/* =========================================================
   Geogs.cn — 山东云麦电商 · GEO 生成式引擎优化
   Design system
   ========================================================= */

:root {
  --ink: #0a2450;
  --ink-deep: #061831;
  --ink-soft: #1f3a5f;
  --body: #40546e;
  --muted: #6b7c93;
  --line: #e3e9f1;
  --line-soft: #edf1f6;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --bg-tint: #eef4fb;
  --accent: #0a8f6b;
  --accent-bright: #12b886;
  --accent-soft: #e6f6f0;
  --blue: #1d63ed;
  --blue-soft: #e8f0fe;
  --gold: #c08a3e;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --shadow-sm: 0 1px 2px rgba(10, 36, 80, .05), 0 8px 24px -18px rgba(10, 36, 80, .35);
  --shadow: 0 2px 4px rgba(10, 36, 80, .04), 0 18px 44px -26px rgba(10, 36, 80, .45);
  --shadow-lg: 0 30px 70px -40px rgba(10, 36, 80, .55);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  --nav-h: 76px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 28px); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.015em;
  margin: 0;
}

h1 { font-size: clamp(2.1rem, 4vw, 3rem); line-height: 1.2; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 2.9vw, 2.35rem); }
h3 { font-size: 1.16rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

::selection { background: #cdeee2; color: var(--ink-deep); }

.wrap { width: min(1200px, 100% - 48px); margin-inline: auto; }
.wrap-narrow { width: min(920px, 100% - 48px); margin-inline: auto; }
.section { padding: clamp(64px, 8vw, 108px) 0; position: relative; }
.section-sm { padding: clamp(44px, 5vw, 68px) 0; }
.bg-soft { background: var(--bg-soft); }
.bg-ink { background: var(--ink-deep); color: #c7d6e8; }
.bg-ink h2, .bg-ink h3, .bg-ink h4 { color: #fff; }

/* ------------------------- typography helpers ------------------------- */
/* eyebrow：浅底胶囊 + 呼吸圆点 */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 11px; border-radius: 100px;
  background: linear-gradient(120deg, rgba(10, 143, 107, .1), rgba(29, 99, 237, .07));
  border: 1px solid rgba(10, 143, 107, .22);
  font-size: .82rem; font-weight: 700; letter-spacing: .06em;
  color: var(--accent); text-transform: none; line-height: 1.4;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; flex: none;
  background: currentColor; box-shadow: 0 0 0 3px rgba(10, 143, 107, .13);
}
.eyebrow.on-dark {
  color: #7fe7c2; border-color: rgba(127, 231, 194, .3);
  background: rgba(127, 231, 194, .09);
}
.eyebrow.on-dark::before { box-shadow: 0 0 0 3px rgba(127, 231, 194, .14); }

.lead { font-size: clamp(1rem, 1.35vw, 1.12rem); color: var(--body); line-height: 1.9; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

.sec-head { max-width: 760px; margin-bottom: clamp(32px, 4vw, 56px); }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head h2 { margin: 14px 0 16px; }
.sec-head p { color: var(--muted); margin: 0; }
.sec-head.center .eyebrow { justify-content: center; }

.grad-text {
  background: linear-gradient(100deg, #0a2450 10%, #0a8f6b 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ------------------------- buttons ------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 52px; padding: 0 26px;
  border-radius: 999px; border: 1px solid transparent;
  font-size: .95rem; font-weight: 600; letter-spacing: .01em;
  cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s, border-color .25s;
}
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-primary {
  background: var(--ink); color: #fff;
  box-shadow: 0 12px 26px -14px rgba(10, 36, 80, .8);
}
.btn-primary:hover { background: #0d2f65; transform: translateY(-2px); box-shadow: 0 18px 32px -14px rgba(10, 36, 80, .7); }
.btn-accent {
  background: linear-gradient(135deg, #0aa87d, #0a8f6b); color: #fff;
  box-shadow: 0 14px 30px -16px rgba(10, 143, 107, .9);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 20px 36px -16px rgba(10, 143, 107, .8); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: #b9c9dd; background: #fbfdff; transform: translateY(-2px); }
.btn-on-dark { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .22); }
.btn-on-dark:hover { background: rgba(255, 255, 255, .15); transform: translateY(-2px); }
.btn-sm { height: 44px; padding: 0 20px; font-size: .88rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 600; font-size: .9rem; color: var(--ink);
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: gap .25s var(--ease), color .25s, border-color .25s;
}
.link-arrow svg { width: 14px; height: 14px; }
.link-arrow:hover { gap: 12px; color: var(--accent); border-color: var(--accent); }

/* ------------------------- top bar + nav ------------------------- */
.topbar {
  background: var(--ink-deep); color: #a9bed6;
  font-size: .8rem; letter-spacing: .02em;
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  min-height: 38px; padding-block: 6px;
}
.topbar-left { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topbar strong { color: #fff; font-weight: 600; }
.topbar .dot { color: #4a6485; }
.topbar a:hover { color: #fff; }

/* 顶栏右侧：全国站点地图入口 */
.topbar-right { display: flex; align-items: center; gap: 14px; flex: none; }
.sitemap-link {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 4px 11px 4px 9px; border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .07);
  color: #d7e5f4; font-size: .78rem; letter-spacing: .02em;
  transition: background .25s, border-color .25s, color .25s, transform .25s var(--ease);
}
.sitemap-link svg { width: 14px; height: 14px; flex: none; color: #7fe7c2; }
.sitemap-link:hover {
  color: #fff; background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .32); transform: translateY(-1px);
}

.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(227, 233, 241, .9);
  transition: box-shadow .3s, background .3s;
}
.site-header.scrolled { box-shadow: 0 10px 30px -22px rgba(10, 36, 80, .6); background: rgba(255, 255, 255, .97); }
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: 24px; }

.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(145deg, #0d2f65, #0a8f6b);
  display: grid; place-items: center; color: #fff;
  box-shadow: 0 8px 18px -10px rgba(10, 36, 80, .9);
  position: relative; overflow: hidden;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 15% 10%, rgba(255, 255, 255, .35), transparent 60%);
}
.brand-mark svg { width: 22px; height: 22px; position: relative; z-index: 1; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 800; color: var(--ink); font-size: 1.06rem; letter-spacing: -.02em; }
.brand-sub { font-size: .66rem; color: var(--muted); letter-spacing: .18em; text-transform: uppercase; margin-top: 3px; }

.nav-menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-menu > li > a {
  display: inline-block; padding: 8px 13px; border-radius: 9px;
  font-size: .93rem; font-weight: 500; color: var(--ink-soft);
  transition: color .2s, background .2s;
}
.nav-menu > li > a:hover { color: var(--ink); background: var(--bg-soft); }
.nav-menu > li > a.active { color: var(--accent); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 12px; flex: none; }
.nav-phone { display: flex; flex-direction: column; line-height: 1.2; text-align: right; }
.nav-phone span { font-size: .67rem; color: var(--muted); letter-spacing: .08em; }
.nav-phone strong { font-size: .98rem; color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }
.nav-phone strong:hover { color: var(--accent); }
.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line);
  border-radius: 11px; background: #fff; cursor: pointer; padding: 0;
  flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  transition: border-color .25s, background .25s;
}
.nav-toggle:hover { border-color: #c3d5e6; background: #fbfdff; }
.nav-toggle span { display: block; height: 1.6px; background: var(--ink); border-radius: 2px; transition: width .3s var(--ease), background .3s; }
.nav-toggle span:nth-child(1) { width: 18px; }
.nav-toggle span:nth-child(2) { width: 12px; }
.nav-toggle span:nth-child(3) { display: none; }

/* ------------------------- hero ------------------------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 520px at 82% -10%, rgba(10, 143, 107, .13), transparent 62%),
    radial-gradient(760px 480px at 8% 0%, rgba(29, 99, 237, .09), transparent 60%),
    linear-gradient(180deg, #fbfdff 0%, #f3f8fd 60%, #ffffff 100%);
  border-bottom: 1px solid var(--line-soft);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(10, 36, 80, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(10, 36, 80, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 78% 62% at 50% 30%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 50% 30%, #000 25%, transparent 78%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.06fr .94fr; gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding: clamp(56px, 7vw, 96px) 0 clamp(52px, 6vw, 84px);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 14px 7px 8px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: .8rem; color: var(--ink-soft); font-weight: 500;
  margin-bottom: 24px;
}
.hero-badge b {
  background: var(--accent-soft); color: #067455;
  font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  padding: 4px 9px; border-radius: 999px;
}
.hero h1 { margin-bottom: 22px; }
.hero h1 .line { display: block; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #0a8f6b, #1d9bd1 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-p { font-size: clamp(1rem, 1.3vw, 1.1rem); line-height: 1.9; color: var(--body); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 22px; }
.hero-note { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; font-size: .82rem; color: var(--muted); }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note svg { width: 14px; height: 14px; color: var(--accent); }

/* hero visual: AI 对话演示（参考 geogs.cn 排版） */
.hero-visual { position: relative; }
.chat-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line);
  border-radius: 20px; box-shadow: var(--shadow-lg);
}
.chat-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: linear-gradient(150deg, rgba(10, 143, 107, .38), transparent 42%, rgba(29, 99, 237, .28));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.chat-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 13px 18px; border-bottom: 1px solid var(--line-soft);
  background: #fbfdff; border-radius: 20px 20px 0 0;
}
.chat-bar i { width: 8px; height: 8px; border-radius: 50%; background: #e2e9f3; display: block; }
.chat-bar i:nth-child(1) { background: #f0c6cb; }
.chat-bar i:nth-child(2) { background: #f0ddb4; }
.chat-bar i:nth-child(3) { background: #bfe6d3; }
.chat-bar .t { margin-left: 6px; font-size: .78rem; color: var(--muted); letter-spacing: .04em; }
.chat-bar .live {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  font-size: .68rem; font-weight: 700; letter-spacing: .12em; color: var(--accent);
}
.chat-bar .live::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 3px rgba(10, 143, 107, .16);
}
.chat-body { display: flex; flex-direction: column; gap: 15px; padding: 22px 20px 24px; min-height: 380px; }

.msg { display: flex; gap: 10px; }
.msg .av {
  width: 30px; height: 30px; border-radius: 9px; flex: none;
  display: grid; place-items: center;
  font-size: .68rem; font-weight: 700; letter-spacing: .02em;
}
.msg.user .av { background: #eff3fc; color: var(--ink-soft); border: 1px solid var(--line); }
.msg.ai .av { background: linear-gradient(145deg, #0d2f65, #0a8f6b); color: #fff; }
.msg .bub {
  max-width: calc(100% - 42px); padding: 11px 14px;
  border-radius: 14px; font-size: .86rem; line-height: 1.75;
  border: 1px solid var(--line-soft); background: #f8fafd; color: var(--body);
}
.msg.user .bub { background: #eef3fe; border-color: #dde5fb; color: var(--ink); }
.msg.ai .bub b { color: var(--ink); font-weight: 600; }
.msg.ai .bub .hl {
  display: inline-block; color: #fff; background: linear-gradient(115deg, #0a8f6b, #12b886);
  padding: 0 6px; border-radius: 5px; font-weight: 700; white-space: nowrap;
}
.msg .src {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line);
}
.msg .src span {
  font-size: .66rem; color: var(--muted); padding: 2px 9px;
  border: 1px solid var(--line); border-radius: 100px; background: #fff;
}
.caret {
  display: inline-block; width: 2px; height: 14px; vertical-align: -2px;
  background: var(--accent); margin-left: 2px; animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.chat-foot {
  display: flex; align-items: center; gap: 9px;
  padding: 12px 18px; border-top: 1px solid var(--line-soft);
  background: #fbfdff; border-radius: 0 0 20px 20px;
  font-size: .72rem; color: var(--muted); line-height: 1.6;
}
.chat-foot .dot {
  width: 5px; height: 5px; border-radius: 50%; flex: none;
  background: var(--accent); box-shadow: 0 0 0 3px rgba(10, 143, 107, .14);
}
.float-badge {
  position: absolute; padding: 11px 15px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
  font-size: .7rem; color: var(--muted); line-height: 1.5; z-index: 3;
}
.float-badge b {
  display: block; font-size: 1.16rem; font-weight: 800;
  color: var(--ink); letter-spacing: -.02em; font-variant-numeric: tabular-nums;
}
.float-badge b small { font-size: .72rem; font-weight: 700; color: var(--accent); margin-left: 1px; }
.float-badge.f1 { left: -28px; bottom: 76px; animation: floaty 6.5s ease-in-out infinite; }
.float-badge.f2 { right: -22px; top: 74px; animation: floaty 7.6s ease-in-out infinite reverse; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* 消息入场动画（静态预览 mode 下不播放） */
.msg { opacity: 0; transform: translateY(10px); animation: msgIn .5s var(--ease) forwards; }
@keyframes msgIn { to { opacity: 1; transform: none; } }
.msg:nth-child(1) { animation-delay: .1s; }
.msg:nth-child(2) { animation-delay: .6s; }
.msg:nth-child(3) { animation-delay: 1.3s; }
.msg:nth-child(4) { animation-delay: 1.8s; }
html.no-anim .msg { opacity: 1; transform: none; animation: none; }
html.no-anim .float-badge { animation: none !important; }

/* ------------------------- trust strip ------------------------- */
.trust { border-bottom: 1px solid var(--line); background: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 26px 26px; border-right: 1px solid var(--line-soft); }
.trust-item:first-child { padding-left: 0; }
.trust-item:last-child { border-right: 0; padding-right: 0; }
.trust-item .k { display: block; font-size: .72rem; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; margin-bottom: 8px; }
.trust-item .v { display: block; font-size: 1.02rem; font-weight: 700; color: var(--ink); line-height: 1.4; }
.trust-item .v small { display: block; font-weight: 500; color: var(--muted); font-size: .8rem; margin: 3px 0 0; line-height: 1.5; }

/* ------------------------- cards / grids ------------------------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 28px;
  position: relative; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.card::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, #0a8f6b, #1d9bd1);
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #cfdcea; }
.card:hover::after { transform: scaleX(1); }
.card-icon {
  width: 48px; height: 48px; border-radius: 13px;
  display: grid; place-items: center; margin-bottom: 20px;
  background: linear-gradient(150deg, #eaf3fb, #e5f6f0);
  color: #0a7f63; border: 1px solid #dcebf5;
}
.card-icon svg { width: 23px; height: 23px; }

/* 卡片头部：图标与编号（或标题）同行，避免整行空洞 */
.card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 14px;
}
.card-head .card-icon { width: 44px; height: 44px; border-radius: 12px; margin-bottom: 0; flex: none; }
.card-head .card-icon svg { width: 21px; height: 21px; }
.card-head .card-num {
  margin-bottom: 0; white-space: nowrap;
  padding: 4px 11px; border-radius: 100px;
  background: var(--bg-soft); border: 1px solid var(--line-soft);
  font-size: .66rem; color: var(--muted); letter-spacing: .1em;
}
.card-head h3 { margin: 0; flex: 1; font-size: 1.12rem; }
.card-num {
  font-family: var(--mono); font-size: .72rem; color: #9fb0c4;
  letter-spacing: .12em; margin-bottom: 14px; display: block;
}
.card h3 { margin-bottom: 10px; font-size: 1.18rem; }
.card h3 a:hover { color: var(--accent); }
.card p { font-size: .92rem; color: var(--muted); line-height: 1.85; margin-bottom: 18px; }
.card-list { display: grid; gap: 8px; margin-bottom: 22px; }
.card-list li { position: relative; padding-left: 20px; font-size: .87rem; color: var(--ink-soft); }
.card-list li::before {
  content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px;
  border-radius: 50%; border: 2px solid #b6dfd0; background: #fff;
}
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* service feature row */
.service-card { display: flex; flex-direction: column; }
.service-card p { flex: 0 0 auto; }
.service-card .card-list { flex: 1 1 auto; }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.tag {
  font-size: .72rem; padding: 4px 10px; border-radius: 999px;
  background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-soft);
}

/* ------------------------- deliverable grid ------------------------- */
.gift-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gift {
  background: #fff; border: 1px solid var(--line); border-radius: 15px;
  padding: 22px 20px; transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.gift:hover { transform: translateY(-4px); border-color: #cfe0ee; box-shadow: var(--shadow-sm); }
.gift-top { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.gift-ico {
  width: 32px; height: 32px; border-radius: 9px; flex: none;
  display: grid; place-items: center; background: var(--accent-soft); color: #07795a;
}
.gift-ico svg { width: 16px; height: 16px; }
.gift h4 { font-size: .95rem; line-height: 1.45; }
.gift p { font-size: .82rem; color: var(--muted); line-height: 1.7; margin: 0; }
.gift-note {
  margin-top: 22px; padding: 18px 22px; border-radius: 14px;
  background: #fbfdff; border: 1px dashed #cfdcea;
  font-size: .87rem; color: var(--muted);
}
.gift-note strong { color: var(--ink); }

/* ------------------------- split feature ------------------------- */
.split { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.split.rev { grid-template-columns: 1.05fr .95fr; }
.feature-list { display: grid; gap: 14px; margin-top: 26px; }
.feature-item {
  display: flex; gap: 15px; padding: 18px 20px;
  border: 1px solid var(--line); border-radius: 14px; background: #fff;
  transition: border-color .3s, box-shadow .3s, transform .3s var(--ease);
}
.feature-item:hover { border-color: #c8dcec; box-shadow: var(--shadow-sm); transform: translateX(3px); }
.feature-item .fi {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  display: grid; place-items: center; background: var(--bg-tint); color: var(--ink);
}
.feature-item .fi svg { width: 18px; height: 18px; }
.feature-item h4 { margin-bottom: 4px; font-size: .98rem; }
.feature-item p { font-size: .86rem; color: var(--muted); margin: 0; line-height: 1.75; }

/* comparison panel */
.compare {
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  overflow: hidden; box-shadow: var(--shadow);
}
.compare-head { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.compare-head div { padding: 14px 20px; font-size: .8rem; font-weight: 700; letter-spacing: .06em; }
.compare-head div:first-child { color: var(--muted); background: #fafcff; }
.compare-head div:last-child { color: #067455; background: var(--accent-soft); }
.compare-row { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line-soft); }
.compare-row:last-child { border-bottom: 0; }
.compare-row div { padding: 16px 20px; font-size: .87rem; line-height: 1.7; }
.compare-row div:first-child { color: var(--muted); }
.compare-row div:last-child { color: var(--ink); font-weight: 500; background: #fbfefd; }
.compare-row div:last-child::before { content: "✓ "; color: var(--accent); font-weight: 700; }

/* ------------------------- industry ------------------------- */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.industry {
  position: relative; padding: 24px 22px 22px; border-radius: 15px;
  border: 1px solid var(--line); background: #fff; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.industry::after {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, #0a8f6b, #12b886);
  transition: width .38s var(--ease);
}
.industry:hover {
  background: #fff; border-color: rgba(10, 143, 107, .38);
  transform: translateY(-4px); box-shadow: 0 22px 44px -34px rgba(10, 143, 107, .7);
}
.industry:hover::after { width: 100%; }
.industry:active { transform: translateY(-1px) scale(.995); }
.industry:hover .ind-idx { color: rgba(10, 143, 107, .2); }
.industry:hover h4 { color: var(--accent); }
.industry .ind-idx {
  position: absolute; top: 12px; right: 16px;
  font-family: var(--font); font-size: 2.4rem; font-weight: 800;
  line-height: 1; letter-spacing: -.05em; color: #e9f0f9;
  font-variant-numeric: tabular-nums; transition: color .3s, transform .3s var(--ease);
  pointer-events: none;
}
.industry:hover .ind-idx { transform: translateY(-2px); }
.industry h4 { margin: 6px 0 8px; padding-right: 44px; font-size: 1rem; transition: color .3s; }
.industry p { font-size: .82rem; color: var(--muted); line-height: 1.7; margin: 0; transition: color .3s; }

/* ------------------------- process ------------------------- */
.steps { position: relative; display: grid; gap: 0; }
/* 连线由每个 step 自绘（原容器级 ::before 在移动端会随容器错位跑到内容上方） */
.step:not(:last-child)::before {
  content: ""; position: absolute; left: 27px; top: 58px; bottom: 10px; width: 1px;
  background: linear-gradient(180deg, #cfe6dc, #dbe6f2 70%, transparent);
}
.step { position: relative; display: grid; grid-template-columns: 56px 1fr; gap: 22px; padding-bottom: 30px; }
.step:last-child { padding-bottom: 0; }
.step-n {
  width: 56px; height: 56px; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-weight: 700; font-size: .95rem;
  background: #fff; border: 1px solid var(--line); color: var(--ink);
  box-shadow: 0 6px 16px -10px rgba(10, 36, 80, .5);
  position: relative; z-index: 1; transition: .3s var(--ease);
}
.step:hover .step-n { background: var(--ink); color: #fff; border-color: var(--ink); }
.step-body { padding-top: 6px; }
.step-body h4 { font-size: 1.05rem; margin-bottom: 6px; }
.step-body p { font-size: .9rem; color: var(--muted); margin: 0; line-height: 1.85; }

/* metrics */
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.metric { background: #fff; padding: 28px 24px; }
.metric .num { font-size: clamp(1.9rem, 3vw, 2.5rem); font-weight: 800; color: var(--ink); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.metric .num small { font-size: .95rem; font-weight: 600; color: var(--accent); margin-left: 2px; }
.metric .lb { font-size: .87rem; color: var(--muted); margin-top: 6px; }

/* coverage */
.coverage { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.coverage span {
  padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; font-size: .86rem; color: var(--ink-soft);
  transition: .25s;
}
.coverage span:hover { border-color: var(--accent); color: var(--accent); }
.coverage span.primary { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ------------------------- FAQ ------------------------- */
.faq-list { display: grid; gap: 10px; }
.faq-item { border: 1px solid var(--line); border-radius: 14px; background: #fff; overflow: hidden; transition: border-color .3s, box-shadow .3s; }
.faq-item[open] { border-color: #c6ddd4; box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 19px 54px 19px 22px;
  font-weight: 600; color: var(--ink); font-size: .97rem; position: relative;
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent); }
.faq-item summary::after {
  content: ""; position: absolute; right: 22px; top: 50%;
  width: 9px; height: 9px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: translateY(-70%) rotate(45deg); transition: transform .3s var(--ease);
  color: #98aabd;
}
.faq-item[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-a { padding: 0 22px 20px; font-size: .9rem; color: var(--body); line-height: 1.9; }
.faq-a p { margin: 0; }

/* ------------------------- CTA ------------------------- */
.cta-band { position: relative; overflow: hidden; background: var(--ink-deep); color: #cad9ea; }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(620px 320px at 85% 10%, rgba(18, 184, 134, .22), transparent 65%),
    radial-gradient(520px 300px at 10% 90%, rgba(29, 99, 237, .22), transparent 65%);
}
.cta-band::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000, transparent 75%);
}
.cta-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: center; padding: clamp(48px, 6vw, 76px) 0; }
.cta-inner h2 { color: #fff; margin-bottom: 14px; }
.cta-inner p { color: #a9c0d8; max-width: 600px; margin: 0; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; }
.cta-meta { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-top: 22px; font-size: .82rem; color: #8fa9c4; }
.cta-meta span { display: inline-flex; align-items: center; gap: 6px; }
.cta-meta svg { width: 14px; height: 14px; color: #66e0b8; }

/* ------------------------- footer ------------------------- */
.site-footer { background: var(--bg-soft); color: var(--body); border-top: 1px solid var(--line); font-size: .88rem; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding: clamp(44px, 5vw, 64px) 0 40px; }
.footer-brand .brand-name { color: var(--ink); }
.footer-brand .brand-sub { color: var(--muted); }
.footer-brand p { margin: 18px 0 0; font-size: .85rem; line-height: 1.85; color: var(--muted); max-width: 320px; }
.footer-col h4 { color: var(--ink); font-size: .84rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { font-size: .86rem; color: var(--body); transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: var(--accent); padding-left: 3px; }
.footer-contact li { display: flex; gap: 10px; font-size: .86rem; line-height: 1.7; color: var(--body); }
.footer-contact svg { width: 15px; height: 15px; flex: none; margin-top: 5px; color: var(--accent); }
.footer-contact strong { color: var(--ink); font-weight: 600; }
.friend-links {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px;
  padding: 20px 0; border-top: 1px solid var(--line);
  font-size: .8rem; color: var(--muted);
}
.friend-links b { font-weight: 600; color: var(--ink); letter-spacing: .04em; }
.friend-links a { color: var(--muted); transition: color .2s; }
.friend-links a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px 0 26px; display: flex; flex-wrap: wrap; gap: 10px 20px;
  align-items: center; justify-content: space-between;
  font-size: .78rem; color: var(--muted);
}
.footer-bottom a:hover { color: var(--accent); }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }

/* floating contact：单个微信图标 + 悬浮二维码 */
.float-contact {
  position: fixed; right: 22px; bottom: 22px; z-index: 80;
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
}
.fc-btn {
  width: 50px; height: 50px; border-radius: 14px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); display: grid; place-items: center;
  box-shadow: var(--shadow); cursor: pointer; transition: .25s var(--ease);
}
.fc-btn svg { width: 22px; height: 22px; }
.fc-btn:hover { background: var(--ink); color: #fff; transform: translateY(-3px); }
.fc-btn.accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.fc-btn.accent:hover { background: #07795a; }

.fc-wechat { position: relative; }
.fc-qr {
  position: absolute; right: 62px; bottom: 0;
  width: 192px; padding: 13px 13px 11px;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow-lg); text-align: center;
  opacity: 0; visibility: hidden; transform: translateX(8px) scale(.97);
  transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
}
.fc-qr::after {
  content: ""; position: absolute; right: -6px; bottom: 20px;
  width: 11px; height: 11px; background: #fff;
  border-right: 1px solid var(--line); border-top: 1px solid var(--line);
  transform: rotate(45deg);
}
.fc-qr img { width: 100%; height: auto; border-radius: 8px; }
.fc-qr b { display: block; margin-top: 9px; font-size: .82rem; color: var(--ink); }
.fc-qr span { display: block; font-size: .7rem; color: var(--muted); margin-top: 2px; }
.fc-wechat:hover .fc-qr,
.fc-wechat:focus-within .fc-qr,
.fc-wechat.show .fc-qr { opacity: 1; visibility: visible; transform: none; }
.fc-top { opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; }
.fc-top.show { opacity: 1; pointer-events: auto; }

/* ------------------------- mobile drawer ------------------------- */
body.drawer-open { overflow: hidden; }

.drawer-wrap {
  position: fixed; inset: 0; z-index: 190;
  overflow: hidden; pointer-events: none;
}
.drawer-mask {
  position: absolute; inset: 0;
  background: rgba(6, 24, 49, .48);
  backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .35s var(--ease), visibility .35s;
}
.drawer-wrap.open .drawer-mask { opacity: 1; visibility: visible; pointer-events: auto; }

.mobile-drawer {
  position: absolute; top: 0; right: 0;
  width: min(84vw, 336px); height: 100%; height: 100dvh;
  background: #fff; pointer-events: auto;
  transform: translateX(102%);
  transition: transform .4s var(--ease);
  display: flex; flex-direction: column;
  box-shadow: -24px 0 60px -34px rgba(10, 36, 80, .65);
}
.drawer-wrap.open .mobile-drawer { transform: none; }
.drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 16px 14px 20px;
  border-bottom: 1px solid var(--line-soft);
}
.drawer-close {
  width: 40px; height: 40px; border-radius: 11px; flex: none;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  display: grid; place-items: center; cursor: pointer;
  transition: background .25s, color .25s, border-color .25s;
}
.drawer-close:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.drawer-close svg { width: 17px; height: 17px; }
.drawer-nav { padding: 8px 12px; overflow-y: auto; flex: 1 1 auto; -webkit-overflow-scrolling: touch; }
.drawer-nav a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 12px; border-radius: 10px;
  font-size: .98rem; font-weight: 500; color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
  transition: background .2s, color .2s;
}
.drawer-nav li:last-child a { border-bottom: 0; }
.drawer-nav a:active, .drawer-nav a:hover { background: var(--bg-soft); }
.drawer-nav a.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.drawer-nav a svg { width: 15px; height: 15px; color: #b9c8d8; flex: none; }
.drawer-foot {
  padding: 16px 18px calc(18px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line); background: #fafcff;
}
.drawer-foot .df-phone {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.16rem; font-weight: 800; color: var(--ink);
  font-variant-numeric: tabular-nums; letter-spacing: -.01em;
}
.drawer-foot .df-phone svg { width: 16px; height: 16px; color: var(--accent); }
.drawer-foot .df-meta { font-size: .78rem; color: var(--muted); margin-top: 6px; line-height: 1.7; }
.drawer-foot .btn { width: 100%; margin-top: 14px; }

@media (min-width: 901px) {
  .drawer-wrap { display: none; }
}

/* ------------------------- page hero (inner pages) ------------------------- */
.page-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #f7fbff, #ffffff);
  border-bottom: 1px solid var(--line-soft);
  padding: clamp(48px, 6vw, 76px) 0 clamp(40px, 5vw, 62px);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 340px at 88% 0%, rgba(10, 143, 107, .1), transparent 65%);
}
.page-hero .wrap { position: relative; z-index: 1; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--muted); margin-bottom: 18px; }
.crumb a:hover { color: var(--accent); }
.crumb span { color: #c3cfdd; }
.page-hero h1 { font-size: clamp(1.85rem, 3.4vw, 2.7rem); max-width: 880px; }
.page-hero p { margin: 18px 0 0; max-width: 720px; color: var(--body); font-size: 1.02rem; line-height: 1.9; }

/* ------------------------- contact ------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 32px; align-items: start; }
.contact-cards { display: grid; gap: 14px; }
.ccard {
  display: flex; gap: 16px; padding: 22px; border: 1px solid var(--line);
  border-radius: 15px; background: #fff; transition: .3s var(--ease);
}
.ccard:hover { border-color: #c8dcec; box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.ccard .ci { width: 42px; height: 42px; border-radius: 12px; background: var(--bg-tint); display: grid; place-items: center; color: var(--ink); flex: none; }
.ccard .ci svg { width: 19px; height: 19px; }
.ccard .ck { font-size: .76rem; color: var(--muted); letter-spacing: .06em; margin-bottom: 4px; }
.ccard .cv { font-weight: 700; color: var(--ink); font-size: 1rem; word-break: break-all; }
.ccard .cv:hover { color: var(--accent); }
.ccard .cv small { display: block; font-weight: 400; font-size: .8rem; color: var(--muted); margin-top: 4px; }

.form-panel {
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: clamp(24px, 3vw, 36px); box-shadow: var(--shadow);
}
.form-panel h3 { margin-bottom: 6px; }
.form-panel > p { font-size: .88rem; color: var(--muted); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .82rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 7px; }
.field label i { color: #d9534f; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: .92rem; color: var(--ink);
  background: #fbfdff; border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; outline: none; transition: border-color .25s, box-shadow .25s, background .25s;
  appearance: none;
}
.field textarea { min-height: 110px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: #8ecdb8; background: #fff;
  box-shadow: 0 0 0 4px rgba(10, 143, 107, .1);
}
.field input::placeholder, .field textarea::placeholder { color: #a9b8c9; }
.form-note { font-size: .76rem; color: var(--muted); margin-top: 12px; line-height: 1.7; }
.form-ok {
  display: none; align-items: center; gap: 10px; padding: 13px 16px;
  border-radius: 10px; background: var(--accent-soft); color: #067455;
  font-size: .86rem; font-weight: 500; margin-top: 16px;
}
.form-ok.show { display: flex; }

/* info table */
.info-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.info-table th, .info-table td { text-align: left; padding: 15px 18px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.info-table th { width: 150px; color: var(--muted); font-weight: 500; background: #fafcff; }
.info-table td { color: var(--ink); }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }

.map-box {
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: #f2f7fb; position: relative; min-height: 260px;
  display: grid; place-items: center;
}
.map-box svg { width: 100%; height: 100%; position: absolute; inset: 0; }
.map-label {
  position: relative; z-index: 1; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 18px; text-align: center; box-shadow: var(--shadow);
  font-size: .86rem; color: var(--ink);
}
.map-label small { display: block; color: var(--muted); font-size: .76rem; margin-top: 4px; }

/* ------------------------- insights ------------------------- */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.article-card {
  display: flex; flex-direction: column; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; background: #fff;
  transition: .35s var(--ease);
}
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #cfdcea; }
.article-cover {
  height: 156px; position: relative; overflow: hidden;
  background: linear-gradient(140deg, #0a2450, #125c6d 60%, #0a8f6b);
}
.article-cover::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(circle at 70% 30%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 70% 30%, #000, transparent 70%);
}
.article-cover span {
  position: absolute; left: 20px; bottom: 16px; color: rgba(255, 255, 255, .85);
  font-family: var(--mono); font-size: .72rem; letter-spacing: .14em;
}
.article-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.article-meta { font-size: .75rem; color: var(--muted); display: flex; gap: 10px; margin-bottom: 10px; }
.article-body h3 { font-size: 1.05rem; line-height: 1.5; margin-bottom: 10px; }
.article-body h3 a:hover { color: var(--accent); }
.article-body p { font-size: .86rem; color: var(--muted); line-height: 1.8; margin-bottom: 18px; }
.article-body .link-arrow { margin-top: auto; font-size: .85rem; }

/* article page */
.prose { max-width: 780px; margin-inline: auto; font-size: 1.02rem; line-height: 1.95; color: #33495f; }
.prose > * + * { margin-top: 1.15em; }
.prose h2 { font-size: 1.5rem; margin-top: 2em; margin-bottom: .6em; padding-top: .2em; }
.prose h3 { font-size: 1.14rem; margin-top: 1.7em; margin-bottom: .4em; }
.prose p { margin: 0; }
.prose ul, .prose ol { padding-left: 1.25em; display: grid; gap: .5em; }
.prose ul { list-style: none; padding-left: 0; }
.prose ul li { position: relative; padding-left: 1.15em; }
.prose ul li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: #9fd6c4; }
.prose ol { list-style: decimal; }
.prose li::marker { color: var(--accent); font-weight: 700; }
.prose blockquote {
  margin: 1.6em 0; padding: 18px 22px; border-left: 3px solid var(--accent);
  background: #f6fbf9; border-radius: 0 12px 12px 0; color: var(--ink-soft); font-size: .96rem;
}
.prose table { width: 100%; border-collapse: collapse; font-size: .9rem; margin: 1.4em 0; }
.prose th, .prose td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; }
.prose th { background: #f7fafd; font-weight: 600; color: var(--ink); }
.prose strong { color: var(--ink); }
.prose .callout {
  padding: 18px 22px; background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 14px; font-size: .92rem;
}
.article-foot { max-width: 780px; margin: 48px auto 0; padding-top: 28px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }

/* ------------------------- reveal animation ------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

html.no-anim .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
html.no-anim { scroll-behavior: auto !important; }

/* ------------------------- responsive ------------------------- */
@media (max-width: 1080px) {
  .nav-menu { gap: 0; }
  .nav-menu > li > a { padding: 8px 10px; font-size: .9rem; }
  .nav-phone { display: none; }
  .grid-4, .gift-grid, .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 540px; }
  .cta-inner { grid-template-columns: 1fr; gap: 28px; }
  .cta-actions { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 900px) {
  /* 移动端取消 split 内 sticky，避免左侧栏悬浮遮挡内容 */
  .split > .reveal { position: static !important; top: auto !important; align-self: auto !important; }
  .topbar-left span.hide-sm { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu { display: none; }
  .nav-cta .btn { display: none; }
  .grid-3, .grid-2, .article-grid { grid-template-columns: 1fr; }
  .grid-4, .gift-grid, .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .split.rev { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .trust { padding: 16px 0 18px; }
  .trust-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .trust-item,
  .trust-item:first-child,
  .trust-item:last-child {
    padding: 15px 16px; background: var(--bg-soft);
    border: 1px solid var(--line-soft); border-radius: 12px;
  }
  .trust-item .k { font-size: .64rem; letter-spacing: .08em; margin-bottom: 6px; }
  .trust-item .v { font-size: .94rem; }
  .trust-item .v small { font-size: .74rem; margin-top: 2px; }
  .contact-grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr; }
  .compare-head, .compare-row { grid-template-columns: 1fr 1fr; }
  .compare-head div, .compare-row div { padding: 12px 14px; font-size: .82rem; }
  .page-hero h1 br { display: none; }
}

@media (max-width: 620px) {
  .wrap, .wrap-narrow { width: min(100% - 32px, 1200px); }
  .topbar .wrap { justify-content: center; }
  .topbar-left { gap: 8px; justify-content: center; font-size: .74rem; }
  .topbar-left .dot, .topbar-left .hide-xs { display: none; }
  .hero-badge { font-size: .74rem; }
  .hero-actions .btn { width: 100%; }
  .chat-body { min-height: 0; padding: 18px 16px 20px; gap: 12px; }
  .msg .bub { font-size: .82rem; padding: 10px 12px; }
  .chat-bar, .chat-foot { padding-left: 14px; padding-right: 14px; }
  .float-badge { padding: 9px 12px; font-size: .66rem; }
  .float-badge b { font-size: 1rem; }
  .float-badge.f1 { left: -6px; bottom: -20px; }
  .float-badge.f2 { right: -6px; top: -18px; }
  .hero-visual { max-width: 100%; }
  .grid-4, .gift-grid, .industry-grid { grid-template-columns: 1fr; }
  /* 手机端页脚：品牌通栏 + 两组链接并排 + 联系方式 2×2 紧凑排列 */
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 24px 20px;
    padding: 32px 0 24px;
  }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { margin-top: 12px; font-size: .82rem; line-height: 1.75; max-width: none; }
  .footer-col h4 { font-size: .74rem; margin-bottom: 10px; letter-spacing: .08em; }
  .footer-col ul { gap: 7px; }
  .footer-col a { font-size: .82rem; }
  .footer-col:nth-child(4) {
    grid-column: 1 / -1;
    padding-top: 18px;
    border-top: 1px solid var(--line);
  }
  .footer-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 14px; }
  .footer-contact li { font-size: .8rem; line-height: 1.6; }
  .footer-contact li:last-child { grid-column: 1 / -1; }
  .footer-contact svg { width: 14px; height: 14px; margin-top: 3px; }
  .footer-bottom { padding: 16px 0 22px; flex-direction: column; align-items: flex-start; gap: 8px; font-size: .74rem; }
  .footer-links { gap: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .step { grid-template-columns: 44px 1fr; gap: 16px; }
  .step-n { width: 44px; height: 44px; font-size: .85rem; }
  .step:not(:last-child)::before { left: 21px; top: 46px; }
  .float-contact { right: 14px; bottom: 14px; }
  .fc-btn { width: 46px; height: 46px; }
  .card { padding: 24px 22px; }
  .cta-actions .btn { width: 100%; }
  .info-table th { width: 110px; font-size: .82rem; padding: 12px; }
  .info-table td { padding: 12px; font-size: .86rem; }
}

/* =========================================================
   2026-10 内容合并：数据带 / 案例 / 报价
   ========================================================= */

/* ---------- 数据带 ---------- */
.stat-band {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, #071c38 0%, #0a2450 52%, #0b3050 100%);
  color: #b9cbe0;
  padding: clamp(52px, 6.4vw, 84px) 0;
}
.stat-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(760px 380px at 84% 6%, rgba(18, 184, 134, .2), transparent 66%);
  pointer-events: none;
}
.stat-band .wrap { position: relative; z-index: 1; }
.stat-head { max-width: 1000px; margin-bottom: clamp(30px, 4vw, 46px); }
.stat-head h2 { color: #fff; margin: 14px 0 14px; }
.stat-head p { color: #9db3cc; font-size: .95rem; margin: 0; }
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 18px; overflow: hidden;
}
.stat-item { background: rgba(8, 28, 55, .62); padding: 26px 22px 24px; }
.stat-item .num {
  font-size: clamp(1.75rem, 3vw, 2.35rem); font-weight: 800; color: #fff;
  letter-spacing: -.035em; line-height: 1.1; font-variant-numeric: tabular-nums;
}
.stat-item .num small { font-size: .9rem; font-weight: 600; color: #4fd8a8; margin-left: 3px; letter-spacing: 0; }
.stat-item .lb { font-size: .85rem; color: #9db3cc; margin-top: 8px; line-height: 1.6; }
.plat-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.plat-row span {
  padding: 6px 13px; border-radius: 999px; font-size: .78rem;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .06); color: #d3e2f2;
}
.plat-row span:first-child { color: #9fe8cd; border-color: rgba(79, 216, 168, .4); }

/* FAQ：恢复单列，优化展开态视觉 */
.faq-cols { max-width: 960px; }
.faq-item summary { transition: background .25s, color .2s; }
.faq-item[open] { border-color: #bfe3d5; box-shadow: 0 18px 44px -34px rgba(10, 143, 107, .55); }
.faq-item[open] > summary { background: var(--accent-soft); padding-bottom: 16px; }
.faq-item[open] summary::after { color: var(--accent); }
.faq-item[open] .faq-a { margin: 0 22px; padding: 16px 0 20px; border-top: 1px dashed rgba(10, 143, 107, .22); }
.stat-note { margin: 18px 0 0; font-size: .74rem; color: #7489a4; }

/* ---------- 效果案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #cfdcea; }
.case-tag {
  align-self: flex-start;
  font-family: var(--font); font-size: .74rem; font-weight: 600;
  letter-spacing: .03em; color: var(--accent); text-transform: none;
  background: var(--accent-soft); border: 1px solid rgba(10, 143, 107, .22);
  padding: 4px 13px; border-radius: 999px;
}
.case-card h3 { margin: 9px 0 10px; font-size: 1.04rem; }
.case-card > p { font-size: .87rem; color: var(--muted); margin: 0; }
.case-kpis {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  margin-top: auto; padding-top: 18px;
  border-top: 1px dashed var(--line);
}
.case-kpi b {
  display: block; font-size: 1.08rem; font-weight: 800; color: var(--ink);
  letter-spacing: -.02em; line-height: 1.25;
}
.case-kpi span { font-size: .72rem; color: var(--muted); display: block; margin-top: 3px; }
.case-meta { margin-top: 14px; font-size: .72rem; color: #8b9cb2; }
.case-note { margin-top: 22px; font-size: .78rem; color: var(--muted); }

/* ---------- 合作报价 ---------- */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px 26px;
}
.plan.featured { border-color: rgba(10, 143, 107, .55); box-shadow: 0 26px 64px -40px rgba(10, 143, 107, .8); }
.plan-flag {
  position: absolute; top: -13px; left: 26px;
  background: var(--accent); color: #fff; font-size: .7rem; font-weight: 600;
  padding: 4px 12px; border-radius: 999px; letter-spacing: .03em;
}
.plan h3 { font-size: 1.08rem; }
.plan-sub { font-size: .83rem; color: var(--muted); margin: 8px 0 18px; line-height: 1.6; min-height: 40px; }
.plan-price { font-size: 1.85rem; font-weight: 800; color: var(--ink); letter-spacing: -.035em; line-height: 1.1; }
.plan-price small { font-size: .78rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan-list { display: grid; gap: 9px; margin: 20px 0 24px; }
.plan-list li { display: flex; gap: 8px; font-size: .86rem; color: var(--body); line-height: 1.6; }
.plan-list li svg { width: 15px; height: 15px; flex: none; margin-top: 4px; color: var(--accent); }
.plan .btn { margin-top: auto; width: 100%; justify-content: center; }
.plan-note { margin-top: 24px; font-size: .78rem; color: var(--muted); max-width: 860px; }

@media (max-width: 900px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .case-grid, .plan-grid { grid-template-columns: 1fr; }
  .plan-sub { min-height: 0; }
}
@media (max-width: 560px) {
  .stat-item { padding: 20px 16px; }
  .stat-item .lb { font-size: .78rem; }
  .plat-row span { font-size: .72rem; padding: 5px 11px; }
  .case-card, .plan { padding: 22px 20px; }
}

@media (max-width: 620px) {
  /* 二维码弹层改为屏幕居中，避免遮挡侧边内容 */
  .fc-qr {
    position: fixed; left: 50%; right: auto; bottom: 92px;
    width: min(78vw, 260px); padding: 15px 15px 13px;
    transform: translate(-50%, 14px);
  }
  .fc-wechat:hover .fc-qr,
  .fc-wechat:focus-within .fc-qr,
  .fc-wechat.show .fc-qr { transform: translate(-50%, 0); }
  .fc-qr::after { display: none; }
  /* 展开时加浅遮罩，聚焦二维码 */
  body:has(.fc-wechat.show)::before {
    content: ""; position: fixed; inset: 0; z-index: 79;
    background: rgba(6, 24, 49, .42); backdrop-filter: blur(2px);
  }
  .friend-links { gap: 8px 14px; font-size: .75rem; padding: 16px 0; }
}

/* =========================================================
   全国 GEO 站点地图页
   ========================================================= */
.sm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sm-item {
  display: block; padding: 20px 22px; background: #fff;
  border: 1px solid var(--line); border-radius: 14px;
  transition: border-color .3s, box-shadow .3s, transform .3s var(--ease);
}
.sm-item:hover {
  border-color: rgba(10, 143, 107, .38); transform: translateY(-3px);
  box-shadow: 0 20px 40px -32px rgba(10, 143, 107, .7);
}
.sm-item b { display: block; font-size: .98rem; color: var(--ink); margin-bottom: 5px; }
.sm-item span { font-size: .82rem; color: var(--muted); line-height: 1.7; }

.city-group { margin-bottom: 26px; }
.city-group h4 {
  font-size: .82rem; letter-spacing: .1em; color: var(--muted);
  text-transform: uppercase; margin-bottom: 12px; font-weight: 600;
}
.city-grid { display: flex; flex-wrap: wrap; gap: 9px; }
.city-chip {
  padding: 8px 16px; border-radius: 100px; background: #fff;
  border: 1px solid var(--line); font-size: .86rem; color: var(--ink-soft);
  transition: color .25s, border-color .25s, transform .25s var(--ease), box-shadow .25s;
}
.city-chip:hover {
  color: var(--accent); border-color: rgba(10, 143, 107, .42);
  transform: translateY(-2px); box-shadow: 0 12px 24px -20px rgba(10, 143, 107, .8);
}
.city-chip.hot {
  background: var(--accent-soft); border-color: rgba(10, 143, 107, .38);
  color: var(--accent); font-weight: 600;
}

@media (max-width: 900px) {
  .sm-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .sm-grid { grid-template-columns: 1fr; }
  .city-chip { padding: 7px 13px; font-size: .8rem; }
  .topbar .wrap { gap: 10px; }
  .topbar-left { gap: 10px; }
  .sitemap-link { font-size: .72rem; padding: 4px 9px 4px 8px; gap: 5px; }
  .sitemap-link svg { width: 12px; height: 12px; }
}

/* 浅色页面（404）上的站点地图入口 */
.sitemap-link.light {
  border-color: var(--line); background: var(--bg-soft); color: var(--ink-soft);
}
.sitemap-link.light svg { color: var(--accent); }
.sitemap-link.light:hover {
  background: #fff; color: var(--ink); border-color: #cfdcea;
}

/* =========================================================
   全国站点地图 · 省市目录
   ========================================================= */
.sm-hero .eyebrow { margin-bottom: 18px; }
.sm-hero h1 { max-width: none; }
.sm-hero p { max-width: 760px; }

/* 省份直达 */
.geo-pj {
  display: flex; align-items: flex-start; gap: 16px;
  margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line);
}
.geo-pj-label {
  flex: none; padding-top: 5px; font-size: .72rem; font-weight: 700;
  letter-spacing: .12em; color: #93a5b9;
}
.geo-pj-list { display: flex; flex-wrap: wrap; gap: 7px; }
.geo-pj-list a {
  padding: 3px 11px; border-radius: 7px; font-size: .81rem; line-height: 1.6;
  color: var(--ink-soft); background: #fff; border: 1px solid var(--line);
  transition: color .2s, border-color .2s, background .2s, transform .2s var(--ease);
}
.geo-pj-list a:hover {
  color: var(--accent); border-color: rgba(10, 143, 107, .4);
  background: var(--accent-soft); transform: translateY(-1px);
}
.geo-pj-list a.is-hq {
  color: var(--accent); font-weight: 700;
  border-color: rgba(10, 143, 107, .35); background: var(--accent-soft);
}

/* 省市卡片：横向单行展开 */
.geo-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.gd-prov {
  display: grid; grid-template-columns: 208px minmax(0, 1fr); align-items: stretch;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.gd-prov:hover { border-color: #d3e0ec; box-shadow: 0 18px 40px -38px rgba(10, 36, 80, .8); }
.gd-prov.is-hq { border-color: rgba(10, 143, 107, .4); box-shadow: 0 18px 40px -38px rgba(10, 143, 107, .9); }
.gd-prov.is-muni { background: #fff; }
.gd-prov[hidden] { display: none; }

.gd-prov-head {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  gap: 3px; padding: 13px 18px; background: #f8fbfd;
  border-right: 1px solid var(--line-soft);
}
.gd-prov.is-hq .gd-prov-head { background: linear-gradient(120deg, #eefaf5, #f8fbfd); }
.gd-prov-title { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; min-width: 0; }
.gd-prov-title h3 { font-size: 1rem; letter-spacing: -.01em; }
.gd-hq {
  font-size: .62rem; font-weight: 700; color: var(--accent);
  background: var(--accent-soft); border: 1px solid rgba(10, 143, 107, .22);
  border-radius: 5px; padding: 2px 6px;
}
.gd-prov-meta { flex: none; }
.gd-prov-meta span { font-size: .72rem; color: var(--muted); }
.gd-prov-meta b { color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }

.gd-chips { display: flex; flex-wrap: wrap; align-content: center; gap: 7px; padding: 12px 18px; }
.gd-cty {
  display: inline-block; padding: 4px 11px; border-radius: 7px;
  font-size: .82rem; color: var(--ink-soft); line-height: 1.5;
  background: #f5f8fc; border: 1px solid transparent;
  transition: color .2s, background .2s, border-color .2s, transform .2s var(--ease);
}
.gd-cty:hover {
  color: var(--accent); background: var(--accent-soft);
  border-color: rgba(10, 143, 107, .3); transform: translateY(-1px);
}
.gd-cty[hidden] { display: none; }

/* 空状态 */
.geo-empty {
  padding: 44px 24px; text-align: center; background: #fff;
  border: 1px dashed #d6e2ee; border-radius: 16px;
}
.geo-empty b { display: block; color: var(--ink); font-size: 1rem; margin-bottom: 6px; }
.geo-empty p { margin: 0; font-size: .84rem; color: var(--muted); }

@media (max-width: 760px) {
  .gd-prov { grid-template-columns: 1fr; }
  .gd-prov-head {
    flex-direction: row; align-items: center; justify-content: space-between;
    padding: 12px 14px 10px; border-right: 0; border-bottom: 1px solid var(--line-soft);
  }
  .gd-prov-meta { margin-left: auto; }
  .gd-chips { padding: 11px 14px 13px; gap: 6px; }
}
@media (max-width: 620px) {
  .geo-pj { flex-direction: column; gap: 9px; margin-top: 22px; padding-top: 18px; }
  .geo-pj-label { padding-top: 0; }
  .geo-pj-list { gap: 6px; }
  .geo-pj-list a { font-size: .78rem; padding: 3px 9px; }
  .gd-prov-title h3 { font-size: .96rem; }
  .gd-cty { font-size: .78rem; padding: 4px 9px; }
}
