/* ============================================================
   粮讯通 · 官方站点样式
   配色：粮仓绿 + 谷物金，现代扁平化，响应式
   ============================================================ */
:root {
  --green-900: #0b3d26;
  --green-800: #0e5c35;
  --green-700: #12703f;
  --green-600: #1a7f4b;
  --green-500: #22995c;
  --green-100: #e3f4ea;
  --green-50:  #f2faf5;
  --gold-600: #d98e1f;
  --gold-500: #e8a33d;
  --gold-100: #fdf3e0;
  --ink-900: #17251e;
  --ink-700: #35443c;
  --ink-500: #5f6f66;
  --ink-300: #9aa8a0;
  --line: #e2eae5;
  --bg: #ffffff;
  --bg-soft: #f6f9f7;
  --card: #ffffff;
  --header-bg: rgba(255,255,255,.86);
  --footer-bg: #0a2c1c;
  --chip-g-b: #d3ecdd;
  --chip-gold-b: #fbe6bd;
  --hover-line: #b9dcc6;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 10px;
  --shadow: 0 10px 30px rgba(11, 61, 38, .08);
  --shadow-lg: 0 18px 50px rgba(11, 61, 38, .14);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}

/* ---------- 蓝色主题 ---------- */
[data-theme="blue"] {
  --green-900: #08213f;
  --green-800: #0c3162;
  --green-700: #114484;
  --green-600: #1656a8;
  --green-500: #2470cf;
  --green-100: #e0edfd;
  --green-50:  #eff6ff;
  --gold-600: #0d8ea4;
  --gold-500: #17aec7;
  --gold-100: #dcf5fa;
  --line: #dbe6f2;
  --bg-soft: #f4f8fc;
  --card: #ffffff;
  --header-bg: rgba(255,255,255,.86);
  --footer-bg: #071a31;
  --chip-g-b: #c8def8;
  --chip-gold-b: #bfeaf2;
  --hover-line: #a9cdf0;
  --shadow: 0 10px 30px rgba(8, 33, 63, .08);
  --shadow-lg: 0 18px 50px rgba(8, 33, 63, .14);
}

/* ---------- 黑色主题 ---------- */
[data-theme="dark"] {
  --green-900: #071008;
  --green-800: #0b1d12;
  --green-700: #7ce4a9;
  --green-600: #2fc276;
  --green-500: #34c97c;
  --green-100: rgba(52, 201, 124, .14);
  --green-50:  rgba(52, 201, 124, .07);
  --gold-600: #eab04d;
  --gold-500: #f5c468;
  --gold-100: rgba(245, 196, 104, .13);
  --ink-900: #ecf4ef;
  --ink-700: #c4d3ca;
  --ink-500: #93a69b;
  --ink-300: #65786d;
  --line: #22332a;
  --bg: #0c120e;
  --bg-soft: #101812;
  --card: #131c16;
  --header-bg: rgba(10, 15, 11, .84);
  --footer-bg: #070c09;
  --chip-g-b: rgba(52, 201, 124, .26);
  --chip-gold-b: rgba(245, 196, 104, .24);
  --hover-line: #2f4a3a;
  --shadow: 0 10px 30px rgba(0, 0, 0, .45);
  --shadow-lg: 0 18px 50px rgba(0, 0, 0, .55);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; max-width: 100vw; }
body {
  font-family: var(--font);
  color: var(--ink-700);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(1180px, 92%); margin: 0 auto; }
.section { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .eyebrow,
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--green-600);
  background: var(--green-100);
  border-radius: var(--radius-sm);
  padding: 5px 16px;
  font-weight: 600;
  margin-bottom: 16px;
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); color: var(--ink-900); line-height: 1.3; margin-bottom: 14px; }
.section-head p { color: var(--ink-500); font-size: 16.5px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: var(--radius);
  font-size: 15.5px; font-weight: 600; border: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--primary { background: linear-gradient(135deg, var(--green-600), var(--green-500)); color: #fff; box-shadow: 0 8px 20px rgba(26,127,75,.28); }
.btn--ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.55); }
.btn--ghost:hover { background: rgba(255,255,255,.12); }
.btn--outline { background: var(--card); color: var(--green-700); border: 1.5px solid var(--green-600); }
.btn--gold { background: linear-gradient(135deg, var(--gold-600), var(--gold-500)); color: #fff; box-shadow: 0 8px 20px rgba(217,142,31,.28); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s, border-color .25s, background .3s;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(11,61,38,.08); border-color: var(--line); }
.nav { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 800; color: var(--ink-900); letter-spacing: .02em; }
.brand-mark { width: 34px; height: 34px; flex: none; color: var(--green-600); }
.site-footer .brand-mark { width: 38px; height: 38px; color: #fff; }
.brand small { display: block; font-size: 10.5px; font-weight: 500; color: var(--ink-300); letter-spacing: .32em; margin-top: -3px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  position: relative; padding: 9px 18px; border-radius: var(--radius);
  font-size: 15.5px; color: var(--ink-700); font-weight: 500;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--green-700); background: var(--green-50); }
.nav-links a.active { color: var(--green-700); background: var(--green-100); font-weight: 700; }
.nav-toggle { display: none; background: none; border: none; width: 42px; height: 42px; border-radius: 10px; }
.nav-toggle span { display: block; width: 22px; height: 2.4px; background: var(--ink-900); margin: 5px auto; border-radius: 2px; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  padding: calc(72px + 84px) 0 120px;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(232,163,61,.35), transparent 60%),
    radial-gradient(720px 520px at -10% 110%, rgba(34,153,92,.45), transparent 60%),
    linear-gradient(150deg, var(--green-900) 0%, var(--green-800) 52%, var(--green-600) 100%);
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 -1px 0; height: 90px;
  background: var(--bg);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 90' preserveAspectRatio='none'%3E%3Cpath d='M0,48 C240,90 480,10 720,42 C960,74 1200,20 1440,54 L1440,90 L0,90 Z' fill='%23fff'/%3E%3C/svg%3E") bottom/cover no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 90' preserveAspectRatio='none'%3E%3Cpath d='M0,48 C240,90 480,10 720,42 C960,74 1200,20 1440,54 L1440,90 L0,90 Z' fill='%23fff'/%3E%3C/svg%3E") bottom/cover no-repeat;
}
/* Hero 动态光斑 */
.hero-orbs { position:absolute; inset:0; overflow:hidden; pointer-events:none; }
.orb { position:absolute; border-radius:50%; filter:blur(70px); opacity:.5; will-change:transform; }
.orb--gold { width:420px;height:420px;background:rgba(232,163,61,.4);top:-140px;right:4%;animation:orbFloat 15s ease-in-out infinite alternate; }
.orb--green { width:540px;height:540px;background:rgba(34,153,92,.45);bottom:-220px;left:-140px;animation:orbFloat 19s ease-in-out -7s infinite alternate-reverse; }
@keyframes orbFloat {
  from { transform:translate(0,0) scale(1); }
  to   { transform:translate(46px,-34px) scale(1.14); }
}
@media (prefers-reduced-motion: reduce) { .orb { animation:none; } }
.hero .eyebrow { background: rgba(255,255,255,.14); color: #ffe9c2; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; position: relative; z-index: 1; }
.hero-grid > * { min-width: 0; }
.hero h1 { font-size: clamp(32px, 4.6vw, 54px); line-height: 1.22; letter-spacing: .01em; margin-bottom: 22px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg,#ffd98a,#ffb84d); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 17.5px; color: rgba(255,255,255,.82); max-width: 520px; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats { display: flex; gap: 44px; margin-top: 52px; flex-wrap: wrap; }
.hero-stat b { display: block; font-size: 32px; color: #ffd98a; line-height: 1.1; }
.hero-stat b sup { font-size: 16px; }
.hero-stat span { font-size: 13.5px; color: rgba(255,255,255,.68); letter-spacing: .06em; }

/* Hero 右侧视觉卡 */
.hero-visual { perspective: 900px; min-width: 0; max-width: 100%; }
.visual-card {
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-lg); padding: 26px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  transform: rotateY(-6deg) rotateX(3deg);
  max-width: 100%;
}
.visual-card h3 { font-size: 15px; color: #ffe9c2; letter-spacing: .1em; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.vrow {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  padding: 13px 16px; border-radius: 12px; margin-bottom: 12px;
  font-size: 14.5px;
  flex-wrap: wrap; min-width: 0;
}
.vrow:last-child { margin-bottom: 0; }
.vrow .dot { width: 10px; height: 10px; border-radius: 50%; flex: none; box-shadow: 0 0 12px currentColor; }
.dot.g { color: #4ade80; background: #4ade80; }
.dot.y { color: #fbbf24; background: #fbbf24; }
.dot.b { color: #67e8f9; background: #67e8f9; }
.vrow b { color: #fff; }
.vrow .vrow-txt { min-width: 0; flex: 1; }
.vrow span { color: rgba(255,255,255,.62); font-size: 13px; flex: none; margin-left: auto; }

/* 演示信息 2 列网格 */
.vrow-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.vrow-grid .vrow {
  margin-bottom: 0;
  padding: 11px 13px;
  font-size: 13.2px;
  align-items: center;
  min-width: 0;
  flex-wrap: nowrap;
}
.vrow-grid .vrow .vrow-txt { overflow-wrap: anywhere; }
.vrow-grid .vrow span:last-child { font-size: 12px; }
.weight-display {
  font-family: "Consolas", monospace;
  font-size: 46px; font-weight: 700; color: #7dffb2;
  text-align: center; letter-spacing: .08em;
  background: #06281a; border-radius: 12px; padding: 14px 0 6px;
  margin: 4px 0 16px; text-shadow: 0 0 22px rgba(125,255,178,.65);
}
.weight-display i { font-style: normal; font-size: 18px; color: rgba(125,255,178,.6); margin-left: 6px; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 26px; }
.grid > * { min-width: 0; }
.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 {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s, background .3s;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--hover-line); }
/* 卡片流光扫过 */
.card::before {
  content: ""; position: absolute; top: 0; left: -75%; width: 45%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.28), transparent);
  transform: skewX(-20deg); transition: left .65s ease; pointer-events: none;
}
[data-theme="dark"] .card::before { background: linear-gradient(105deg, transparent, rgba(120,220,170,.10), transparent); }
.card:hover::before { left: 135%; }
.card h3 { color: var(--ink-900); font-size: 19px; margin: 18px 0 10px; }
.card p { color: var(--ink-500); font-size: 14.8px; }
.icon-chip {
  width: 52px; height: 52px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--green-100), var(--chip-g-b));
  color: var(--green-700);
}
.icon-chip.gold { background: linear-gradient(135deg, var(--gold-100), var(--chip-gold-b)); color: var(--gold-600); }
.icon-chip svg { width: 26px; height: 26px; }

/* 产品矩阵大卡 */
.product-card {
  border-radius: var(--radius-lg); overflow: hidden; display: flex;
  border: 1px solid var(--line); background: var(--card);
  transition: transform .25s, box-shadow .25s, background .3s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card .pc-body { padding: 40px 38px; flex: 1.2; min-width: 0; }
.product-card .pc-side { flex: .8; min-height: 260px; display: flex; align-items: center; justify-content: center; padding: 30px; color: #fff; min-width: 0; }
.pc-side.side-green { background: linear-gradient(160deg, var(--green-800), var(--green-500)); }
.pc-side.side-gold { background: linear-gradient(160deg, #b06e12, var(--gold-500)); }
.product-card h3 { font-size: 23px; margin: 14px 0 12px; color: var(--ink-900); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 26px; }
.tag { font-size: 12.5px; padding: 4px 13px; border-radius: var(--radius-sm); background: var(--green-50); color: var(--green-700); border: 1px solid var(--hover-line); }
.pc-side svg { width: 120px; height: 120px; opacity: .95; }

/* 流程时间线 */
.flow-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.flow-col { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px 34px; transition: background .3s; }
.flow-col > h3 { display: flex; align-items: center; gap: 12px; font-size: 20px; color: var(--ink-900); margin-bottom: 26px; }
.flow-badge { width: 44px; height: 44px; border-radius: var(--radius); background: var(--green-100); color: var(--green-700); display: flex; align-items: center; justify-content: center; flex: none; }
.flow-badge.out { background: var(--gold-100); color: var(--gold-600); }
.flow-steps { counter-reset: step; }
.flow-steps li {
  counter-increment: step; position: relative;
  padding: 0 0 26px 52px; font-size: 15px;
}
.flow-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--green-100); color: var(--green-700);
  font-size: 12.5px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.flow-steps li::after {
  content: ""; position: absolute; left: 16.5px; top: 40px; bottom: 4px;
  width: 1.5px; background: repeating-linear-gradient(var(--line) 0 5px, transparent 5px 10px);
}
.flow-steps li:last-child::after { display: none; }
.flow-steps li b { color: var(--ink-900); display: block; font-size: 15.5px; }
.flow-steps li span { color: var(--ink-500); font-size: 13.8px; }
.flow-col.out .flow-steps li::before { background: var(--gold-100); color: var(--gold-600); }
.flow-col.out .flow-steps li::after { background: repeating-linear-gradient(#f3ddba 0 5px, transparent 5px 10px); }

/* 数据带 */
.stat-band { background: linear-gradient(135deg, var(--green-900), var(--green-700)); color: #fff; padding: 64px 0; }
[data-theme="dark"] .stat-band,
[data-theme="dark"] .contact-info-card { --green-700: #14663c; }
.stat-band .grid-4 { gap: 20px; }
.sb-item { text-align: center; padding: 18px 10px; border-right: 1px dashed rgba(255,255,255,.22); }
.sb-item:last-child { border-right: none; }
.sb-item b { display: block; font-size: 40px; color: #ffd98a; line-height: 1.15; }
.sb-item span { font-size: 14px; color: rgba(255,255,255,.72); }

/* 特性行（图文左右） */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature-row > * { min-width: 0; }
.feature-row + .feature-row { margin-top: 96px; }
.feature-row.rev .fr-media { order: 2; }
.fr-copy h3 { font-size: clamp(22px, 2.6vw, 30px); color: var(--ink-900); margin-bottom: 16px; }
.fr-copy p { color: var(--ink-500); margin-bottom: 22px; }
.check-list li { display: flex; gap: 12px; padding: 9px 0; font-size: 15.2px; color: var(--ink-700); }
.check-list svg { width: 21px; height: 21px; color: var(--green-600); flex: none; margin-top: 4px; }
.fr-media {
  border-radius: var(--radius-lg); padding: 34px; color: #fff;
  background:
    radial-gradient(420px 260px at 90% 0%, rgba(232,163,61,.4), transparent 60%),
    linear-gradient(150deg, var(--green-900), var(--green-600));
  box-shadow: var(--shadow-lg);
}
.media-panel { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); padding: 20px 22px; margin-top: 16px; backdrop-filter: blur(6px); }
.media-panel h4 { font-size: 14px; color: #ffe9c2; letter-spacing: .12em; margin-bottom: 12px; }
.mp-line { display: flex; justify-content: space-between; font-size: 13.8px; padding: 7px 0; border-bottom: 1px dashed rgba(255,255,255,.15); color: rgba(255,255,255,.85); }
.mp-line:last-child { border-bottom: none; }
.mp-line b { color: #fff; }

/* 手机 mockup（小程序页） */
.phone-mock {
  width: 280px; margin: 0 auto; border-radius: 38px;
  background: #101a14; padding: 12px;
  box-shadow: 0 30px 70px rgba(11,61,38,.35), inset 0 0 0 2px rgba(255,255,255,.06);
}
.phone-screen { border-radius: 28px; overflow: hidden; background: var(--bg-soft); }
.ps-statusbar { display: flex; justify-content: space-between; padding: 10px 18px 6px; font-size: 11px; color: var(--ink-500); background: #fff; }
.ps-head { background: linear-gradient(140deg, var(--green-800), var(--green-500)); color: #fff; padding: 16px 18px 22px; }
.ps-head b { font-size: 17px; }
.ps-head span { display: block; font-size: 11.5px; opacity: .75; margin-top: 2px; }
.ps-price { margin: -14px 12px 0; background: #fff; border-radius: 12px; padding: 12px 14px; box-shadow: 0 8px 20px rgba(11,61,38,.1); }
.ps-price h5 { font-size: 11px; color: var(--ink-300); letter-spacing: .1em; margin-bottom: 8px; }
.ps-price-row { display: flex; justify-content: space-between; font-size: 12.5px; padding: 5px 0; color: var(--ink-700); }
.ps-price-row b { color: #c0392b; font-family: Consolas, monospace; }
.ps-price-row b.up::after { content: "↑"; color: #27ae60; margin-left: 2px; }
.ps-price-row b.down::after { content: "↓"; color: #c0392b; margin-left: 2px; }
.ps-tabs { display: flex; gap: 8px; padding: 12px 12px 0; }
.ps-tab { font-size: 11px; padding: 5px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--ink-500); }
.ps-tab.on { background: var(--green-600); border-color: var(--green-600); color: #fff; }
.ps-feed { padding: 10px 12px 16px; display: grid; gap: 8px; }
.ps-card { background: #fff; border-radius: 10px; padding: 10px 12px; font-size: 11.5px; color: var(--ink-700); border: 1px solid var(--line); }
.ps-card b { display: block; font-size: 12.5px; color: var(--ink-900); margin-bottom: 3px; }
.ps-card i { float: right; font-style: normal; font-size: 10.5px; color: var(--green-600); background: var(--green-50); padding: 2px 8px; border-radius: 999px; }

/* 表格（硬件兼容） */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); transition: background .3s; }
table.spec { width: 100%; border-collapse: collapse; font-size: 14.6px; min-width: 640px; }
table.spec th { background: var(--green-800); color: #fff; text-align: left; padding: 15px 22px; font-weight: 600; letter-spacing: .04em; white-space: nowrap; }
table.spec td { padding: 14px 22px; border-top: 1px solid var(--line); color: var(--ink-700); vertical-align: top; }
table.spec tr:nth-child(even) td { background: var(--bg-soft); }
table.spec td:first-child { white-space: nowrap; font-weight: 600; color: var(--ink-900); }

/* 手风琴 FAQ */
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); margin-bottom: 14px; overflow: hidden; transition: box-shadow .2s, background .3s; }
.faq-item.open { box-shadow: var(--shadow); border-color: var(--hover-line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none;
  padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--ink-900);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q::after { content: "+"; font-size: 22px; color: var(--green-600); transition: transform .25s; flex: none; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 24px 20px; color: var(--ink-500); font-size: 14.8px; }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
.contact-info-card {
  background: linear-gradient(155deg, var(--green-900), var(--green-700));
  color: #fff; border-radius: var(--radius-lg); padding: 40px 36px; box-shadow: var(--shadow-lg);
}
.contact-info-card h3 { font-size: 22px; margin-bottom: 8px; }
.contact-info-card > p { color: rgba(255,255,255,.7); font-size: 14.5px; margin-bottom: 28px; }
.ci-row { display: flex; gap: 16px; padding: 15px 0; border-top: 1px dashed rgba(255,255,255,.18); align-items: flex-start; }
.ci-row svg { width: 22px; height: 22px; color: #ffd98a; flex: none; margin-top: 3px; }
.ci-row b { display: block; font-size: 14.5px; }
.ci-row span { font-size: 14px; color: rgba(255,255,255,.78); }
.form-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px 36px; box-shadow: var(--shadow); transition: background .3s; }
.form-card h3 { color: var(--ink-900); font-size: 20px; margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink-900); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 14.5px; color: var(--ink-900);
  border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; outline: none; background: var(--bg-soft);
  transition: border-color .2s, background .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green-500); background: var(--card); box-shadow: 0 0 0 4px rgba(34,153,92,.12); }
.form-note { font-size: 12.8px; color: var(--ink-300); margin-top: 14px; }
.form-success {
  display: none; text-align: center; padding: 46px 20px;
}
.form-success.show { display: block; }
.form-success svg { width: 64px; height: 64px; color: var(--green-600); margin: 0 auto 18px; }
.form-success h4 { color: var(--ink-900); font-size: 20px; margin-bottom: 8px; }

/* CTA 带 */
.cta-band { position: relative; overflow: hidden; padding: 84px 0; color: #fff; text-align: center;
  background:
    radial-gradient(700px 340px at 15% 20%, rgba(232,163,61,.35), transparent 60%),
    radial-gradient(700px 380px at 90% 90%, rgba(34,153,92,.5), transparent 60%),
    linear-gradient(135deg, var(--green-900), var(--green-800));
}
.cta-band h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,.78); max-width: 620px; margin: 0 auto 32px; }

/* 页脚 */
.site-footer { background: var(--footer-bg); color: rgba(255,255,255,.66); padding: 66px 0 0; font-size: 14px; transition: background .3s; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.site-footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 18px; letter-spacing: .04em; }
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.site-footer ul li { padding: 5.5px 0; }
.site-footer ul a:hover { color: #ffd98a; }
.copyright { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.42); }

/* 动效 */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- 主题切换器（由 theme.js 注入） ---------- */
.theme-switch {
  display: flex; align-items: center; gap: 6px;
  padding: 5px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--bg-soft);
}
.ts-btn {
  width: 24px; height: 24px; border-radius: var(--radius-sm);
  border: none; position: relative; flex: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.ts-btn:hover { transform: translateY(-2px) scale(1.08); }
.ts-btn.is-on { box-shadow: 0 0 0 2px var(--bg-soft), 0 0 0 4px var(--green-500); }
.ts-green { background: linear-gradient(135deg, #22995c, #0b3d26); }
.ts-blue  { background: linear-gradient(135deg, #2470cf, #08213f); }
.ts-dark  { background: linear-gradient(135deg, #3a4754, #10151b); }

/* ---------- 滚动进度条 ---------- */
#scrollProgress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  z-index: 200; pointer-events: none;
  background: linear-gradient(90deg, var(--green-500), var(--gold-500));
  transition: width .12s linear;
}

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 22px; bottom: 26px; z-index: 90;
  width: 44px; height: 44px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--card); color: var(--green-600);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: all .28s ease; box-shadow: var(--shadow);
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { transform: translateY(-4px); }
.back-top svg { width: 20px; height: 20px; }

/* ---------- 文字渐变 / 徽标点动 ---------- */
.grad-text { background: linear-gradient(90deg, var(--green-500), var(--gold-500)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pulse-dot { position: relative; display:inline-block; width:8px;height:8px;border-radius:50%;background:#4ade80;flex:none; }
.pulse-dot::after { content:""; position:absolute; inset:-4px; border-radius:50%; border:2px solid rgba(74,222,128,.6); animation:pulseRing 1.8s ease-out infinite; }
@keyframes pulseRing { 0%{transform:scale(.5);opacity:1;} 100%{transform:scale(1.5);opacity:0;} }

/* 数字滚动条目 */
.stat-band b[data-count], .hero-stat b[data-count] { font-variant-numeric: tabular-nums; }

/* ---------- Wiki 文档中心 ---------- */
.wiki-hero {
  position:relative; overflow:hidden; color:#fff;
  padding: calc(72px + 64px) 0 56px;
  background:
    radial-gradient(800px 400px at 88% -20%, rgba(232,163,61,.32), transparent 60%),
    radial-gradient(700px 480px at -10% 120%, rgba(34,153,92,.42), transparent 60%),
    linear-gradient(150deg, var(--green-900), var(--green-800) 52%, var(--green-600));
}
.wiki-hero::after { content:""; position:absolute; inset:auto 0 -1px 0; height:60px; background:var(--bg);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60' preserveAspectRatio='none'%3E%3Cpath d='M0,30 C240,58 480,6 720,26 C960,46 1200,12 1440,34 L1440,60 L0,60 Z' fill='%23fff'/%3E%3C/svg%3E") bottom/cover no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60' preserveAspectRatio='none'%3E%3Cpath d='M0,30 C240,58 480,6 720,26 C960,46 1200,12 1440,34 L1440,60 L0,60 Z' fill='%23fff'/%3E%3C/svg%3E") bottom/cover no-repeat;
}

.wiki-tabs {
  position: sticky; top: 72px; z-index: 80;
  background: var(--header-bg); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.wiki-tabbar { display:flex; gap:4px; overflow-x:auto; scrollbar-width:none; }
.wiki-tabbar::-webkit-scrollbar { display:none; }
.wiki-tab {
  position:relative; white-space:nowrap; border:none; background:none;
  display:inline-flex; align-items:center; gap:7px;
  padding: 15px 18px; font-size:15px; font-weight:600; color:var(--ink-500);
  transition:color .2s;
}
.wiki-tab svg { width:17px; height:17px; flex:none; display:block; }
.wiki-tab:hover { color: var(--green-700); }
.wiki-tab.active { color: var(--green-700); }
.wiki-tab::after {
  content:""; position:absolute; left:14px; right:14px; bottom:0; height:3px;
  border-radius:3px 3px 0 0; background:linear-gradient(90deg,var(--green-500),var(--gold-500));
  transform:scaleX(0); transition:transform .25s ease;
}
.wiki-tab.active::after { transform:scaleX(1); }
.wiki-count { font-size:11.5px; font-weight:600; padding:2px 7px; border-radius:var(--radius-sm); margin-left:6px; background:var(--green-100); color:var(--green-700); vertical-align:2px; }

.wiki-body { padding: 40px 0 90px; }
.doc-layout { position: relative; }
.doc-side { position:sticky; top:136px; }
.doc-side h5 { font-size:12.5px; letter-spacing:.16em; color:var(--ink-300); margin: 0 0 10px 12px; }
.doc-nav a {
  display:flex; align-items:center; gap:9px;
  padding:9px 12px; margin-bottom:2px; border-radius:var(--radius);
  font-size:14.2px; color:var(--ink-500); border-left:2.5px solid transparent;
  transition:all .2s;
}
.doc-nav a svg { width:15px;height:15px;flex:none;opacity:.7; }
.doc-nav a:hover { color:var(--green-700); background:var(--bg-soft); }
.doc-nav a.on { color:var(--green-700); background:var(--green-50); font-weight:600; border-left-color:var(--green-500); border-radius:0 var(--radius) var(--radius) 0; }

.doc-panel { display:none; }
.doc-panel.active {
  display:grid; grid-template-columns:250px 1fr; gap:38px; align-items:start;
  animation:panelIn .45s ease both;
}
@keyframes panelIn { from{opacity:0;transform:translateY(16px);} to{opacity:1;transform:none;} }

.doc-article {
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding: 30px 32px; margin-bottom:24px; scroll-margin-top:140px;
  transition:border-color .25s, box-shadow .25s, background .3s;
}
.doc-article:hover { border-color:var(--hover-line); box-shadow:var(--shadow); }
.doc-article > h3 {
  display:flex; align-items:center; gap:10px;
  font-size:19px; color:var(--ink-900); margin-bottom:14px;
}
.doc-article h4 { font-size:15.5px; color:var(--ink-900); margin:20px 0 10px; }
.doc-article p { color:var(--ink-500); font-size:14.6px; margin-bottom:10px; }
.doc-num {
  width:30px;height:30px;border-radius:var(--radius-sm);flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--green-100);color:var(--green-700);
  font-size:13px;font-weight:800;font-family:Consolas,monospace;
}
.doc-list li {
  display:flex; gap:10px; padding:6.5px 0; font-size:14.4px; color:var(--ink-700);
}
.doc-list svg { width:17px;height:17px;color:var(--green-600);flex:none;margin-top:4px; }
.doc-steps { counter-reset:ds; }
.doc-steps li {
  counter-increment:ds; position:relative; padding:0 0 18px 40px; font-size:14.5px;
}
.doc-steps li::before {
  content:counter(ds); position:absolute; left:0; top:0;
  width:27px;height:27px;border-radius:var(--radius-sm);
  background:var(--green-100);color:var(--green-700);
  font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.doc-steps li b { display:block; color:var(--ink-900); font-size:14.8px; }
.doc-steps li span { color:var(--ink-500); font-size:13.6px; }
kbd {
  font-family:Consolas,monospace;font-size:12.5px;color:var(--green-700);
  background:var(--bg-soft);border:1px solid var(--line);border-bottom-width:2px;
  border-radius:var(--radius-sm);padding:1.5px 7px;
}
.tip-box {
  display:flex;gap:12px;align-items:flex-start;
  background:var(--gold-100);border:1px dashed var(--gold-500);
  border-radius:var(--radius);padding:14px 16px;margin:14px 0;font-size:13.8px;color:var(--ink-700);
}
.tip-box svg { width:19px;height:19px;color:var(--gold-600);flex:none;margin-top:2px; }
.doc-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.doc-mini {
  border:1px solid var(--line); border-radius:var(--radius); padding:16px;
  transition:transform .22s, border-color .22s, box-shadow .22s;
}
.doc-mini:hover { transform:translateY(-4px); border-color:var(--hover-line); box-shadow:var(--shadow); }
.doc-mini b { display:flex;align-items:center;gap:8px;color:var(--ink-900);font-size:14.5px;margin-bottom:6px; }
.doc-mini b svg { width:17px;height:17px;color:var(--green-600); }
.doc-mini span { font-size:13px;color:var(--ink-500); }

/* 响应式 */
@media (max-width: 1020px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 520px; }
  .feature-row { grid-template-columns: 1fr; gap: 36px; }
  .feature-row.rev .fr-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .flow-wrap { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .product-card { flex-direction: column; }
  .doc-panel.active { grid-template-columns: 1fr; }
  .doc-side { position: static; }
  .doc-nav { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 26px; }
  .doc-nav a { border-left:none; border:1px solid var(--line); border-radius:999px; padding:7px 14px; font-size:13px; }
  .doc-nav a.on { border-color: var(--green-500); background: var(--green-100); border-radius:999px; }
  .doc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .section { padding: 62px 0; }
  .nav-links {
    position: fixed; top: 72px; right: 0; left: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--card); border-bottom: 1px solid var(--line);
    padding: 14px 5vw 20px; box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 18px; }
  .nav-toggle { display: block; }
  body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7.4px) rotate(45deg); }
  body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7.4px) rotate(-45deg); }
  .theme-switch { margin-right: 10px; }
  .ts-btn { width: 21px; height: 21px; }
  .hero { padding-bottom: 80px; }
  .hero-stats { gap: 26px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .sb-item b { font-size: 30px; }
  .visual-card { transform: none; }
  .doc-article { padding: 22px 18px; }
  .doc-grid { grid-template-columns: 1fr; }
  /* 移动端页脚：单列 + 手风琴下拉 */
  .footer-grid { grid-template-columns: 1fr; gap: 0; text-align: left; padding-bottom: 20px; }
  .footer-brand { display: flex; flex-direction: column; align-items: center; text-align: center; padding-bottom: 18px; }
  .footer-brand .brand { justify-content: center; }
  .footer-brand p { max-width: 340px; margin: 0 auto; }
  .footer-grid > div:not(.footer-brand) { border-top: 1px solid rgba(255,255,255,.1); }
  .footer-grid > div:not(.footer-brand) h4 {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 4px; margin: 0; cursor: pointer; -webkit-tap-highlight-color: transparent;
  }
  .footer-grid > div:not(.footer-brand) h4::after {
    content: "+"; font-size: 18px; font-weight: 400; color: rgba(255,255,255,.5);
    transition: transform .25s ease;
  }
  .footer-grid > div.open h4::after { transform: rotate(45deg); }
  .footer-grid > div:not(.footer-brand) ul { display: none; padding: 0 4px 16px; }
  .footer-grid > div.open ul { display: block; animation: panelIn .3s ease both; }
  .footer-grid ul li { overflow-wrap: anywhere; }
}