-radius: 50%; background: var(--paper); border: 2px solid var(--accent); }
.tl-item .year { font-family: var(--font-en); font-size: 14px; font-weight: 800; color: var(--accent); letter-spacing: .1em; }
.tl-item h3 { font-size: 18px; margin: 6px 0 6px; }
.tl-item p { font-size: 14.5px; color: var(--muted); max-width: 640px; }

.about-figure img { width: 100%; height: 420px; object-fit: cover; }
.figure-cap { font-size: 12.5px; color: var(--muted); margin-top: 10px; letter-spacing: .06em; }


/* ============================================================
   V2.2 自有品牌 — 3 卡网格
   ============================================================ */
.own-brand-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.ob-card { background: var(--paper-2); padding: 22px 22px 26px; display: flex; flex-direction: column; }
.ob-cover { border-radius: 4px; overflow: hidden; margin-bottom: 18px; }
.ob-cover img { width: 100%; height: 200px; object-fit: cover; display: block; }
.ob-card h3 { font-size: 17px; color: var(--ink); margin-bottom: 8px; }
.ob-en { font-family: var(--font-en); font-size: 11px; font-weight: 800; letter-spacing: .16em; color: var(--accent); display: block; margin-bottom: 8px; }
.ob-card p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.ob-stat { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 18px; }
.ob-stat .num { font-family: var(--font-en); font-weight: 800; font-size: 17px; color: var(--ink); }
.ob-stat small { display: block; font-family: var(--font-zh); font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ============================================================
   V2.8.4 色彩 + 悬停动态（标题/三引擎/问题列表/痛点卡/场景/方法论）
   ============================================================ */

/* 板块标题：渐变下划线 + 关键词高亮 */
.section-head { position: relative; }
.section-head h2::after {
  content: ""; display: block; width: 40px; height: 3px; border-radius: 999px; margin-top: 16px;
  background: var(--accent);
}
.section-head.center h2::after { margin-left: auto; margin-right: auto; }
.section-dark .section-head h2::after { background: var(--accent); opacity: .9; }
.hl { color: var(--brand); }

/* 品牌出海三引擎 */
/* V2.9：取消彩虹业务卡，统一白底 + 品牌蓝 + 细灰线；品牌橙仅用于小标签/悬停 */
.trio-item { transition: background .3s ease, box-shadow .3s ease, transform .3s ease; }
.trio-item::before {
  content: ""; position: absolute; top: 0; left: 26px; right: 26px; height: 3px; border-radius: 0 0 4px 4px;
  background: var(--accent); opacity: 0; transition: opacity .3s ease;
}
.trio-item .ico {
  display: inline-block; padding: 6px 13px; border-radius: 999px; font-size: 12.5px; letter-spacing: .14em;
  color: var(--brand); background: var(--paper-2); border: 1px solid var(--line);
  transition: color .25s ease, border-color .25s ease, transform .25s ease;
}
.trio-item:hover { background: #fff; box-shadow: 0 14px 34px rgba(15,23,42,.10); transform: translateY(-4px); }
.trio-item:hover::before { opacity: 1; }
.trio-item:hover .ico { color: var(--accent); border-color: var(--amber-line); transform: translateY(-1px); }
.trio-item h3 { transition: color .25s ease; }
.trio-item:hover h3 { color: var(--accent); }

/* 问题列表 01-06（V2.9：去色块，仅保留琥珀数字与轻悬停） */
.problem-item { border-radius: 6px; transition: background .25s ease; }
.problem-item:hover { background: var(--warm-1); }
.problem-item:hover p { color: var(--brand); }

/* 场景方案 4 项 */
.scene-item { transition: background .28s ease, box-shadow .28s ease; }
.scene-item .num {
  display: inline-flex; align-items: center; justify-content: center; min-width: 34px; height: 34px; padding: 0 11px;
  border-radius: 999px; background: var(--warm-2); border: 1px solid var(--amber-line); color: var(--amber);
  transition: background .28s ease, color .28s ease, transform .28s ease;
}
.scene-item:hover { background: #fff; box-shadow: 0 10px 26px rgba(15,23,42,.08); }
.scene-item:hover .num { background: var(--amber); color: #fff; transform: translateY(-2px); }
.scene-item h3 { transition: color .25s ease; }
.scene-item:hover h3 { color: var(--accent); }

/* 方法论（深色区）微悬停 */
.method-step { transition: background .25s ease; }
.method-step:hover { background: rgba(255,255,255,.035); }

@media (max-width: 960px) { .own-brand-grid { grid-template-columns: 1fr; } }
/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .main-nav.open {
    display: block; position: fixed; inset: 68px 0 0 0; background: var(--paper);
    padding: 24px; border-top: 1px solid var(--line); overflow-y: auto;
  }
  .main-nav.open ul { flex-direction: column; gap: 4px; }
  .main-nav.open a { display: block; padding: 14px 4px; font-size: 17px; border-bottom: 1px solid var(--line); }
  .main-nav.open a::after { display: none; }
  .hero { padding: 140px 0 72px; }
  .hero-trust { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .service-trio { grid-template-columns: 1fr; }
  .trio-item { border-left: 0; border-bottom: 1px solid var(--line); }
  .trio-item:last-child { border-bottom: 0; }
  .service-row { grid-template-columns: 56px 1fr auto; }
  .service-row p { grid-column: 2 / 4; }
  .method-steps { grid-template-columns: 1fr 1fr; }
  .method-step + .method-step { border-left: 0; border-top: 1px solid rgba(244,241,234,.16); padding-left: 0; }
  .method-step:nth-child(even) { border-left: 1px solid rgba(244,241,234,.16); padding-left: 24px; }
  .stats-band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stat:nth-child(even) { border-left: 1px solid rgba(244,241,234,.16); }
  .post-grid { grid-template-columns: 1fr; }
  .post-card + .post-card { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .consumer-strip { grid-template-columns: 1fr; }
  .consumer-card img { height: 240px; }
  .scene-photo img { height: 240px; }
  .problem-list, .scene-grid, .case-grid, .why-grid, .contact-cards { grid-template-columns: 1fr; }
  .scene-item:nth-child(odd), .scene-item:nth-child(even) { border-right: 0; padding-right: 0; padding-left: 0; }
  .case-item:nth-child(odd), .case-item:nth-child(even) { border-right: 0; padding-right: 0; padding-left: 0; }
  .case-item.anon::after { right: 0; top: 10px; }
  .why-item:nth-child(odd), .why-item:nth-child(even) { border-right: 0; padding-right: 0; padding-left: 0; }
  .contact-card:nth-child(odd), .contact-card:nth-child(even) { border-right: 0; padding-right: 0; padding-left: 0; }
  .method-steps { grid-template-columns: 1fr; }
  .method-step + .method-step { border-left: 0; padding-left: 0; }
  .stats-band { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 0; }
  .form-grid { grid-template-columns: 1fr; }
  .form-wrap { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-figure img { height: 260px; }
}
/* ---------- 案例销售证据版式（V1.1 商业化收口） ---------- */
.case-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.case-block { background: var(--paper-2); padding: 34px 32px; display: flex; flex-direction: column; }
.case-block .cb-cat { font-size: 12px; letter-spacing: .12em; color: var(--accent); font-weight: 700; margin-bottom: 10px; }
.case-block h3 { font-size: 19px; margin-bottom: 6px; }
.case-block .cb-sub { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.case-block dl { display: grid; gap: 10px; margin-bottom: 22px; }
.case-block .cb-row { display: grid; grid-template-columns: 56px 1fr; gap: 14px; font-size: 14px; line-height: 1.6; }
.case-block .cb-row dt { color: var(--muted); font-weight: 700; flex-shrink: 0; }
.case-block .cb-row dd { color: var(--text); }
.case-block .cb-result { margin-top: auto; border-top: 1px solid var(--line); padding-top: 16px; }
.case-block .cb-result .num { font-family: var(--font-en); font-weight: 800; font-size: 22px; color: var(--ink); }
.case-block .cb-result .num em { font-style: normal; color: var(--accent); }
.case-block .cb-result small { display: block; font-family: var(--font-zh); font-size: 12.5px; color: var(--muted); font-weight: 500; margin-top: 4px; }
.case-block.anon { position: relative; }
.case-block.anon::after { content: "客户脱敏"; position: absolute; top: 14px; right: 14px; font-size: 11px; letter-spacing: .08em; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; background: var(--paper-2); }
@media (max-width: 640px) {
  .case-grid2 { grid-template-columns: 1fr; }
}

.form-error { display: none; margin-top: 16px; padding: 14px 18px; background: rgba(216,64,44,.06); border: 1px solid rgba(216,64,44,.4); color: var(--text); font-size: 14px; border-radius: var(--radius); }
.form-error.show { display: block; }

/* ============================================================
   案例体系 V2.0 — 可点击案例卡片 + 全屏详情弹层
   延续：深海蓝 / 暖白 / 琥珀橙 / 细线 / 大留白 / 国际商务感
   ============================================================ */

/* ---------- 卡片 ---------- */
.case-grid3 { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.case-card {
  background: var(--paper-2); padding: 30px 32px 26px; position: relative;
  display: flex; flex-direction: column; cursor: pointer;
  transition: background .18s ease;
}
.case-card:hover { background: var(--surface); }
.case-card:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; z-index: 1; }
.cc-tag {
  align-self: flex-start; font-size: 11px; font-weight: 700; letter-spacing: .1em;
  color: var(--accent-hover); border: 1px solid var(--amber-line); border-radius: 999px;
  background: var(--warm-2); padding: 4px 11px; margin-bottom: 16px; white-space: normal; line-height: 1.45;
}
.case-card.example .cc-tag { color: var(--muted); border-color: var(--line); }
.case-card h3 { font-size: 19px; margin-bottom: 8px; color: var(--ink); }
.case-card .cc-sub { font-size: 14px; color: var(--muted); line-height: 1.65; margin-bottom: 20px; }
.cc-result { margin-top: auto; border-top: 1px solid var(--line); padding-top: 14px; }
.cc-result .num { font-family: var(--font-en); font-weight: 800; font-size: 21px; color: var(--ink); }
.cc-result small { display: block; font-family: var(--font-zh); font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.cc-more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
  font-size: 13.5px; font-weight: 600; color: var(--ink);
  transition: color .18s ease;
}
.cc-more:hover { color: var(--accent); }
.cc-more .arrow { color: var(--accent); transition: transform .18s ease; }
.case-card:hover .cc-more .arrow { transform: translateX(4px); }
.case-card.example .cc-more { color: var(--muted); }

/* ---------- 弹层骨架 ---------- */
.case-modal { position: fixed; inset: 0; z-index: 1000; }
.case-modal[hidden] { display: none; }
.case-modal-backdrop { position: absolute; inset: 0; background: rgba(10,18,32,.72); backdrop-filter: blur(3px); }
.case-modal-panel {
  position: relative; z-index: 1; margin: 0 auto;
  width: min(880px, 100%); height: 100%;
  background: var(--ink); color: var(--on-dark);
  overflow-y: auto; overscroll-behavior: contain;
  box-shadow: 0 24px 80px rgba(0,0,0,.45);
}
.cm-close-wrap { position: sticky; top: 0; z-index: 5; display: flex; justify-content: flex-end; padding: 18px 18px 0 0; height: 0; overflow: visible; }
.case-modal-close {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid rgba(244,241,234,.24); background: rgba(15,27,45,.86); color: var(--on-dark);
  font-size: 22px; line-height: 1; display: flex; align-items: center; justify-content: center;
  transition: border-color .18s ease, color .18s ease;
}
.case-modal-close:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 弹层内容 ---------- */
.case-modal-body { padding: 0 56px 64px; }
.cm-top { padding: 88px 0 40px; border-bottom: 1px solid rgba(244,241,234,.14); }
.cm-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.cm-tag {
  font-size: 11.5px; font-weight: 700; letter-spacing: .1em;
  border: 1px solid rgba(244,241,234,.22); border-radius: 999px;
  padding: 4px 12px; color: var(--dark-muted);
}
.cm-tag-real { color: var(--accent); border-color: rgba(168,93,22,.55); }
.cm-tag-example { color: var(--dark-muted); }
.cm-top h2 { font-family: var(--font-en); font-size: clamp(30px, 4.5vw, 46px); font-weight: 800; letter-spacing: .01em; line-height: 1.12; margin-bottom: 12px; }
.cm-top .cm-sub { font-size: 15.5px; color: var(--dark-muted); max-width: 640px; margin-bottom: 28px; }
.cm-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid rgba(244,241,234,.14); }
.cm-meta-row { display: grid; grid-template-columns: 108px 1fr; gap: 16px; padding: 12px 18px; font-size: 13.5px; border-bottom: 1px solid rgba(244,241,234,.14); }
.cm-meta-row:nth-last-child(-n+2) { border-bottom: 0; }
.cm-meta-row:nth-child(odd) { border-right: 1px solid rgba(244,241,234,.14); }
.cm-meta-row dt { color: var(--dark-muted); font-weight: 600; }
.cm-meta-row dd { color: var(--on-dark); }

.cm-section { padding: 34px 0; border-bottom: 1px solid rgba(244,241,234,.14); }
.cm-section h3 {
  font-size: 13px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 18px;
  display: flex; align-items: center; gap: 14px;
}
.cm-section h3::before { content: ""; width: 26px; height: 1px; background: var(--accent); flex-shrink: 0; }
.cm-body { font-size: 15.5px; line-height: 1.85; color: var(--on-dark); max-width: 680px; }
.cm-list { list-style: none; counter-reset: cm; display: grid; gap: 12px; max-width: 680px; }
.cm-list li { position: relative; padding-left: 34px; font-size: 15px; line-height: 1.7; color: var(--on-dark); }
.cm-list-num li::before {
  counter-increment: cm; content: "0" counter(cm);
  position: absolute; left: 0; top: 1px;
  font-family: var(--font-en); font-size: 12.5px; font-weight: 800; color: var(--accent);
}
.cm-list-method li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); position: absolute; left: 8px; top: 10px; }

.cm-solutions { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(244,241,234,.14); border: 1px solid rgba(244,241,234,.14); }
.cm-sol { background: var(--ink); padding: 22px 24px; }
.cm-sol h4 { font-size: 14px; font-weight: 700; color: var(--accent); margin-bottom: 8px; letter-spacing: .02em; }
.cm-sol p { font-size: 14px; line-height: 1.7; color: var(--on-dark); }

.cm-results { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(244,241,234,.14); border: 1px solid rgba(244,241,234,.14); }
.cm-result { background: var(--ink); padding: 30px 26px; }
.cm-result .num { display: block; font-family: var(--font-en); font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; color: var(--accent); line-height: 1.1; margin-bottom: 8px; }
.cm-result small { font-size: 13.5px; color: var(--dark-muted); }

.cm-chart { width: 100%; height: auto; display: block; margin-top: 18px; }
.cm-chart-grid { stroke: rgba(244,241,234,.12); stroke-width: 1; }
.cm-chart-area { fill: url(#cmArea); }
.cm-chart-line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.cm-chart-dot { fill: var(--accent); stroke: #F4F1EA; stroke-width: 1.5; }
.cm-chart-label { font-family: var(--font-zh); font-size: 11px; fill: #A9B4C2; }
.cm-chart-note { margin-top: 14px; font-size: 11.5px; line-height: 1.6; color: #A9B4C2; }

.cm-caps { display: flex; flex-wrap: wrap; gap: 8px; }
.cm-caps span {
  font-size: 12.5px; font-weight: 600; letter-spacing: .06em;
  border: 1px solid rgba(244,241,234,.22); border-radius: 999px; padding: 5px 14px; color: var(--on-dark);
}
.cm-target { color: var(--dark-muted); font-size: 14.5px; }

.cm-cta { padding: 40px 0 0; text-align: left; }
.cm-cta p { font-size: 17px; font-weight: 600; color: var(--on-dark); margin-bottom: 18px; max-width: 520px; line-height: 1.6; }

body.modal-open { overflow: hidden; }

@media (max-width: 640px) {
  .case-grid3 { grid-template-columns: 1fr; }
  .case-card { padding: 24px 22px 22px; }
  .case-modal-panel { width: 100%; height: 100dvh; }
  .case-modal-body { padding: 0 22px 48px; }
  .cm-top { padding: 64px 0 30px; }
  .cm-meta { grid-template-columns: 1fr; }
  .cm-meta-row { border-right: 0 !important; border-bottom: 1px solid rgba(244,241,234,.14); }
  .cm-meta-row:last-child { border-bottom: 0; }
  .cm-solutions, .cm-results { grid-template-columns: 1fr; }
}

/* ============================================================
   V2.1 真实企业资产注入 + 视觉资产增强
   新增：Hero 主视觉 / 客户问题场景 / 服务视觉卡 / 案例封面 /
        合作品牌墙 / 真实团队 / CTA 名片卡 / 洞察封面
   ============================================================ */

/* ---------- 客户问题场景 ---------- */
.problem-split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
/* V2.9：实景照片 + 极细标签；4 项交付结果改为扁平结果条，取消彩色卡片 */
.problem-visual { border-radius: 6px; overflow: hidden; box-shadow: 0 24px 60px rgba(15,27,45,.18); }
.pv-photo { position: relative; }
.pv-photo img { display: block; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.pv-tag {
  position: absolute; left: 16px; bottom: 16px; z-index: 2;
  font-family: var(--font-en); font-size: 11px; font-weight: 700; letter-spacing: .16em; color: #fff;
  border-left: 2px solid var(--accent); padding: 6px 13px; background: rgba(15,23,42,.55); border-radius: 4px;
}
.pv-outcomes {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  margin-top: 40px; background: var(--paper-2); border: 1px solid var(--line);
}
.pv-outcomes > div { padding: 22px 24px; border-left: 1px solid var(--line); transition: background .25s ease; }
.pv-outcomes > div:first-child { border-left: 0; }
.pv-outcomes b { display: block; font-size: 15.5px; font-weight: 700; color: var(--brand); transition: color .25s ease; }
.pv-outcomes small { display: block; margin-top: 6px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.pv-outcomes > div:hover { background: var(--warm-1); }
.pv-outcomes > div:hover b { color: var(--accent); }
@media (max-width: 960px) {
  .pv-outcomes { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .pv-outcomes { grid-template-columns: 1fr; }
  .pv-outcomes > div { border-left: 0; border-top: 1px solid var(--line); }
  .pv-outcomes > div:first-child { border-top: 0; }
}

/* ---------- 服务能力（V2.9：左图 + 行式服务列表，取消彩虹卡） ---------- */
.svc-split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 56px; align-items: stretch; }
.svc-media { position: relative; border-radius: 6px; overflow: hidden; min-height: 440px; }
.svc-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.svc-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,23,42,0) 55%, rgba(15,23,42,.55) 100%); pointer-events: none; }
.svc-media-tag {
  position: absolute; left: 18px; bottom: 16px; z-index: 2;
  font-family: var(--font-en); font-size: 11px; font-weight: 700; letter-spacing: .16em; color: #fff;
  border-left: 2px solid var(--accent); padding: 5px 12px; background: rgba(15,23,42,.5); border-radius: 4px;
}
.svc-list { display: flex; flex-direction: column; }
.svc-row {
  display: flex; align-items: center; gap: 22px; padding: 19px 6px;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease, padding .2s ease;
}
.svc-row:first-child { border-top: 1px solid var(--line); }
.svc-no { font-family: var(--font-en); font-size: 12.5px; font-weight: 800; letter-spacing: .08em; color: var(--accent); flex-shrink: 0; width: 36px; }
.svc-row .svc-body { flex: 1; min-width: 0; }
.svc-row .svc-body b { display: block; font-family: var(--font-en); font-size: 16px; font-weight: 700; color: var(--brand); letter-spacing: .02em; transition: color .2s ease; }
.svc-row .svc-body small { display: block; margin-top: 4px; font-size: 13.5px; color: var(--muted); line-height: 1.55; }
.svc-arrow { font-size: 18px; color: var(--line); flex-shrink: 0; transition: transform .2s ease, color .2s ease; }
.svc-row:hover { background: var(--warm-1); padding-left: 12px; }
.svc-row:hover .svc-body b { color: var(--accent); }
.svc-row:hover .svc-arrow { transform: translateX(5px); color: var(--accent); }
@media (max-width: 960px) {
  .svc-split { grid-template-columns: 1fr; gap: 36px; }
  .svc-media { min-height: 320px; }
}

/* ---------- 案例封面 ---------- */
.case-card .cc-cover { margin: -30px -32px 20px; position: relative; }
.case-card .cc-cover img { width: 100%; height: 150px; object-fit: cover; display: block; }
.case-card .cc-cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,27,45,.05) 40%, rgba(15,27,45,.4) 100%);
}
@media (max-width: 640px) {
  .case-card .cc-cover { margin: -24px -22px 18px; }
  .case-card .cc-cover img { height: 130px; }
}
/* modal 顶部封面 */
.cm-cover { margin: 0 -56px 36px; height: 300px; overflow: hidden; position: relative; }
.cm-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cm-cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,27,45,.15) 30%, rgba(15,27,45,.9) 100%);
}
@media (max-width: 640px) {
  .cm-cover { margin: 0 -22px 28px; height: 220px; }
}

/* ---------- 合作品牌墙 ---------- */
.brands-split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: center; }
.brands-visual { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.brands-visual img { width: 100%; height: auto; display: block; }
.brands-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.brands-tags span {
  font-family: var(--font-en); font-size: 12px; font-weight: 700; letter-spacing: .08em;
  border: 1px solid var(--amber-line); border-radius: 999px; padding: 6px 14px; color: var(--accent); background: var(--warm-2);
}
.brands-note { font-size: 13px; color: var(--muted); margin-top: 18px; max-width: 420px; line-height: 1.7; }
@media (max-width: 960px) {
  .brands-split { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- 真实团队 ---------- */
.team-split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.team-visual { border-radius: 8px; overflow: hidden; box-shadow: 0 30px 70px rgba(15,27,45,.22); }
.team-visual img { width: 100%; height: 480px; object-fit: cover; object-position: center 38%; display: block; }
.team-meta { display: flex; gap: 44px; margin-top: 30px; }
.team-meta .num { font-family: var(--font-en); font-size: 30px; font-weight: 800; color: var(--ink); line-height: 1.1; }
.team-meta .num em { font-style: normal; color: var(--accent); }
.team-meta .label { font-size: 13px; color: var(--muted); margin-top: 4px; }
.team-roles { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.team-roles span {
  font-size: 12.5px; font-weight: 600; letter-spacing: .06em;
  border: 1px solid var(--amber-line); border-radius: 999px; padding: 6px 14px; color: var(--accent); background: var(--warm-2);
}
@media (max-width: 960px) {
  .team-split { grid-template-columns: 1fr; gap: 32px; }
  .team-visual img { height: 360px; }
}

/* ---------- CTA 名片卡 ---------- */
.cta-split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.contact-person-card {
  border: 1px solid rgba(244,241,234,.16); border-radius: 10px;
  background: rgba(244,241,234,.04); padding: 28px;
  display: flex; gap: 24px; align-items: center;
}
.contact-person-card .qr { flex-shrink: 0; width: 150px; height: 150px; border-radius: 6px; overflow: hidden; background: #fff; padding: 8px; }
.contact-person-card .qr img { width: 100%; height: 100%; object-fit: contain; display: block; cursor: zoom-in; }
.contact-person-card .person { min-width: 0; }
.contact-person-card .person .role { font-family: var(--font-en); font-size: 11px; letter-spacing: .14em; color: var(--accent); font-weight: 700; display: block; margin-bottom: 6px; }
.contact-person-card .person h3 { font-size: 19px; color: var(--on-dark); margin-bottom: 10px; }
.contact-person-card .person .tel { font-family: var(--font-en); font-size: 18px; font-weight: 800; color: var(--on-dark); letter-spacing: .02em; }
.contact-person-card .person .hint { font-size: 12.5px; color: var(--dark-muted); margin-top: 6px; }
@media (max-width: 960px) {
  .cta-split { grid-template-columns: 1fr; gap: 36px; }
  .contact-person-card { max-width: 420px; }
}
@media (max-width: 640px) {
  .contact-person-card .qr { width: 132px; height: 132px; }
}

/* ---------- 洞察封面 ---------- */
.post-card .post-cover { margin: 0 0 16px; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); }
.post-card .post-cover img { width: 100%; height: 150px; object-fit: cover; display: block; transition: transform .3s ease; }
.post-card:hover .post-cover img { transform: scale(1.02); }
.post-card .date { margin-top: 2px; }
@media (max-width: 960px) {
  .post-card .post-cover img { height: 170px; }
}

/* ---------- 通用响应式（Hero / 问题 / CTA） ---------- */
@media (max-width: 960px) {
  .hero-split { grid-template-columns: 1fr; gap: 40px; }
  .problem-split { grid-template-columns: 1fr; gap: 36px; }
}

/* Insights 封面行 */
.post-row { display: grid; grid-template-columns: 220px 1fr auto; gap: 24px; align-items: start; }
.ins-cover { margin: 0; }
.ins-cover img { height: 130px; object-fit: cover; width: 100%; }
@media (max-width: 640px) {
  .post-row { grid-template-columns: 1fr; }
  .ins-cover img { height: 170px; }
}

/* 二维码点击放大 */
.qr-zoom-overlay { position: fixed; inset: 0; z-index: 2000; background: rgba(10,18,32,.78); display: none; align-items: center; justify-content: center; padding: 32px; }
.qr-zoom-overlay.open { display: flex; }
.qr-zoom-box { position: relative; background: #fff; border-radius: 10px; padding: 18px; max-width: 420px; width: 100%; }
.qr-zoom-box img { width: 100%; height: auto; display: block; border-radius: 4px; }
.qr-zoom-close { position: absolute; top: -14px; right: -14px; width: 38px; height: 38px; border-radius: 50%; border: 0; background: var(--accent); color: #fff; font-size: 20px; line-height: 1; }

/* ============================================================
   V2.2 Insights 独立文章页
   ============================================================ */
.post-row .read-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 13.5px; font-weight: 600; color: var(--ink); }
.post-row:hover .read-more { color: var(--accent); }
.article-breadcrumb { display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--muted); margin-bottom: 20px; flex-wrap: wrap; }
.article-breadcrumb a:hover { color: var(--accent); }
.article-breadcrumb .sep { color: var(--line); }
.article-meta { font-family: var(--font-en); font-size: 13px; color: var(--muted); margin-top: 16px; letter-spacing: .04em; }
.article-cover { margin-top: 38px; }
.article-cover img { width: 100%; max-height: 460px; object-fit: cover; border-radius: var(--radius); }
.article-body { max-width: 780px; }
.article-tldr { background: var(--paper-2); border: 1px solid var(--line); border-left: 3px solid var(--accent); padding: 22px 26px; margin-bottom: 8px; }
.article-tldr ul { margin-top: 10px; }
.article-tldr li { font-size: 14.5px; color: var(--text); padding: 4px 0 4px 20px; position: relative; }
.article-tldr li::before { content: ""; position: absolute; left: 2px; top: 15px; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.article-body h2 { font-size: 21px; color: var(--ink); margin: 38px 0 14px; }
.article-body p { font-size: 15.5px; color: var(--text); margin-bottom: 14px; line-height: 1.9; }
.article-body ul { margin: 0 0 14px; }
.article-body li { font-size: 15px; color: var(--text); padding: 3px 0 3px 22px; position: relative; line-height: 1.8; }
.article-body li::before { content: ""; position: absolute; left: 4px; top: 13px; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.article-related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.related-card { background: var(--paper-2); padding: 26px 24px; display: flex; flex-direction: column; transition: background .15s ease; }
.related-card:hover { background: rgba(168,93,22,.045); }
.related-card .num { font-family: var(--font-en); font-size: 12px; font-weight: 700; color: var(--accent); margin-bottom: 12px; }
.related-card h3 { font-size: 16.5px; color: var(--ink); margin-bottom: 8px; line-height: 1.5; }
.related-card p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
@media (max-width: 960px) {
  .article-related { grid-template-columns: 1fr; }
  .article-cover img { max-height: 280px; }
  .article-body h2 { font-size: 19px; }
}



/* ---------- V2.2 Solutions 渠道配图 ---------- */
.channel-media { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.channel-media img { width: 100%; height: 140px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); }
.channel-media .tall { grid-row: span 2; height: 290px; object-position: top; }
@media (max-width: 640px) { .channel-media { grid-template-columns: 1fr; } .channel-media .tall { grid-row: auto; height: 220px; } }


/* ===== V2.10 服务项目 6 宫格 ===== */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 30px 28px 28px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 6px; position: relative; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,.06); border-color: rgba(168,93,22,.38); }
.svc-ico { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; background: var(--surface-2); border-radius: 12px; }
.svc-ico svg { width: 46px; height: 46px; display: block; filter: grayscale(1) opacity(.7); transition: filter .3s ease; }
.service-card:hover .svc-ico svg { filter: none; }
.sc-amazon .svc-ico svg { width: 54px; height: auto; }
.svc-more { position: absolute; top: 24px; right: 26px; font-size: 13px; font-weight: 600; color: var(--muted); transition: color .25s ease; }
.service-card:hover .svc-more { color: var(--accent); }
.service-card h3 { font-size: 19px; font-weight: 700; margin: 6px 0 0; }
.service-card p { font-size: 14px; color: var(--muted); line-height: 1.75; margin: 0; }
.svc-extra { display: flex; align-items: center; gap: 8px 16px; flex-wrap: wrap; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 13.5px; color: var(--muted); }
.svc-extra a { color: var(--muted); transition: color .2s ease; }
.svc-extra a:hover { color: var(--accent); }
@media (max-width: 960px) { .service-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .service-grid { grid-template-columns: 1fr; } .svc-ico { width: 48px; height: 48px; } .svc-ico svg { width: 38px; height: 38px; } }
@media (max-width: 640px) { .sc-amazon .svc-ico svg { width: 44px; height: auto; } }

/* ===== V2.11 右侧悬浮获客导航（FAB）+ 移动端底部拨号条 ===== */
.ultron-fab { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 1200; display: flex; flex-direction: column; gap: 10px; }
.fab-item { position: relative; }
.fab-btn { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; background: var(--paper-2); color: var(--brand); border: 1px solid var(--line); border-radius: 10px 0 0 10px; box-shadow: 0 6px 18px rgba(15,23,42,.08); cursor: pointer; transition: background .25s ease, color .25s ease, border-color .25s ease; }
.fab-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.fab-btn svg { width: 22px; height: 22px; display: block; }
.fab-panel { position: absolute; right: 60px; top: 50%; transform: translateY(-50%) translateX(8px); min-width: 172px; max-width: 224px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 14px 32px rgba(15,23,42,.16); padding: 14px 16px; text-align: center; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .25s ease, transform .25s ease, visibility .25s; }
.fab-item:hover .fab-panel,
.fab-item:focus-within .fab-panel { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); pointer-events: auto; }
.fab-panel-title { font-size: 13px; font-weight: 700; color: var(--ink); }
.fab-panel-main { margin-top: 5px; }
.fab-panel-main a { font-family: var(--font-en); font-size: 16px; font-weight: 700; color: var(--accent); letter-spacing: .02em; }
.fab-panel-qr { min-width: 168px; }
.fab-panel-qr img { width: 128px; height: auto; display: block; margin: 0 auto 10px; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 5px; cursor: zoom-in; }
.fab-panel-sub { font-size: 12px; color: var(--muted); line-height: 1.55; margin-top: 3px; }
.fab-top { opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s; }
.fab-top.show { opacity: 1; visibility: visible; }
/* ===== V2.20.3 官网 FAB 视觉：电话蓝 / 微信绿 / WhatsApp 绿 / 定制橙 / 返回藏蓝 ===== */
.fab-call .fab-btn { background: linear-gradient(135deg, #2B7FFF 0%, #00C6FF 100%); color: #fff; border: 0; animation: fabPulseBlue 2.6s ease-in-out infinite; }
.fab-wechat .fab-btn { background: linear-gradient(135deg, #2AE0C8 0%, #07C160 100%); color: #fff; border: 0; animation: fabFloat 3.4s ease-in-out infinite, fabPulseGreen 3.4s ease-in-out infinite; }
.fab-wa .fab-btn { background: linear-gradient(135deg, #3FDF8F 0%, #25D366 45%, #128C7E 100%); color: #fff; border: 0; animation: fabFloat 3.8s ease-in-out infinite, fabPulseWa 3.8s ease-in-out infinite; }
.fab-form .fab-btn { background: linear-gradient(135deg, #FF9A3D 0%, #E86F1E 100%); color: #fff; border: 0; }
.fab-top .fab-btn { background: linear-gradient(135deg, #2E4A7A 0%, #16304F 100%); color: #fff; border: 0; }
.fab-btn { position: relative; overflow: hidden; transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease; }
.fab-btn::before { content: ""; position: absolute; top: 0; left: -80%; width: 55%; height: 100%; background: linear-gradient(115deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.55) 50%, rgba(255,255,255,0) 100%); transform: skewX(-20deg); transition: left .6s ease; }
.fab-item:hover .fab-btn { animation: none; transform: translateX(-4px); box-shadow: 0 10px 24px rgba(15,23,42,.22); }
.fab-item:hover .fab-btn::before { left: 130%; }
.fab-call .fab-btn:hover { background: linear-gradient(135deg, #1B6AFF 0%, #00B4EC 100%); }
.fab-wechat .fab-btn:hover { background: linear-gradient(135deg, #16C79A 0%, #06AD56 100%); }
.fab-wa .fab-btn:hover { background: linear-gradient(135deg, #1EBE70 0%, #0E8A6A 100%); }
@keyframes fabPulseBlue { 0%, 100% { box-shadow: 0 6px 18px rgba(15,23,42,.14), 0 0 0 0 rgba(0,198,255,.6); } 50% { box-shadow: 0 6px 18px rgba(15,23,42,.14), 0 0 0 11px rgba(0,198,255,0); } }
@keyframes fabPulseGreen { 0%, 100% { box-shadow: 0 6px 18px rgba(15,23,42,.14), 0 0 0 0 rgba(7,193,96,.6); } 50% { box-shadow: 0 6px 18px rgba(15,23,42,.14), 0 0 0 11px rgba(7,193,96,0); } }
@keyframes fabPulseWa { 0%, 100% { box-shadow: 0 6px 18px rgba(15,23,42,.14), 0 0 0 0 rgba(37,211,102,.65); } 50% { box-shadow: 0 6px 18px rgba(15,23,42,.14), 0 0 0 11px rgba(37,211,102,0); } }
@keyframes fabFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
.mbar-btn .fab-call-icon { color: #2B7FFF; }
.mbar-btn .fab-wx-icon { color: #07C160; }
.mbar-btn .fab-wa-icon { color: #25D366; }
/* ===== V2.13 出海 FAQ（GEO 常见问题模块） ===== */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; background: #fff; margin-bottom: 12px; overflow: hidden; transition: box-shadow .25s ease, border-color .25s ease; }
.faq-item[open] { border-color: var(--accent-line); box-shadow: 0 10px 26px rgba(15,23,42,.07); }
.faq-item summary { list-style: none; cursor: pointer; padding: 16px 20px; font-size: 15.5px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; margin-left: auto; font-size: 20px; font-weight: 600; color: var(--accent); transition: transform .25s ease; flex: none; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 20px 16px 20px; color: var(--muted); font-size: 14.5px; line-height: 1.8; }
.faq-item .faq-body p { margin: 0; }
.qa-banner { display: flex; align-items: center; justify-content: space-between; gap: 24px; background: linear-gradient(135deg, rgba(11,34,66,.05) 0%, rgba(168,93,22,.08) 100%); border: 1px solid var(--line); border-radius: 14px; padding: 26px 30px; }
.qa-banner h3 { font-size: 19px; font-weight: 800; color: var(--ink); margin-bottom: 6px; }
.qa-banner .lead { margin: 0; }
@media (max-width: 640px) { .qa-banner { flex-direction: column; align-items: flex-start; padding: 20px 22px; } }
/* 移动端底部拨号条 */
.ultron-fab-mbar { display: none; }
@media (max-width: 768px) {
  .ultron-fab { display: none; }
  .ultron-fab-mbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 1200; display: flex; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -8px 24px rgba(15,23,42,.08); }
  .mbar-btn { flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px; height: 56px; border: 0; background: none; font-size: 13.5px; font-weight: 600; color: var(--brand); cursor: pointer; }
  .mbar-btn + .mbar-btn { border-left: 1px solid var(--line); }
  .mbar-btn svg { width: 18px; height: 18px; }
  .mbar-btn:active { background: rgba(30,58,95,.07); }
  body.ultron-fab-on { padding-bottom: 56px; }
}

/* ---------- 404 页（Release 1.0：品牌视觉一致） ---------- */
.page-404 { background: var(--ink); color: var(--on-dark); }
.e404-main { padding: 120px 0 140px; }
.e404-box { max-width: 640px; margin: 0 auto; text-align: center; }
.e404-code { font-family: var(--font-en); font-size: 96px; font-weight: 800; line-height: 1; color: var(--accent); letter-spacing: .02em; }
.e404-box h1 { color: var(--on-dark); margin: 18px 0 12px; font-size: 34px; }
.e404-text { color: var(--dark-muted); margin-bottom: 32px; line-height: 1.8; }
.e404-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.e404-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; max-width: 520px; margin: 0 auto; padding-top: 28px; border-top: 1px solid rgba(244,241,234,.16); text-align: left; font-size: 14px; color: var(--dark-muted); }
.e404-contact .k { display: block; color: var(--on-dark); font-weight: 600; margin-bottom: 2px; }
@media (max-width: 640px) {
  .e404-main { padding: 80px 0 100px; }
  .e404-code { font-size: 72px; }
  .e404-contact { grid-template-columns: 1fr; }
}

/* ===== 文本品牌（导航/页脚） ===== */
.brand-text { display: flex; flex-direction: column; line-height: 1.12; }
.brand-text b { font-size: 21px; font-weight: 800; letter-spacing: .02em; color: var(--ink); font-family: var(--font-display, inherit); }
.brand-text i { font-style: normal; font-size: 11px; font-weight: 600; letter-spacing: .08em; color: var(--muted, #66645F); margin-top: 3px; white-space: nowrap; }
.footer-brand-text { display: flex; flex-direction: column; margin-bottom: 20px; }
.footer-brand-text b { font-size: 26px; font-weight: 800; letter-spacing: .02em; color: #ffffff; font-family: var(--font-display, inherit); }
.footer-brand-text i { font-style: normal; font-size: 13px; font-weight: 600; letter-spacing: .1em; color: rgba(244,241,234,.58); margin-top: 4px; }

/* ===== 结构化文章（GEO）：结论先行 + 表格） ===== */
.article-body .answer-first { background: var(--paper-2); border: 1px solid var(--line); border-left: 3px solid var(--accent); padding: 20px 24px; margin-bottom: 8px; }
.article-body .answer-first p { margin: 0; font-size: 16px; color: var(--ink); }
.article-body table { width: 100%; border-collapse: collapse; margin: 8px 0 18px; font-size: 14px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 11px 13px; text-align: left; vertical-align: top; line-height: 1.6; }
.article-body th { background: rgba(11,34,66,.045); color: var(--ink); font-weight: 700; white-space: nowrap; }
.article-body td { color: var(--text); }
.article-body .avoid-list { background: rgba(168,93,22,.045); border: 1px solid var(--line); padding: 18px 22px 18px 24px; margin: 6px 0 18px; }
.article-body .avoid-list li { padding-left: 20px; }
/* ============================================================
   V2.0 全站重构 · 新首页 / 新页面组件（James 个人 IP 平台）
   ============================================================ */

/* ---------- 关注 4 卡（focus-grid） ---------- */
.focus-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.focus-card { background: var(--surface); padding: 30px 26px 26px; display: flex; flex-direction: column; gap: 12px; position: relative; transition: background .3s ease, box-shadow .3s ease, transform .3s ease; }
.focus-card::before { content: ""; position: absolute; top: 0; left: 24px; right: 24px; height: 2px; background: var(--accent); opacity: 0; transition: opacity .3s ease; }
.focus-card:hover { background: #fff; box-shadow: 0 14px 34px rgba(23,23,23,.08); transform: translateY(-3px); z-index: 1; }
.focus-card:hover::before { opacity: 1; }
.focus-ico { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 8px; background: var(--accent-soft); color: var(--accent); }
.focus-ico svg { width: 22px; height: 22px; }
.focus-card h3 { font-size: 18px; font-weight: 700; color: var(--ink); }
.focus-card p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.focus-card .focus-more { margin-top: auto; padding-top: 10px; font-size: 13.5px; font-weight: 600; color: var(--ink); display: inline-flex; align-items: center; gap: 6px; }
.focus-card .focus-more .arrow { transition: transform .18s ease; color: var(--accent); }
.focus-card:hover .focus-more { color: var(--accent); }
.focus-card:hover .focus-more .arrow { transform: translateX(4px); }

/* ---------- 文章卡（article-card） ---------- */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.article-card:hover { transform: translateY(-4px); border-color: var(--accent-line); box-shadow: 0 14px 34px rgba(23,23,23,.08); }
.article-card .ac-cover { aspect-ratio: 4 / 3; overflow: hidden; background: var(--surface-2); }
.article-card .ac-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease-out; }
.article-card:hover .ac-cover img { transform: scale(1.03); }
.article-card .ac-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.ac-cat { font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--accent-hover); }
.article-card h3 { font-size: 18px; line-height: 1.5; font-weight: 700; color: var(--ink); }
.article-card h3 a:hover { color: var(--accent); }
.article-card .ac-excerpt { font-size: 14px; color: #58554E; line-height: 1.7; }
.article-card .ac-meta { margin-top: auto; padding-top: 10px; font-size: 13px; color: #6E6A62; display: flex; gap: 14px; }
.article-card .ac-meta b { font-weight: 600; color: #5C5950; }

/* ---------- 专题卡（panel-grid） ---------- */
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.panel-card { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--surface); display: flex; flex-direction: column; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.panel-card:hover { transform: translateY(-3px); border-color: var(--accent-line); box-shadow: 0 14px 34px rgba(23,23,23,.08); }
.panel-media { aspect-ratio: 16 / 9; overflow: hidden; }
.panel-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease-out; }
.panel-card:hover .panel-media img { transform: scale(1.02); }
.panel-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.panel-body h3 { font-size: 19px; color: var(--ink); }
.panel-body p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.panel-more { margin-top: auto; padding-top: 12px; font-size: 13.5px; font-weight: 600; color: var(--ink); display: inline-flex; align-items: center; gap: 6px; }
.panel-more .arrow { transition: transform .18s ease; color: var(--accent); }
.panel-card:hover .panel-more { color: var(--accent); }
.panel-card:hover .panel-more .arrow { transform: translateX(4px); }

/* ---------- 资源卡（resource-card） ---------- */
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.resource-card { background: var(--surface); padding: 28px 26px; display: flex; flex-direction: column; gap: 10px; position: relative; transition: background .3s ease, box-shadow .3s ease, transform .3s ease; }
.resource-card:hover { background: #fff; box-shadow: 0 12px 30px rgba(23,23,23,.07); transform: translateY(-2px); }
.rc-ico { width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; border-radius: 8px; background: var(--accent-soft); color: var(--accent); }
.rc-ico svg { width: 21px; height: 21px; }
.resource-card h3 { font-size: 17px; color: var(--ink); }
.resource-card p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.resource-card .rc-status { margin-top: auto; padding-top: 8px; font-size: 12px; font-weight: 600; color: var(--text-3); display: inline-flex; align-items: center; gap: 7px; }
.resource-card .rc-status.soon::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); flex: none; }
.resource-card .rc-status.ready { color: var(--accent); }
.resource-card .rc-status.ready::before { content: "→"; font-weight: 700; }
.resource-card a:hover h3 { color: var(--accent); }

/* ---------- James Labs（labs-card） ---------- */
.labs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.labs-card { background: var(--surface); padding: 28px 26px; display: flex; flex-direction: column; gap: 10px; position: relative; }
.lc-state { position: absolute; top: 20px; right: 20px; font-size: 11.5px; font-weight: 600; color: var(--text-3); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; background: var(--surface); }
.lc-state.exp { color: var(--ok); border-color: rgba(62,107,79,.35); }
.labs-card .rc-ico { background: var(--surface-2); color: var(--text-2); }
.labs-card h3 { font-size: 17px; color: var(--ink); }
.labs-card p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.labs-card .lc-note { margin-top: auto; padding-top: 8px; font-size: 12px; color: var(--text-3); }

/* ---------- 其他平台（platform-link） ---------- */
.platform-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.platform-link { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 26px 18px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.platform-link:hover { transform: translateY(-3px); border-color: var(--accent-line); box-shadow: 0 12px 28px rgba(23,23,23,.08); }
.pl-ico { width: 46px; height: 46px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--surface-2); color: var(--text-2); }
.pl-ico svg { width: 22px; height: 22px; }
.platform-link b { font-size: 14.5px; color: var(--ink); }
.platform-link span { font-size: 12px; color: var(--text-3); }
.platform-link:hover b { color: var(--accent); }

/* ---------- 商务合作（biz-cta） ---------- */
.biz-cta { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); padding: 52px 56px; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.biz-cta h2 { font-size: clamp(24px, 3vw, 34px); color: var(--ink); margin-bottom: 12px; }
.biz-cta p { color: var(--muted); max-width: 540px; }

/* ---------- 深色区 hover 细线（step-card / dark-list） ---------- */
.step-card { position: relative; }
.step-card::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 48px; background: var(--accent); opacity: 0; transition: opacity .3s ease; }
.step-card:hover::after { opacity: 1; }

/* ---------- 文章中心分类列表（/articles） ---------- */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.cat-tab { font-size: 13px; font-weight: 600; color: var(--text-2); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; background: var(--surface); transition: border-color .2s ease, color .2s ease, background .2s ease; }
.cat-tab:hover, .cat-tab.active { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.qa-entry { border-top: 1px solid var(--line); padding: 26px 0; display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; }
.qa-entry h3 { font-size: 17.5px; color: var(--ink); margin-bottom: 6px; }
.qa-entry p { font-size: 14px; color: var(--muted); max-width: 680px; }
.qa-entry a { font-size: 13.5px; font-weight: 600; color: var(--accent); white-space: nowrap; }
@media (max-width: 640px) { .qa-entry { grid-template-columns: 1fr; gap: 10px; } }

/* ---------- 新版响应式 ---------- */
@media (max-width: 1024px) {
  .focus-grid { grid-template-columns: 1fr 1fr; }
  .article-grid { grid-template-columns: 1fr 1fr; }
  .panel-grid { grid-template-columns: 1fr; }
  .resource-grid, .labs-grid { grid-template-columns: 1fr 1fr; }
  .platform-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .focus-grid, .article-grid, .resource-grid, .labs-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr 1fr; }
  .biz-cta { padding: 34px 24px; }
  .hero-split { grid-template-columns: 1fr; gap: 32px; }
  .hero-portrait img { aspect-ratio: 4 / 5; }
}
/* ---------- 专题入口列表（topic-grid / topic-item） ---------- */
.topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.topic-item { background: var(--surface); padding: 22px 26px; display: flex; align-items: baseline; gap: 18px; transition: background .3s ease; }
.topic-item:hover { background: #fff; }
.topic-item .no { font-family: var(--font-en); font-size: 13px; font-weight: 700; color: var(--accent); flex: none; }
.topic-item b { font-size: 16px; color: var(--ink); font-weight: 700; transition: color .2s ease; }
.topic-item small { display: block; font-size: 13px; color: var(--muted); margin-top: 3px; }
.topic-item:hover b { color: var(--accent); }

/* ---------- 首页关于预览（about-preview） ---------- */
.about-preview { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.about-points { list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 28px; }
.about-points li { font-size: 14.5px; color: var(--text-2); display: flex; align-items: center; gap: 10px; }
.about-points li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }
.about-photo { border-radius: 10px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 18px 44px rgba(23,23,23,.08); }
.about-photo img { width: 100%; height: 100%; object-fit: cover; display: block; aspect-ratio: 3 / 2; }
@media (max-width: 1024px) { .about-preview { grid-template-columns: 1fr; gap: 36px; } }
@media (max-width: 640px) {
  .topic-grid { grid-template-columns: 1fr; }
  .about-points { grid-template-columns: 1fr; }
}

/* ---------- 内页文章/专题通用 ---------- */
.page-section-head { max-width: 760px; margin-bottom: 48px; }
.page-section-head .eyebrow { margin-bottom: 14px; }

/* ============================================================
   Hero V2.1 hero-scene · 码头大图版首屏（James 个人站）
   删除右侧人像卡后：全幅背景图 + 深色渐变遮罩 + 文字前置
   ============================================================ */
.hero.hero-scene {
  background: #101418;
  color: var(--on-dark);
  padding: 200px 0 96px;
  border-bottom: 1px solid rgba(244,241,234,.18);
}
.hero.hero-scene::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    linear-gradient(100deg, rgba(10,14,18,.82) 0%, rgba(10,14,18,.55) 46%, rgba(10,14,18,.28) 78%, rgba(10,14,18,.42) 100%),
    linear-gradient(0deg, rgba(10,14,18,.70) 0%, rgba(10,14,18,.06) 45%, rgba(10,14,18,.10) 70%, rgba(10,14,18,.78) 100%);
  pointer-events: none;
}
.hero.hero-scene::after { display: none; }
.hero.hero-scene .container { position: relative; z-index: 1; }
.hero.hero-scene .hero-split { grid-template-columns: 1fr; gap: 0; }
.hero.hero-scene .hero-tag {
  background: rgba(244,241,234,.10);
  border-color: rgba(244,241,234,.30);
  color: var(--on-dark);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.hero.hero-scene .hero-tag b,
.hero.hero-scene .hero-chips span b,
.hero.hero-scene .trust-item .num em { color: #E2BE8D; }
.hero.hero-scene h1 { color: #FFFFFF; max-width: 860px; }
.hero.hero-scene h1 .accent { color: #E2BE8D; }
.hero.hero-scene .lead { color: rgba(244,241,234,.92); }
.hero.hero-scene .btn-outline {
  border-color: rgba(244,241,234,.62);
  color: var(--on-dark);
  background: transparent;
}
.hero.hero-scene .btn-outline:hover {
  background: var(--on-dark);
  border-color: var(--on-dark);
  color: var(--ink);
}
.hero.hero-scene .hero-chips span {
  background: rgba(244,241,234,.14);
  border-color: rgba(244,241,234,.34);
  color: var(--on-dark);
  text-shadow: 0 1px 2px rgba(8,11,15,.4);
}
.hero.hero-scene .hero-trust { border-top-color: rgba(244,241,234,.24); }
.hero.hero-scene .trust-item .num { color: #FFFFFF; }
.hero.hero-scene .trust-item .label { color: rgba(244,241,234,.76); }

@media (max-width: 960px) {
  .hero.hero-scene { padding: 150px 0 72px; }
}
@media (max-width: 640px) {
  .hero.hero-scene { padding: 118px 0 58px; }
  .hero.hero-scene .hero-tag { font-size: 12px; }
  .hero.hero-scene .lead { max-width: 100%; }
}

/* ============================================================
   V2.22 Hero 全宽背景重排（真铺满、无右侧黑块、标题收敛）
   + FAB 收敛为单一「联系 James」展开菜单（Design System 统一）
   ============================================================ */

/* ---------- Hero：元素级背景图 cover 铺满 + 轻渐变 ---------- */
.hero.hero-scene {
  background: #101418 url("../img/hero/hero-global.jpg") center center / cover no-repeat;
  padding: 148px 0 76px;
}
.hero.hero-scene::before {
  background:
    linear-gradient(100deg, rgba(8,11,15,.82) 0%, rgba(8,11,15,.58) 46%, rgba(8,11,15,.30) 78%, rgba(8,11,15,.55) 100%),
    linear-gradient(to bottom, rgba(0,0,0,.42) 0%, rgba(0,0,0,.30) 40%, rgba(0,0,0,.60) 78%, rgba(0,0,0,.75) 100%);
}
.hero.hero-scene h1 { font-size: clamp(46px, 4.6vw, 66px); line-height: 1.18; letter-spacing: .01em; max-width: 980px; }
.hero.hero-scene h1,
.hero.hero-scene h1 .accent { text-shadow: 0 2px 10px rgba(0,0,0,.5); }
@media (min-width: 1081px) {
  .hero.hero-scene h1 { white-space: nowrap; }
}
.hero.hero-scene .lead { font-size: 18px; max-width: 640px; text-shadow: 0 1px 2px rgba(8,11,15,.45); }
.hero.hero-scene .hero-chips { margin-top: 24px; }
.hero.hero-scene .hero-trust { margin-top: 44px; padding-top: 22px; }
.hero.hero-scene .trust-item .label { color: rgba(255,255,255,.94); font-size: 13.5px; font-weight: 500; text-shadow: 0 1px 3px rgba(8,11,15,.65); }
@media (max-width: 960px) {
  .hero.hero-scene { padding: 132px 0 64px; }
  .hero.hero-scene h1 { font-size: clamp(38px, 6vw, 50px); }
  .hero.hero-scene .lead { font-size: 16.5px; }
}
@media (max-width: 640px) {
  .hero.hero-scene { padding: 106px 0 54px; }
  .hero.hero-scene h1 { font-size: 34px; line-height: 1.3; }
  .hero.hero-scene .lead { font-size: 15.5px; }
}

/* ============================================================
   Icon Boost V2.3 · 图标质感升级
   1) 业务/工具图标容器：暖色渐变底 + 主色描边 + 立体悬停
   2) 社交平台：官方 Logo + 默认中性色 + 悬停官方品牌色
   ============================================================ */
.focus-ico,
.rc-ico,
.labs-card .rc-ico {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid rgba(168, 93, 22, .16);
  background: linear-gradient(135deg, #FFFDF8 0%, #F5E6D3 100%);
  color: #8F4D12;
  box-shadow: 0 2px 6px rgba(168, 93, 22, .07);
  transition: transform .3s cubic-bezier(.4, 0, .2, 1), background .3s ease,
    color .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.focus-ico svg,
.rc-ico svg {
  width: 24px;
  height: 24px;
  transition: transform .3s ease;
}
.labs-card { transition: background .3s ease, box-shadow .3s ease, transform .3s ease; }
.labs-card:hover {
  background: #fff;
  box-shadow: 0 12px 30px rgba(23, 23, 23, .07);
  transform: translateY(-2px);
}
.focus-card:hover .focus-ico,
.resource-card:hover .rc-ico,
.labs-card:hover .rc-ico {
  background: linear-gradient(135deg, #C27A31 0%, #8F4D12 100%);
  border-color: #8F4D12;
  color: #FFFFFF;
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 8px 18px rgba(168, 93, 22, .28);
}
.focus-card:hover .focus-ico svg,
.resource-card:hover .rc-ico svg,
.labs-card:hover .rc-ico svg { transform: scale(1.04); }

/* 社交平台：默认中性深灰，悬停激活官方品牌色 */
.pl-ico {
  border: 1px solid rgba(23, 23, 23, .08);
  background: #F2F0E9;
  color: #6E6A61;
  transition: transform .3s cubic-bezier(.4, 0, .2, 1), background .3s ease,
    color .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.pl-ico svg { transition: transform .3s ease; }
.platform-link[data-brand="zhihu"] .pl-ico { --pc: #0066FF; }
.platform-link[data-brand="douyin"] .pl-ico { --pc: #FF0050; }
.platform-link[data-brand="xiaohongshu"] .pl-ico { --pc: #FF2442; }
.platform-link[data-brand="bilibili"] .pl-ico { --pc: #00A1D6; }
.platform-link[data-brand="wechat"] .pl-ico { --pc: #07C160; }
.platform-link:hover .pl-ico {
  color: var(--pc, var(--accent));
  background: color-mix(in srgb, var(--pc, var(--accent)) 12%, #FFFFFF);
  border-color: color-mix(in srgb, var(--pc, var(--accent)) 45%, #FFFFFF);
  transform: translateY(-2px) scale(1.07);
  box-shadow: 0 8px 18px color-mix(in srgb, var(--pc, var(--accent)) 22%, rgba(23, 23, 23, .10));
}
.platform-link:hover b { color: var(--pc, var(--accent)); }

/* ---------- FAB：单一「联系 James」 ---------- */
.ultron-fab.contact-fab { right: 18px; top: auto; bottom: 22px; transform: none; gap: 12px; align-items: flex-end; }
.cf-main { position: relative; }
.cf-toggle {
  display: inline-flex; align-items: center; gap: 9px;
  height: 52px; padding: 0 20px; border: 0; border-radius: 999px;
  background: var(--ink); color: var(--paper);
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  box-shadow: 0 10px 26px rgba(23,23,23,.18);
  transition: background .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.cf-toggle svg { width: 20px; height: 20px; flex: none; }
.cf-toggle:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(23,23,23,.22); }
.ultron-fab.contact-fab.open .cf-toggle { background: var(--accent); color: #fff; }
.cf-menu {
  position: absolute; right: 0; bottom: 62px; width: 262px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 18px 44px rgba(23,23,23,.16); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  pointer-events: none;
}
.ultron-fab.contact-fab.open .cf-menu { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.cf-item {
  display: flex; align-items: center; gap: 12px; width: 100%;
  border: 0; background: none; text-align: left; padding: 10px 12px; border-radius: 10px;
  color: var(--ink); cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.cf-item + .cf-item { margin-top: 2px; }
.cf-item > svg { width: 20px; height: 20px; flex: none; color: var(--accent); transition: color .2s ease; }
.cf-body { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.cf-label { font-size: 14.5px; font-weight: 700; line-height: 1.3; }
.cf-sub { font-size: 12px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cf-arr { margin-left: auto; font-style: normal; font-size: 13px; color: var(--text-3); transition: transform .2s ease, color .2s ease; }
.cf-item:hover { background: var(--accent-soft); color: var(--accent); }
.cf-item:hover .cf-sub { color: var(--accent); }
.cf-item:hover .cf-arr { transform: translateX(3px); color: var(--accent); }
.cf-top {
  width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%;
  background: var(--surface); color: var(--ink); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(23,23,23,.12); cursor: pointer;
  opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s, background .25s ease, color .25s ease;
}
.cf-top svg { width: 18px; height: 18px; }
.cf-top.show { opacity: 1; visibility: visible; }
.cf-top:hover { background: var(--ink); color: var(--paper); }
.cf-toggle:focus-visible, .cf-item:focus-visible, .cf-top:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 768px) {
  .ultron-fab.contact-fab { display: none; }
}
/* 移动端底部条：图标统一为设计系统色，去除蓝绿橙多色 */
.ultron-fab-mbar .mbar-btn { color: var(--ink); }
.ultron-fab-mbar .mbar-btn .fab-call-icon,
.ultron-fab-mbar .mbar-btn .fab-wx-icon,
.ultron-fab-mbar .mbar-btn .fab-wa-icon { color: currentColor; }
.ultron-fab-mbar .mbar-btn:active { background: var(--accent-soft); }

/* ============================================================
   Fix V2.4 · 首屏遮罩定位修正 + 图标彩色化（按审核意见）
   1) hero 遮罩改为纵向渐变，消除左侧大片黑色色块
   2) 业务/工具图标按语义分色（Amazon 橙、出海蓝、AI 紫等）
   3) 社交平台默认即官方品牌色，抖音为黑+青+红多色叠加
   ============================================================ */
.hero.hero-scene { position: relative; overflow: hidden; isolation: isolate; }
.hero.hero-scene::before {
  inset: 0;
  width: auto;
  height: auto;
  background:
    linear-gradient(180deg, rgba(6,9,13,.46) 0%, rgba(6,9,13,.14) 34%,
    rgba(6,9,13,.26) 66%, rgba(6,9,13,.58) 88%, rgba(6,9,13,.76) 100%);
}
.hero.hero-scene .container { position: relative; z-index: 2; }
.hero.hero-scene .hero-trust { position: relative; z-index: 2; }

/* ---- 业务/工具图标：语义分色 ---- */
.t-amazon   { --t1: #FF9900; --t2: #232F3E; }
.t-shopify  { --t1: #7AB55E; --t2: #3F6212; }
.t-ocean    { --t1: #1E6FD9; --t2: #0B3D91; }
.t-sky      { --t1: #0EA5E9; --t2: #075985; }
.t-ai       { --t1: #7C3AED; --t2: #4C1D95; }
.t-indigo   { --t1: #6366F1; --t2: #3730A3; }
.t-violet   { --t1: #8B5CF6; --t2: #5B21B6; }
.t-amber    { --t1: #F59E0B; --t2: #92400E; }
.t-gold     { --t1: #D97706; --t2: #78350F; }
.t-blue     { --t1: #2563EB; --t2: #1E3A8A; }
.t-health   { --t1: #16A34A; --t2: #14532D; }
.t-teal     { --t1: #14B8A6; --t2: #115E59; }
.t-magenta  { --t1: #EC4899; --t2: #9D174D; }
.t-cyan     { --t1: #06B6D4; --t2: #155E75; }
.t-crimson  { --t1: #DC2626; --t2: #7F1D1D; }
.t-emerald  { --t1: #10B981; --t2: #065F46; }

.focus-ico,
.rc-ico,
.labs-card .rc-ico { color: var(--t1, #8F4D12); }
.focus-card:hover .focus-ico,
.resource-card:hover .rc-ico,
.labs-card:hover .rc-ico {
  background: linear-gradient(135deg, var(--t1, #C27A31) 0%, var(--t2, #8F4D12) 100%);
  border-color: var(--t2, #8F4D12);
  color: #FFFFFF;
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 8px 18px color-mix(in srgb, var(--t1, #C27A31) 30%, rgba(23, 23, 23, .12));
}

/* ---- 社交平台：默认官方品牌色 ---- */
.platform-link .pl-ico {
  color: var(--pc, #6E6A61);
  background: color-mix(in srgb, var(--pc, #6E6A61) 9%, #FFFFFF);
  border-color: color-mix(in srgb, var(--pc, #6E6A61) 26%, #FFFFFF);
}
.platform-link:hover .pl-ico {
  color: var(--pc, var(--accent));
  background: color-mix(in srgb, var(--pc, var(--accent)) 18%, #FFFFFF);
  border-color: color-mix(in srgb, var(--pc, var(--accent)) 55%, #FFFFFF);
  transform: translateY(-2px) scale(1.07);
  box-shadow: 0 8px 18px color-mix(in srgb, var(--pc, var(--accent)) 24%, rgba(23, 23, 23, .10));
}
.platform-link[data-brand="douyin"] .pl-ico { --pc: #FE2C55; }

/* ============================================================
   Fix V2.5 · 首屏文字对比度 + 副标题排版（验收微调）
   1) Hero 遮罩：左上文字区适度加深，保持右/上图景通透
   2) 标题/副标题/信任数据加柔和文字阴影，保证任何背景区域可读
   3) 副标题加重字重、行距与字距，提升首屏信息层级
   ============================================================ */
.hero.hero-scene::before {
  background:
    linear-gradient(100deg, rgba(6,9,13,.55) 0%, rgba(6,9,13,.34) 26%,
      rgba(6,9,13,.16) 55%, rgba(6,9,13,.26) 100%),
    linear-gradient(180deg, rgba(6,9,13,.55) 0%, rgba(6,9,13,.20) 36%,
      rgba(6,9,13,.30) 66%, rgba(6,9,13,.62) 88%, rgba(6,9,13,.78) 100%);
}
.hero.hero-scene h1,
.hero.hero-scene h1 .accent {
  text-shadow: 0 1px 2px rgba(6,9,13,.55), 0 4px 18px rgba(6,9,13,.45);
}
.hero.hero-scene .hero-tag {
  text-shadow: 0 1px 3px rgba(6,9,13,.55);
}
.hero.hero-scene .lead {
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: .02em;
  font-size: 19px;
  text-shadow: 0 1px 2px rgba(6,9,13,.65), 0 3px 12px rgba(6,9,13,.40);
}
.hero.hero-scene .trust-item .num,
.hero.hero-scene .trust-item .label {
  text-shadow: 0 1px 3px rgba(6,9,13,.55);
}
@media (max-width: 960px) {
  .hero.hero-scene .lead { font-size: 17px; }
}
@media (max-width: 640px) {
  .hero.hero-scene .lead { font-size: 16px; line-height: 1.6; }
}


/* ============================================================
   Fix V2.6 · 第二轮像素级验收微调
   1) 首页「四个方向」图标：去掉暖色底块，统一焦糖单色商务质感
   2) FAB「联系 James」默认即主 CTA 焦糖色（与导航/首屏 CTA 一致）
   3) 语言切换高亮当前语言；首屏标题分隔符对称留白；标签/chips 提亮
   ============================================================ */
.lang-switch a { color: var(--text-3); }
.lang-switch a:hover { color: var(--ink); }
.lang-switch a.active { color: var(--accent); font-weight: 700; }

/* 首页四个方向：透明底 + 焦糖单色；hover 反转实底（仅首页 focus-grid） */
.focus-grid .focus-ico {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: var(--accent-hover);
}
.focus-grid .focus-card:hover .focus-ico {
  background: linear-gradient(135deg, #C27A31 0%, var(--accent-hover) 100%);
  border-color: var(--accent-hover);
  color: #FFFFFF;
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 8px 18px rgba(168, 93, 22, .22);
}

/* FAB 悬浮「联系 James」默认焦糖 */
.ultron-fab.contact-fab .cf-toggle {
  background: var(--accent-action);
  color: #FFFFFF;
  box-shadow: 0 10px 26px rgba(168, 93, 22, .30);
}
.ultron-fab.contact-fab .cf-toggle:hover,
.ultron-fab.contact-fab.open .cf-toggle {
  background: var(--accent-action-hover);
  color: #FFFFFF;
}

/* 首屏大标题分隔符对称留白 */
.hero.hero-scene h1 .h-sep { margin: 0 .14em; opacity: .8; }

/* 首屏标签与 chips 提亮（深色船景上更清晰） */
.hero.hero-scene .hero-tag {
  background: rgba(244, 241, 234, .18);
  border-color: rgba(244, 241, 234, .45);
}
.hero.hero-scene .hero-chips span {
  background: rgba(244, 241, 234, .20);
  border-color: rgba(244, 241, 234, .48);
}

/* ============================================================
   Fix V2.7 · 第三轮底部 / 页脚验收微调
   1) FAB：返回顶部统一焦糖主色，与「联系 James」胶囊同系；加大呼吸间距
   2) Footer：电话/邮箱已升级为可点击链接（HTML 同步），默认提亮 + 悬停焦糖
   3) 底部 CTA 卡片微阴影立体感；FAQ 悬停描边与问题文字反馈
   ============================================================ */
.ultron-fab.contact-fab { gap: 14px; }

.ultron-fab.contact-fab .cf-top {
  background: var(--accent-action);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(168, 93, 22, .30);
  transition: opacity .25s ease, visibility .25s, background .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.ultron-fab.contact-fab .cf-top:hover {
  background: var(--accent-action-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(168, 93, 22, .40);
}
.ultron-fab.contact-fab .cf-toggle {
  box-shadow: 0 10px 26px rgba(168, 93, 22, .30);
}

/* Footer 联系链接：可点击、默认提亮、悬停焦糖高亮 */
.footer-contact a.footer-link,
.e404-contact a.footer-link {
  color: rgba(244, 241, 234, .88);
  text-decoration: underline;
  text-decoration-color: rgba(244, 241, 234, .28);
  text-underline-offset: 3px;
  transition: color .2s ease, text-decoration-color .2s ease;
}
.footer-contact a.footer-link:hover,
.e404-contact a.footer-link:hover {
  color: #C26B3E;
  text-decoration-color: #C26B3E;
}

/* 页脚版权 / 免责声明：对比度提亮 */
.site-footer .footer-bottom {
  color: rgba(244, 241, 234, .70);
}
.site-footer .footer-bottom .footer-disclaimer,
.site-footer .footer-bottom .footer-tm {
  opacity: 1;
  color: rgba(244, 241, 234, .60);
}

/* 底部 CTA 卡片：柔和阴影 + 圆角 */
.biz-cta {
  border-color: rgba(23, 23, 23, .05);
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(23, 23, 23, .05);
}

/* FAQ：悬停描边高亮 + 问题文字焦糖反馈 */
.faq-item { border-color: rgba(23, 23, 23, .07); }
.faq-item:hover {
  border-color: var(--accent-line);
  box-shadow: 0 6px 18px rgba(15, 23, 42, .05);
}
.faq-item summary:hover { color: var(--accent); }
.faq-item summary:hover::after { color: var(--accent-action-hover); }

/* ============================================================
   Fix V2.8 · 三色点缀体系 + 微渐变发光（第四轮视觉验收）
   1) 文章分类标签 pill 化：AI=电光蓝 / 增长·案例=翡翠绿 / 干货=焦糖
   2) 首屏信任数据数字 → 翡翠绿增长感
   3) James Labs 模块：eyebrow 与 hover 微光统一 AI 蓝
   4) 主 CTA（实底按钮 / FAB）琥珀→焦糖双色微渐变，悬停提亮
   5) hero 船景与底部 CTA 卡：彩色弥散微光 + 渐变描边
   ============================================================ */

/* ---- 1. 文章分类标签：pill + 三色语义 ---- */
.ac-cat {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 3px 11px;
  border-radius: 999px;
  background: rgba(168, 93, 22, .09);
  border: 1px solid rgba(168, 93, 22, .22);
  color: var(--accent-hover);
  line-height: 1.5;
}
.ac-cat.cat-ai {
  background: rgba(14, 165, 233, .10);
  border-color: rgba(14, 165, 233, .32);
  color: #0369A1;
}
.ac-cat.cat-growth {
  background: rgba(16, 185, 129, .10);
  border-color: rgba(16, 185, 129, .34);
  color: #047857;
}

/* ---- 2. 首屏信任数据：翡翠绿（深色船景上用亮翡翠保可读） ---- */
.hero.hero-scene .trust-item .num,
.hero.hero-scene .trust-item .num em { color: #4ADE80; }

/* ---- 3. James Labs：AI 蓝主题 ---- */
.section-labs .eyebrow { color: #0284C7; }
.section-labs .eyebrow::before {
  background: linear-gradient(90deg, #0EA5E9, #38BDF8);
}
.section-labs .lc-state.exp {
  color: #0284C7;
  border-color: rgba(14, 165, 233, .38);
  background: rgba(14, 165, 233, .06);
}
.section-labs .labs-card:hover {
  box-shadow: 0 14px 30px rgba(2, 132, 199, .12), 0 0 0 1px rgba(14, 165, 233, .25);
}

/* ---- 4. 主 CTA：琥珀→焦糖双色微渐变 + 悬停提亮上浮 ---- */
.btn-solid,
.btn-accent {
  background-color: var(--accent-action);
  background-image: linear-gradient(135deg, #D97706 0%, #C26B3E 100%);
  box-shadow: 0 6px 16px rgba(217, 119, 6, .22);
  transition: background .25s ease, transform .3s ease, box-shadow .25s ease,
    color .2s ease, border-color .2s ease;
}
.btn-solid:hover,
.btn-accent:hover {
  background-image: linear-gradient(135deg, #E58A13 0%, #D97706 100%);
  box-shadow: 0 8px 22px rgba(217, 119, 6, .34);
  transform: translateY(-2px);
}

.ultron-fab.contact-fab .cf-toggle {
  background-color: var(--accent-action);
  background-image: linear-gradient(135deg, #D97706 0%, #A85D16 62%, #8F4D12 100%);
  box-shadow: 0 10px 24px rgba(217, 119, 6, .30);
}
.ultron-fab.contact-fab .cf-toggle:hover,
.ultron-fab.contact-fab.open .cf-toggle {
  background-image: linear-gradient(135deg, #E58A13 0%, #D97706 100%);
}

/* ---- 5. 微光：hero 深景光斑 + 底部 CTA 渐变描边与角光 ---- */
.hero.hero-scene::before {
  background:
    radial-gradient(52% 42% at 88% 12%, rgba(14, 165, 233, .14), transparent 70%),
    radial-gradient(46% 40% at 8% 88%, rgba(217, 119, 6, .13), transparent 72%),
    linear-gradient(100deg, rgba(6, 9, 13, .55) 0%, rgba(6, 9, 13, .34) 26%,
      rgba(6, 9, 13, .16) 55%, rgba(6, 9, 13, .26) 100%),
    linear-gradient(180deg, rgba(6, 9, 13, .55) 0%, rgba(6, 9, 13, .20) 36%,
      rgba(6, 9, 13, .30) 66%, rgba(6, 9, 13, .62) 88%, rgba(6, 9, 13, .78) 100%);
}

.biz-cta {
  position: relative;
  isolation: isolate;
  border: 1px solid transparent;
  background:
    linear-gradient(180deg, #FFFFFF 0%, #FFFDF8 100%) padding-box,
    linear-gradient(135deg, rgba(194, 107, 62, .42) 0%, rgba(255, 255, 255, 0) 38%,
      rgba(14, 165, 233, .30) 100%) border-box;
}
.biz-cta::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -90px;
  left: -70px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 119, 6, .15) 0%, transparent 70%);
  pointer-events: none;
}
.biz-cta::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: -110px;
  right: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, .14) 0%, transparent 70%);
  pointer-events: none;
}

/* ============================================================
   Fix V2.9 · 第五轮冲刺验收
   1) 吸顶导航：近实底 + 毛玻璃 + 细底边，杜绝文字穿透
   2) AI/科技点缀色：Hero AI chip 与「AI × 跨境」方向卡注入电光蓝
   3) 底部咨询大卡：暖色高光渐变 + 柔和品牌阴影
   ============================================================ */

/* ---- 1. 吸顶导航：文字穿透修复 ---- */
.site-header,
.site-header.scrolled {
  background-color: rgba(250, 249, 246, .86);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  backdrop-filter: blur(14px) saturate(1.15);
}
.site-header { border-bottom-color: rgba(23, 23, 23, .06); }
.site-header.scrolled { border-bottom-color: var(--line); }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header,
  .site-header.scrolled { background-color: rgba(250, 249, 246, .995); }
}

/* ---- 2. AI / 科技点缀色（电光蓝） ---- */
.hero.hero-scene .hero-chips span.chip-ai {
  background: rgba(14, 165, 233, .16);
  border-color: rgba(125, 211, 252, .60);
  color: #D6F1FF;
  text-shadow: 0 1px 3px rgba(2, 20, 40, .55);
}

.focus-grid .focus-ai .focus-ico { color: #0369A1; }
.focus-grid .focus-ai::before { background: linear-gradient(90deg, #0EA5E9 0%, #38BDF8 100%); }
.focus-grid .focus-ai:hover {
  box-shadow: 0 14px 34px rgba(2, 132, 199, .13);
}
.focus-grid .focus-ai:hover .focus-ico {
  background: linear-gradient(135deg, #0EA5E9 0%, #0369A1 100%);
  border-color: #0369A1;
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(14, 165, 233, .26);
}
.focus-grid .focus-ai .focus-more .arrow,
.focus-grid .focus-ai:hover .focus-more { color: #0284C7; }

/* ---- 3. 底部 CTA 大卡：暖色高光 ---- */
.biz-cta {
  background:
    linear-gradient(135deg, #FFFFFF 0%, #FFFDF6 55%, #FFF3E6 100%) padding-box,
    linear-gradient(135deg, rgba(194, 107, 62, .42) 0%, rgba(255, 255, 255, 0) 38%,
      rgba(14, 165, 233, .30) 100%) border-box;
  box-shadow: 0 10px 30px rgba(194, 107, 62, .08);
}
/* ============================================================
   Fix V2.10 · 第六轮视觉与 AI 收录冲刺
   1) 首屏信任数据：撤荧光绿 → 暖白大数字 + 焦糖金强调 + 文字阴影
   2) 四方向图标：放弃透明细线，改双色质感图标瓷片（焦糖/翡翠/电光蓝）
   3) 四方向卡 + 资源/实验室卡：淡边框、圆角与点击感
   ============================================================ */

/* ---- 1. 信任数据：暖白 + 焦糖金 + 阴影（撤 V2.8 荧光绿） ---- */
.hero.hero-scene .trust-item .num,
.hero.hero-scene .trust-item .num em {
  color: #FFFFFF;
  text-shadow: 0 2px 10px rgba(6, 10, 16, .45);
}
.hero.hero-scene .trust-item .num em { color: #E2BE8D; }

/* ---- 2. 四方向图标瓷片（双色质感） ---- */
.focus-grid .focus-ico {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, #FFFDF7 0%, #F6E4C8 100%);
  border: 1px solid rgba(168, 93, 22, .22);
  color: #A85D16;
  box-shadow: 0 4px 10px rgba(168, 93, 22, .10), inset 0 1px 0 rgba(255, 255, 255, .85);
}
.focus-grid .focus-ico svg {
  width: 25px;
  height: 25px;
  filter: drop-shadow(0 1px 1px rgba(168, 93, 22, .15));
}
.focus-grid .focus-growth .focus-ico {
  background: linear-gradient(135deg, #F1FCF6 0%, #C6F0DA 100%);
  border-color: rgba(16, 185, 129, .34);
  color: #047857;
  box-shadow: 0 4px 10px rgba(16, 185, 129, .12), inset 0 1px 0 rgba(255, 255, 255, .85);
}
.focus-grid .focus-growth .focus-ico svg {
  filter: drop-shadow(0 1px 1px rgba(4, 120, 87, .18));
}
.focus-grid .focus-ai .focus-ico {
  background: linear-gradient(135deg, #F0F9FF 0%, #C7E7FB 100%);
  border-color: rgba(14, 165, 233, .36);
  color: #0369A1;
  box-shadow: 0 4px 10px rgba(14, 165, 233, .12), inset 0 1px 0 rgba(255, 255, 255, .85);
}
.focus-grid .focus-ai .focus-ico svg {
  filter: drop-shadow(0 1px 1px rgba(2, 105, 161, .18));
}
/* hover：反转实底 + 对应色投影 */
.focus-grid .focus-growth:hover .focus-ico {
  background: linear-gradient(135deg, #10B981 0%, #047857 100%);
  border-color: #047857;
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(16, 185, 129, .26);
}
.focus-grid .focus-ai:hover .focus-ico {
  background: linear-gradient(135deg, #0EA5E9 0%, #0369A1 100%);
  border-color: #0369A1;
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(14, 165, 233, .26);
}

/* ---- 3. 卡片边界与点击感 ---- */
.focus-grid {
  gap: 14px;
  background: transparent;
  border: 0;
}
.focus-card {
  border: 1px solid rgba(23, 23, 23, .06);
  border-radius: 14px;
}
.focus-card:hover {
  border-color: rgba(23, 23, 23, .13);
}
.resource-card,
.labs-card {
  border: 1px solid rgba(23, 23, 23, .06);
  border-radius: 14px;
}
.resource-card:hover,
.labs-card:hover {
  border-color: rgba(23, 23, 23, .13);
}