/* ============================================================
   saio 优化 · 视觉体系 v2
   深墨蓝主视觉 / 电光蓝强调 / 柔金点缀 / 图形化示意 / 柔和层次
   不依赖任何外部图片与字体，纯 CSS + inline SVG
   ============================================================ */
:root {
  --navy: #0e1a2b;
  --navy-2: #16273d;
  --navy-3: #1f3450;
  --blue: #2f6bff;
  --blue-2: #5b8bff;
  --blue-soft: #eaf0ff;
  --teal: #00bfa6;
  --teal-soft: #e2f8f4;
  --gold: #c9a96a;
  --amber: #e8a33d;
  --rose: #e2606b;
  --paper: #ffffff;
  --mist: #f4f6f9;
  --mist-2: #eef2f7;
  --ink: #0e1a2b;
  --ink-2: #42536a;
  --ink-3: #7d8a9c;
  --line: #e2e8f0;
  --line-2: #cfd8e4;
  --on-dark: #f4f7fc;
  --on-dark-2: #aebdd2;
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1200px;
  --shadow-sm: 0 2px 8px rgba(14, 26, 43, .05);
  --shadow: 0 10px 30px rgba(14, 26, 43, .09);
  --shadow-lg: 0 24px 60px rgba(9, 20, 38, .18);
  --font: "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, select { font-family: inherit; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- 通用排版 ---------- */
h1, h2, h3, h4 { font-weight: 750; letter-spacing: -.035em; line-height: 1.18; }
h1 { font-size: clamp(38px, 4.6vw, 58px); font-weight: 800; letter-spacing: -.045em; line-height: 1.12; text-wrap: balance; }
h2 { font-size: clamp(28px, 3.4vw, 42px); }
h3 { font-size: 20px; letter-spacing: -.02em; }
p { color: var(--ink-2); }
.lede { font-size: 18px; line-height: 1.8; color: var(--ink-2); margin-top: 20px; }
.muted { color: var(--ink-3); }
strong { font-weight: 700; color: var(--ink); }
.on-dark h1, .on-dark h2, .on-dark h3, .on-dark strong { color: var(--on-dark); }
.on-dark p, .on-dark .lede { color: var(--on-dark-2); }

section { padding: 92px 0; border-bottom: 1px solid var(--line); }
section.tint { background: var(--mist); }
section.dark {
  background: var(--navy);
  color: var(--on-dark);
  border-bottom: none;
  position: relative;
  overflow: hidden;
}
section.dark::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.075) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
section.dark > .wrap { position: relative; z-index: 1; }
.ring-deco {
  position: absolute; border: 1px solid rgba(255,255,255,.09);
  border-radius: 50%; pointer-events: none;
}
.ring-deco.r1 { width: 620px; height: 620px; right: -220px; top: -260px; }
.ring-deco.r2 { width: 400px; height: 400px; right: -90px; top: -150px; }

.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--blue); }
.on-dark .eyebrow, section.dark .eyebrow { color: var(--blue-2); }
.on-dark .eyebrow::before, section.dark .eyebrow::before { background: var(--blue-2); }
.hl { color: var(--blue); }
/* 标题里的高亮词组整体换行，避免中文被从词中间拆断 */
h1 .hl, h2 .hl { display: inline-block; white-space: nowrap; }
.on-dark .hl, section.dark .hl { color: var(--blue-2); }
.gold { color: var(--gold); }

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  background: var(--blue-soft); color: var(--blue);
}
.badge.ghost { background: rgba(255,255,255,.1); color: var(--on-dark-2); }
.badge.gold { background: rgba(201,169,106,.16); color: var(--gold); }
.badge.teal { background: var(--teal-soft); color: #008d7a; }
.badge.rose { background: #fdecee; color: #b93b47; }
.badge.amber { background: #fdf2e2; color: #a66a14; }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 26px; border-radius: 10px;
  font-size: 15px; font-weight: 650; line-height: 1.2;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-blue { background: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(47,107,255,.22); }
.btn-blue:hover { background: #245ae0; box-shadow: 0 12px 26px rgba(47,107,255,.3); }
.btn-navy { background: var(--ink); color: #fff; }
.btn-navy:hover { background: #000; box-shadow: var(--shadow); }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line-2); }
.btn-outline:hover { border-color: var(--ink); box-shadow: var(--shadow-sm); }
.btn-outline-light { background: transparent; color: var(--on-dark); border-color: rgba(255,255,255,.32); }
.btn-outline-light:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.6); }
.btn-arrow { font-size: 17px; line-height: 1; }
.btn-lg { padding: 17px 32px; font-size: 16px; }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 21px; font-weight: 800; letter-spacing: -.04em; }
.brand small { font-size: 12px; font-weight: 600; color: var(--ink-3); letter-spacing: .08em; margin-left: 2px; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--blue); display: grid; place-items: center;
  box-shadow: 0 4px 12px rgba(47,107,255,.25);
}
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { font-size: 15px; color: var(--ink-2); font-weight: 500; transition: color .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--blue); }
.nav-cta {
  padding: 10px 20px; border-radius: 9px; background: var(--navy); color: #fff !important;
  font-weight: 650 !important; font-size: 14px !important;
}
.nav-cta:hover { background: var(--blue); color: #fff !important; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; }

/* ---------- Hero ---------- */
.hero { padding: 92px 0 84px; }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 64px; align-items: center; }
.hero h1 { max-width: 640px; }
.hero .lede { max-width: 560px; font-size: 18px; }
.hero-note { margin-top: 26px; font-size: 13px; color: var(--on-dark-2); }
.chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 14px; }
.chip {
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  border-radius: 999px; padding: 7px 15px; font-size: 13.5px; font-weight: 500;
  transition: all .16s;
}
.chip:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.chip.dark { background: rgba(255,255,255,.06); color: var(--on-dark-2); border-color: rgba(255,255,255,.16); }
.chip.dark:hover { background: rgba(47,107,255,.18); color: #fff; border-color: var(--blue-2); }

/* AI 回答示意卡 */
.ai-card {
  background: #fff; border-radius: 18px; box-shadow: var(--shadow-lg);
  overflow: hidden; color: var(--ink); transform: rotate(-1deg);
  transition: transform .35s ease;
}
.ai-card:hover { transform: rotate(0deg) translateY(-4px); }
.ai-card-top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--line); background: #fbfcfe;
}
.ai-dots { display: flex; gap: 6px; }
.ai-dots i { width: 9px; height: 9px; border-radius: 50%; background: #dfe5ee; }
.ai-dots i:first-child { background: #f0b4b9; }
.ai-dots i:nth-child(2) { background: #f2d49a; }
.ai-dots i:nth-child(3) { background: #a9ddcd; }
.ai-card-label { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: .06em; }
.ai-body { padding: 22px 22px 20px; }
.ai-q {
  display: inline-block; background: var(--mist-2); color: var(--ink-2);
  padding: 10px 15px; border-radius: 12px 12px 12px 3px;
  font-size: 14px; margin-bottom: 18px;
}
.ai-answer { font-size: 14px; color: var(--ink-2); line-height: 1.7; margin-bottom: 14px; }
.ai-list { display: grid; gap: 8px; }
.ai-item {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 14px; color: var(--ink-2); background: #fff;
}
.ai-item.hit {
  border-color: var(--blue); background: var(--blue-soft); color: var(--ink); font-weight: 650;
  box-shadow: inset 3px 0 0 var(--blue);
}
.ai-rank {
  width: 22px; height: 22px; border-radius: 6px; flex: 0 0 22px;
  display: grid; place-items: center; font-family: var(--mono);
  font-size: 11px; font-weight: 700; background: var(--mist-2); color: var(--ink-3);
}
.ai-item.hit .ai-rank { background: var(--blue); color: #fff; }
.ai-item .ai-src { margin-left: auto; font-size: 11px; color: var(--ink-3); font-weight: 400; }
.ai-foot {
  padding: 13px 18px; border-top: 1px solid var(--line); background: #fbfcfe;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 11px; color: var(--ink-3);
}
.ai-platforms { display: flex; gap: 5px; flex-wrap: wrap; }
.ai-platforms span { background: var(--mist-2); border-radius: 5px; padding: 3px 7px; }

/* 平台条 */
.platform-bar {
  background: var(--navy-2); border-top: 1px solid rgba(255,255,255,.07);
  padding: 20px 0; position: relative; z-index: 2;
}
.platform-bar .wrap { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.platform-bar .pb-label { font-size: 12px; color: var(--on-dark-2); font-weight: 600; white-space: nowrap; }
.platform-bar .pb-list { display: flex; gap: 9px; flex-wrap: wrap; }
.platform-bar .pb-list span {
  font-size: 12.5px; color: #d7e0ee; background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.09); border-radius: 6px; padding: 5px 11px;
}

/* ---------- 对照双栏（搜索时代 / AI 时代） ---------- */
.era-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: stretch; }
.era {
  border-radius: var(--radius); padding: 32px; border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.045);
}
.era.new { background: var(--blue); border-color: var(--blue); box-shadow: 0 18px 40px rgba(47,107,255,.24); }
.era-tag { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark-2); margin-bottom: 8px; }
.era.new .era-tag { color: rgba(255,255,255,.75); }
.era h3 { color: #fff; font-size: 24px; margin-bottom: 22px; }
.era ul { list-style: none; display: grid; gap: 14px; }
.era li { display: flex; gap: 12px; align-items: flex-start; color: #c9d5e6; font-size: 15px; line-height: 1.6; }
.era.new li { color: #fff; }
.era li i {
  flex: 0 0 20px; width: 20px; height: 20px; border-radius: 50%; margin-top: 2px;
  display: grid; place-items: center; font-style: normal; font-size: 11px; font-weight: 700;
  background: rgba(255,255,255,.12); color: #dbe4f2;
}
.era.new li i { background: rgba(255,255,255,.24); color: #fff; }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line-2); }
.card .num {
  font-family: var(--mono); font-size: 12px; font-weight: 700;
  letter-spacing: .1em; color: var(--blue); margin-bottom: 16px;
}
.card h3 { margin-bottom: 10px; }
.card p { font-size: 15px; line-height: 1.75; }
.card .ghost-num {
  position: absolute; right: 18px; top: 6px; font-family: var(--mono);
  font-size: 74px; font-weight: 800; color: #f1f4f9; line-height: 1; pointer-events: none;
  letter-spacing: -.08em;
}
.card .icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--blue-soft);
  color: var(--blue); display: grid; place-items: center; margin-bottom: 20px;
}
.card .icon.teal { background: var(--teal-soft); color: #008d7a; }
.card .icon.gold { background: #faf3e6; color: #a67f36; }
.card .icon.rose { background: #fdecee; color: #c24652; }
.card .icon.amber { background: #fdf2e2; color: #a66a14; }
.card .strip { position: absolute; left: 0; top: 0; width: 100%; height: 3px; background: var(--blue); }
.card .strip.teal { background: var(--teal); }
.card .strip.gold { background: var(--gold); }
.card .strip.rose { background: var(--rose); }
.card .strip.amber { background: var(--amber); }
.card.dark-card { background: var(--navy); border-color: var(--navy); color: var(--on-dark); }
.card.dark-card h3, .card.dark-card strong { color: #fff; }
.card.dark-card p { color: var(--on-dark-2); }
.card.dark-card .num { color: var(--blue-2); }
.card .out {
  display: inline-block; margin-top: 16px; font-size: 12.5px; font-weight: 600;
  color: var(--blue); background: var(--blue-soft); border-radius: 6px; padding: 5px 11px;
}
.card .mini-quote {
  margin-top: 16px; padding: 11px 13px; border-radius: 9px; background: var(--mist);
  border-left: 3px solid var(--line-2); font-size: 13px; color: var(--ink-2); line-height: 1.6;
}
.card .mini-quote.bad { border-left-color: var(--rose); }
.card .mini-quote.warn { border-left-color: var(--amber); }
.card .mini-quote.good { border-left-color: var(--teal); }

/* ---------- 时间轴 / 步骤 ---------- */
.steps { display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 62px 1fr; gap: 22px;
  padding: 24px 0; border-top: 1px solid var(--line); position: relative;
}
.step:first-child { border-top: none; }
.step .idx {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--blue-soft); color: var(--blue);
  display: grid; place-items: center; font-family: var(--mono);
  font-weight: 700; font-size: 15px;
}
.step h3 { margin-bottom: 7px; font-size: 18px; }
.step p { font-size: 15px; line-height: 1.72; }
.step .out {
  display: inline-block; margin-top: 10px; font-size: 12.5px; font-weight: 600;
  color: var(--blue); background: var(--blue-soft); border-radius: 6px; padding: 5px 11px;
}
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 8%; right: 8%; top: 23px; height: 2px;
  background: var(--line-2);
}
.tl-item { text-align: center; padding: 0 16px; position: relative; }
.tl-dot {
  width: 48px; height: 48px; border-radius: 50%; margin: 0 auto 20px;
  background: #fff; border: 2px solid var(--blue); color: var(--blue);
  display: grid; place-items: center; font-family: var(--mono); font-weight: 700;
  position: relative; z-index: 1;
}
.tl-item.done .tl-dot { background: var(--blue); color: #fff; }
.tl-item h3 { font-size: 17px; margin-bottom: 8px; }
.tl-item p { font-size: 14px; }

/* ---------- 数据 / 统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.11);
  border-radius: var(--radius); padding: 26px; position: relative; overflow: hidden;
}
.stat::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%;
  background: var(--blue);
}
.stat:nth-child(2)::after { background: var(--teal); }
.stat:nth-child(3)::after { background: var(--gold); }
.stat:nth-child(4)::after { background: var(--blue-2); }
.stat .big {
  font-size: 44px; font-weight: 800; letter-spacing: -.05em; line-height: 1;
  color: #fff; font-family: var(--mono);
}
.stat .lbl { color: var(--on-dark-2); font-size: 13.5px; margin-top: 10px; }
.stat .bars { display: flex; gap: 3px; align-items: flex-end; height: 22px; margin-top: 14px; }
.stat .bars i { width: 6px; background: rgba(47,107,255,.5); border-radius: 2px 2px 0 0; }
.note-line { font-size: 12.5px; color: var(--on-dark-2); margin-top: 18px; }

/* ---------- 表格 ---------- */
.tablewrap {
  overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); background: #fff;
}
table { width: 100%; border-collapse: collapse; min-width: 660px; }
th, td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14.5px; }
thead th { background: var(--navy); color: #fff; font-weight: 650; font-size: 13.5px; letter-spacing: .02em; white-space: nowrap; }
thead th.hi { background: var(--blue); }
tbody tr:nth-child(even) { background: #fafbfd; }
tbody tr:hover { background: var(--blue-soft); }
tbody tr:last-child td { border-bottom: none; }
td.feat { color: var(--ink-3); font-weight: 600; }
td.hi { background: rgba(47,107,255,.055); font-weight: 600; color: var(--ink); }
td .bar { display: inline-block; height: 6px; border-radius: 3px; background: var(--blue); vertical-align: middle; margin-right: 7px; }
td .pct { font-family: var(--mono); font-size: 13px; }
.table-head-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 16px; }
.table-head-row h3 { font-size: 18px; }

/* ---------- FAQ 折叠 ---------- */
.faq { display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--line); border-radius: 12px; background: #fff;
  overflow: hidden; transition: border-color .18s, box-shadow .18s;
}
.faq-item[open] { border-color: var(--line-2); box-shadow: var(--shadow-sm); }
.faq-q {
  padding: 20px 24px; font-weight: 650; font-size: 16.5px; cursor: pointer;
  list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after {
  content: "+"; flex: 0 0 28px; width: 28px; height: 28px; border-radius: 8px;
  background: var(--blue-soft); color: var(--blue);
  display: grid; place-items: center; font-size: 19px; font-weight: 500;
}
.faq-item[open] .faq-q::after { content: "−"; background: var(--blue); color: #fff; }
.faq-a { padding: 0 24px 22px; font-size: 15px; color: var(--ink-2); line-height: 1.8; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; gap: 20px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 9px; }
.field input, .field select {
  width: 100%; padding: 14px 16px; border: 1px solid var(--line-2);
  border-radius: 10px; font-size: 15px; background: #fff; color: var(--ink);
  transition: border-color .16s, box-shadow .16s;
}
.field input:focus, .field select:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,107,255,.11);
}
.scan-shell {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border: 1px solid var(--line); border-radius: 20px; overflow: hidden;
  box-shadow: var(--shadow); background: #fff;
}
.scan-form { padding: 38px; border-right: 1px solid var(--line); }
.scan-preview { padding: 38px; background: var(--mist); }
.scan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 18px; }
.scan-cell {
  background: #fff; border: 1px solid var(--line); border-radius: 9px;
  padding: 12px 8px; text-align: center; font-size: 12px; color: var(--ink-3);
  transition: all .3s ease;
}
.scan-cell.lit { border-color: var(--blue); background: var(--blue-soft); color: var(--blue); font-weight: 650; }
.scan-cell .sc-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); margin: 0 auto 7px; }
.scan-cell.lit .sc-dot { background: var(--blue); }
.scan-result {
  margin-top: 18px; border-radius: 12px; padding: 16px; background: #fff;
  border: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); line-height: 1.7;
  display: none;
}
.scan-result.show { display: block; animation: fadeUp .4s ease both; }

/* ---------- 后台示意卡 ---------- */
.dash {
  background: #fff; border-radius: 18px; box-shadow: var(--shadow-lg);
  overflow: hidden; display: grid; grid-template-columns: 112px 1fr; min-height: 320px;
}
.dash-side { background: var(--navy-2); padding: 20px 14px; }
.dash-side .dlogo { width: 30px; height: 30px; border-radius: 8px; background: var(--blue); margin-bottom: 24px; }
.dash-side i { display: block; height: 8px; border-radius: 4px; background: rgba(255,255,255,.13); margin-bottom: 14px; }
.dash-side i.on { background: var(--blue); width: 78%; }
.dash-main { padding: 24px; }
.dash-main .dtitle { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.dash-main .dsub { font-size: 11.5px; color: var(--ink-3); margin-bottom: 20px; }
.dash-row {
  display: grid; grid-template-columns: 1fr 62px 54px; gap: 10px; align-items: center;
  padding: 11px 12px; border: 1px solid var(--line); border-radius: 9px; margin-bottom: 9px;
  font-size: 12.5px; color: var(--ink-2);
}
.dash-row b { color: var(--ink); font-weight: 650; }
.dash-pill { font-size: 10.5px; text-align: center; border-radius: 999px; padding: 3px 0; background: var(--teal-soft); color: #008d7a; font-weight: 650; }
.dash-pill.wait { background: #fdf2e2; color: #a66a14; }
.dash-bar { height: 6px; border-radius: 3px; background: var(--mist-2); overflow: hidden; }
.dash-bar i { display: block; height: 100%; background: var(--blue); border-radius: 3px; }

/* ---------- 报告封面示意 ---------- */
.report-card {
  background: #fff; border-radius: 18px; box-shadow: var(--shadow-lg);
  padding: 26px; color: var(--ink); transform: rotate(1.2deg);
  transition: transform .35s ease;
}
.report-card:hover { transform: rotate(0deg) translateY(-4px); }
.rc-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.rc-title { font-size: 16px; font-weight: 750; }
.rc-chart { display: flex; align-items: flex-end; gap: 9px; height: 116px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.rc-chart i { flex: 1; border-radius: 4px 4px 0 0; background: var(--blue-soft); border: 1px solid #dbe5ff; }
.rc-chart i.hot { background: var(--blue); border-color: var(--blue); }
.rc-axis { display: flex; gap: 9px; margin-top: 9px; }
.rc-axis span { flex: 1; text-align: center; font-size: 10px; color: var(--ink-3); }
.rc-legend { display: flex; gap: 18px; margin-top: 20px; font-size: 11.5px; color: var(--ink-3); }
.rc-legend b { color: var(--ink); font-size: 15px; font-family: var(--mono); display: block; }

/* ---------- 收入条 ---------- */
.rev-list { display: grid; gap: 12px; }
.rev-row {
  display: grid; grid-template-columns: 52px 1fr auto; gap: 20px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 24px;
  transition: transform .18s, box-shadow .18s;
}
.rev-row:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
.rev-row .rn {
  width: 40px; height: 40px; border-radius: 10px; background: var(--navy); color: #fff;
  display: grid; place-items: center; font-family: var(--mono); font-weight: 700; font-size: 14px;
}
.rev-row h3 { font-size: 17px; margin-bottom: 4px; }
.rev-row p { font-size: 14px; }
.rev-row .rt { font-size: 12px; color: var(--blue); font-weight: 650; white-space: nowrap; }

/* ---------- 方案对比卡 ---------- */
.plan {
  border: 1px solid var(--line); border-radius: 18px; padding: 32px;
  background: #fff; display: flex; flex-direction: column; box-shadow: var(--shadow-sm);
}
.plan.featured {
  background: var(--navy); border-color: var(--navy); color: var(--on-dark);
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.plan.featured::before {
  content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px;
  border: 1px solid rgba(255,255,255,.1); border-radius: 50%;
}
.plan.featured h3, .plan.featured strong { color: #fff; }
.plan.featured .per, .plan.featured li { color: var(--on-dark-2); }
.plan h3 { font-size: 23px; margin-bottom: 7px; }
.plan .per { font-size: 13.5px; color: var(--ink-3); margin-bottom: 22px; }
.plan ul { list-style: none; margin: 0 0 26px; display: grid; gap: 12px; }
.plan li { font-size: 14.5px; color: var(--ink-2); padding-left: 26px; position: relative; line-height: 1.6; }
.plan li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal); font-weight: 800;
}
.plan.featured li::before { color: var(--blue-2); }
.plan .btn { margin-top: auto; }

/* ---------- CTA ---------- */
.cta { text-align: center; padding: 88px 0; }
.cta h2 { max-width: 720px; margin: 0 auto 18px; }
.cta p { max-width: 620px; margin: 0 auto; color: var(--on-dark-2); }
.cta .hero-actions { justify-content: center; }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy); color: var(--on-dark-2); padding: 64px 0 36px; }
.footer .brand { color: #fff; }
.footer .brand small { color: var(--on-dark-2); }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer h4 { font-size: 13px; color: #fff; margin-bottom: 18px; letter-spacing: .06em; }
.footer a { display: block; font-size: 14px; margin-bottom: 11px; color: var(--on-dark-2); transition: color .15s; }
.footer a:hover { color: #fff; }
.footer .fdesc { font-size: 14px; margin-top: 14px; max-width: 300px; line-height: 1.75; }
.footer-bottom {
  margin-top: 46px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1);
  font-size: 12.5px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.disclaimer {
  margin-top: 18px; font-size: 12px; line-height: 1.7; color: var(--on-dark-2);
  border: 1px dashed rgba(255,255,255,.2); border-radius: 10px; padding: 14px 16px;
  background: rgba(255,255,255,.03);
}
.disclaimer strong { color: #fff; }

/* ---------- 动效 ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
/* 只有 JS 确认可用时才隐藏；脚本未加载/报错时内容照常显示 */
.js-reveal .reveal { opacity: 0; }
.reveal.in { animation: fadeUp .6s cubic-bezier(.2,.7,.3,1) both; }
@keyframes softPulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.pulse { animation: softPulse 2.2s ease-in-out infinite; }

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-grid .ai-card, .hero-grid .dash, .hero-grid .report-card { max-width: 560px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .scan-shell { grid-template-columns: 1fr; }
  .scan-form { border-right: none; border-bottom: 1px solid var(--line); }
  .timeline { grid-template-columns: repeat(2, 1fr); gap: 28px 0; }
  .timeline::before { display: none; }
}
@media (max-width: 760px) {
  .wrap { padding: 0 20px; }
  /* 窄屏允许高亮词组内部换行，防止长词组撑破视口 */
  h1 .hl, h2 .hl { display: inline; white-space: normal; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
  .nav-inner { height: 64px; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 16px 20px 22px; flex-direction: column; align-items: stretch; gap: 0;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-links .nav-cta { margin-top: 14px; text-align: center; border: none; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4, .stats, .era-grid { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .scan-form, .scan-preview { padding: 26px; }
  .scan-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 26px; }
  .platform-bar .wrap { gap: 12px; }
  .dash { grid-template-columns: 84px 1fr; }
  .rev-row { grid-template-columns: 44px 1fr; gap: 14px; padding: 18px; }
  .rev-row .rt { grid-column: 2; }
  .step { grid-template-columns: 48px 1fr; gap: 14px; }
  .step .idx { width: 38px; height: 38px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; }
}