/* ==========================================================================
   中传创展 官网 · 设计系统
   China Cultural Media Group · 文旅创新执行平台
   ========================================================================== */

:root {
  /* 品牌色 */
  --red: #c8262c;
  --red-deep: #9a1a20;
  --red-dark: #6f1116;
  --red-tint: #fbeceb;
  --gold: #b89355;
  --gold-tint: #f6efe0;

  /* 中性 */
  --ink: #14171d;
  --ink-2: #2c313b;
  --ink-3: #4d545f;
  --muted: #767d8a;
  --line: #e5e0d8;
  --line-soft: #efebe4;
  --paper: #fbf9f6;
  --paper-2: #f4f1eb;
  --white: #ffffff;

  /* 状态色 */
  --ok: #1f8a4c;
  --warn: #c07a12;
  --info: #2a5fa8;

  /* 尺寸 */
  --w: 1180px;
  --r-sm: 6px;
  --r: 12px;
  --r-lg: 20px;
  --header-h: 76px;

  --shadow-sm: 0 1px 2px rgba(20, 23, 29, .05), 0 4px 14px rgba(20, 23, 29, .04);
  --shadow: 0 2px 6px rgba(20, 23, 29, .06), 0 16px 40px rgba(20, 23, 29, .07);
  --shadow-lg: 0 8px 24px rgba(20, 23, 29, .09), 0 32px 72px rgba(20, 23, 29, .10);

  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans SC", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  --font-num: "DIN Alternate", "Bebas Neue", "PingFang SC", system-ui, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink); font-weight: 700; line-height: 1.25; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; border-radius: 3px; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--w); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 880px; }
section { padding: 96px 0; }
section.tight { padding: 64px 0; }
.bg-paper { background: var(--paper); }
.bg-ink { background: var(--ink); color: #c9cdd6; }
.bg-ink h1, .bg-ink h2, .bg-ink h3 { color: #fff; }

/* ---------- Type ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .16em;
  color: var(--red); text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--red); }
.bg-ink .eyebrow { color: var(--gold); }
.bg-ink .eyebrow::before { background: var(--gold); }

.h-hero { font-size: clamp(30px, 4.4vw, 52px); line-height: 1.18; letter-spacing: -.02em; }
.h1 { font-size: clamp(27px, 3.2vw, 38px); line-height: 1.25; }
.h2 { font-size: clamp(22px, 2.3vw, 28px); }
.h3 { font-size: 19px; }
.lead { font-size: clamp(16px, 1.35vw, 18.5px); color: var(--ink-3); line-height: 1.85; }
.bg-ink .lead { color: #b9bfca; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.tiny { font-size: 12.5px; }
.center { text-align: center; }
.strong { font-weight: 600; color: var(--ink); }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }

.sec-head { max-width: 760px; margin-bottom: 52px; }
.sec-head.center { margin-left: auto; margin-right: auto; }
.sec-head .h1 { margin: 18px 0 16px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  height: var(--header-h);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(20, 23, 29, .07); }
.site-header .inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand .mark { width: 40px; height: 40px; flex-shrink: 0; }
.brand .txt { display: flex; flex-direction: column; line-height: 1.2; }
.brand .name { font-size: 18px; font-weight: 800; color: var(--ink); letter-spacing: .02em; }
.brand .sub { font-size: 10.5px; color: var(--muted); letter-spacing: .04em; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav > li { position: relative; }
.nav a.nl {
  display: block; padding: 10px 14px; font-size: 15px; font-weight: 500; color: var(--ink-3);
  border-radius: var(--r-sm); transition: color .18s, background .18s;
}
.nav a.nl:hover { color: var(--red); background: var(--red-tint); }
.nav a.nl.active { color: var(--red); font-weight: 600; }
.nav .caret { font-size: 9px; margin-left: 4px; opacity: .55; }

.dropdown {
  position: absolute; top: calc(100% + 8px); left: -8px; min-width: 268px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(-6px); transition: all .2s ease;
}
.nav > li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a {
  display: flex; gap: 10px; align-items: flex-start; padding: 9px 12px;
  border-radius: var(--r-sm); font-size: 14px; color: var(--ink-2); transition: background .15s;
}
.dropdown a:hover { background: var(--paper-2); }
.dropdown a b { font-weight: 600; color: var(--ink); display: block; }
.dropdown a span { font-size: 12px; color: var(--muted); display: block; margin-top: 1px; }
.dropdown .dd-ico { color: var(--red); font-size: 15px; margin-top: 2px; }

.header-cta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff;
  border-radius: var(--r-sm); align-items: center; justify-content: center; cursor: pointer; }
.burger span { display: block; width: 18px; height: 2px; background: var(--ink); position: relative; }
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--ink); }
.burger span::before { top: -6px; } .burger span::after { top: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--r-sm); border: 1px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: transform .16s ease, box-shadow .2s ease, background .2s, color .2s, border-color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 6px 18px rgba(200, 38, 44, .22); }
.btn-primary:hover { background: var(--red-deep); box-shadow: 0 10px 26px rgba(200, 38, 44, .3); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--red); color: var(--red); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #a3823f; }
.btn-line-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .38); }
.btn-line-light:hover { border-color: #fff; background: rgba(255, 255, 255, .1); }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-lg { padding: 15px 30px; font-size: 16px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

.arrow-link { display: inline-flex; align-items: center; gap: 6px; color: var(--red); font-weight: 600; font-size: 14.5px; }
.arrow-link:hover { gap: 10px; }
.arrow-link::after { content: "→"; transition: transform .2s; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 0; background: var(--paper); }
.hero .inner { display: grid; grid-template-columns: 1.06fr .94fr; gap: 60px; align-items: center;
  padding: 84px 0 88px; position: relative; z-index: 2; }
.hero .h-hero { margin: 20px 0 22px; }
.hero .h-hero em { font-style: normal; color: var(--red); }
.hero .lead { max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-actions .btn { min-width: 178px; }
.hero-note { margin-top: 22px; font-size: 13.5px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.hero-note::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }

.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; }

.hero-strip {
  position: relative; z-index: 2; border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, .6); backdrop-filter: blur(6px);
}
.hero-strip ul { display: grid; grid-template-columns: repeat(4, 1fr); }
.hero-strip li { padding: 20px 22px; border-right: 1px solid var(--line-soft); }
.hero-strip li:last-child { border-right: 0; }
.hero-strip .k { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.hero-strip .v { font-size: 16.5px; font-weight: 700; color: var(--ink); }

.hero-glow {
  position: absolute; width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 38, 44, .10) 0%, rgba(200, 38, 44, 0) 66%);
  top: -240px; left: -180px; pointer-events: none;
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px),
                    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 20%, transparent 78%);
}

/* ---------- Split (B端/C端分流) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.split-card {
  position: relative; overflow: hidden; border-radius: var(--r-lg); padding: 40px 38px 34px;
  border: 1px solid var(--line); background: #fff; transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
}
.split-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.split-card .tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .1em;
  padding: 5px 11px; border-radius: 100px; margin-bottom: 20px;
}
.split-card.side-b { background: linear-gradient(160deg, #fff 0%, #fdf6f5 100%); }
.split-card.side-b .tag { background: var(--red-tint); color: var(--red-deep); }
.split-card.side-c { background: linear-gradient(160deg, #fff 0%, #f8f5ee 100%); }
.split-card.side-c .tag { background: var(--gold-tint); color: #8a6a24; }
.split-card h3 { font-size: 23px; margin-bottom: 12px; }
.split-card p { color: var(--ink-3); font-size: 15.3px; }
.split-card .pts { margin: 22px 0 26px; display: grid; gap: 10px; }
.split-card .pts li { display: flex; gap: 10px; font-size: 14.6px; color: var(--ink-2); }
.split-card .pts li::before { content: "—"; color: var(--red); font-weight: 700; flex-shrink: 0; }
.split-card.side-c .pts li::before { color: var(--gold); }
.split-card .ghost-num {
  position: absolute; right: 20px; top: 6px; font-family: var(--font-num);
  font-size: 110px; font-weight: 800; color: rgba(20, 23, 29, .035); line-height: 1; pointer-events: none;
}

/* ---------- Business grid ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.biz-card {
  position: relative; padding: 30px 28px 26px; border-radius: var(--r); background: #fff;
  border: 1px solid var(--line); transition: all .25s ease; overflow: hidden;
}
.biz-card::after {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--red);
  transition: width .3s ease;
}
.biz-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.biz-card:hover::after { width: 100%; }
.biz-card .ico {
  width: 46px; height: 46px; border-radius: 11px; background: var(--red-tint); color: var(--red);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.biz-card .idx { position: absolute; right: 24px; top: 26px; font-family: var(--font-num);
  font-size: 30px; font-weight: 800; color: var(--line); line-height: 1; }
.biz-card h3 { font-size: 18px; margin-bottom: 10px; }
.biz-card .role { font-size: 14.4px; color: var(--ink-3); }
.biz-card .rel {
  margin-top: 16px; padding-top: 15px; border-top: 1px dashed var(--line);
  font-size: 13.4px; color: var(--muted);
}
.biz-card .rel b { color: var(--ink-3); font-weight: 600; }
.biz-card.span-2 { grid-column: span 2; }

/* ---------- Matrix / 集团资源 ---------- */
.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.matrix-item {
  display: flex; gap: 16px; padding: 22px 24px; border-radius: var(--r);
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
}
.matrix-item .mk {
  width: 40px; height: 40px; border-radius: 9px; flex-shrink: 0;
  background: rgba(184, 147, 85, .16); color: var(--gold);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 15px;
}
.matrix-item b { display: block; color: #fff; font-size: 15.5px; margin-bottom: 3px; }
.matrix-item span { font-size: 13.6px; color: #a8aebb; }

.duty-bar {
  margin-top: 34px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: center;
  padding: 26px 30px; border-radius: var(--r); background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
}
.duty-bar .col b { display: block; color: var(--gold); font-size: 13px; letter-spacing: .1em; margin-bottom: 6px; }
.duty-bar .col span { color: #c9cdd6; font-size: 15px; }
.duty-bar .sep { color: var(--gold); font-size: 22px; }

/* ---------- Platform cards ---------- */
.plat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.plat-card {
  border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); background: #fff;
  display: flex; flex-direction: column; transition: all .25s;
}
.plat-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.plat-visual { height: 176px; position: relative; overflow: hidden; }
.plat-visual.pv-1 { background: linear-gradient(135deg, #9a1a20 0%, #c8262c 55%, #e0814f 100%); }
.plat-visual.pv-2 { background: linear-gradient(135deg, #2a2f3a 0%, #4a4256 55%, #b89355 100%); }
.plat-visual .pv-label {
  position: absolute; left: 24px; bottom: 20px; color: #fff; font-size: 12.5px;
  letter-spacing: .18em; opacity: .85;
}
.plat-visual .pv-mark {
  position: absolute; right: -20px; top: -24px; font-size: 150px; font-weight: 800;
  color: rgba(255, 255, 255, .09); font-family: var(--font-num); line-height: 1;
}
.plat-visual .pv-lines { position: absolute; inset: 0; opacity: .3;
  background-image: linear-gradient(rgba(255,255,255,.35) 1px, transparent 1px);
  background-size: 100% 26px; }
.plat-body { padding: 28px 28px 30px; flex: 1; display: flex; flex-direction: column; }
.plat-body h3 { font-size: 20px; margin-bottom: 10px; }
.plat-body p { font-size: 14.6px; color: var(--ink-3); flex: 1; }
.plat-body .meta { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 12.5px; padding: 5px 11px; border-radius: 100px;
  background: var(--paper-2); color: var(--ink-3);
}

/* ---------- Feature list ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 32px; }
.feat { display: flex; gap: 14px; align-items: flex-start; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.feat .tick {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; margin-top: 4px;
  background: var(--red-tint); color: var(--red); display: flex; align-items: center;
  justify-content: center; font-size: 12px; font-weight: 700;
}
.feat b { display: block; font-size: 15.5px; color: var(--ink); margin-bottom: 2px; }
.feat span { font-size: 13.8px; color: var(--muted); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: s; }
.step { position: relative; padding: 0 26px 0 0; }
.step::before {
  counter-increment: s; content: "0" counter(s);
  font-family: var(--font-num); font-size: 34px; font-weight: 800; color: var(--red);
  display: block; margin-bottom: 14px; line-height: 1;
}
.step::after {
  content: ""; position: absolute; top: 18px; right: 20px; left: 56px; height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}
.step:last-child::after { display: none; }
.step h4 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }

/* ---------- Table ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
table.data { min-width: 760px; font-size: 14.6px; }
table.data thead th {
  background: var(--ink); color: #fff; text-align: left; padding: 15px 20px;
  font-weight: 600; font-size: 14px; letter-spacing: .03em; white-space: nowrap;
}
table.data td { padding: 17px 20px; border-bottom: 1px solid var(--line-soft); vertical-align: top; color: var(--ink-3); }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover td { background: var(--paper); }
table.data td.k { font-weight: 600; color: var(--ink); white-space: nowrap; }

/* ---------- Cases ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 34px; }
.filter-btn {
  padding: 8px 17px; border-radius: 100px; border: 1px solid var(--line); background: #fff;
  font-size: 14px; color: var(--ink-3); cursor: pointer; transition: all .18s;
}
.filter-btn:hover { border-color: var(--red); color: var(--red); }
.filter-btn.active { background: var(--ink); border-color: var(--ink); color: #fff; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card {
  border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: #fff;
  display: flex; flex-direction: column; transition: all .25s;
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.case-card .cv { height: 128px; position: relative; }
.case-card .cv .cat {
  position: absolute; left: 16px; bottom: 14px; font-size: 11.5px; letter-spacing: .12em;
  color: #fff; opacity: .9;
}
.case-card .cb { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.case-card h4 { font-size: 16.5px; margin-bottom: 8px; }
.case-card p { font-size: 14px; color: var(--muted); flex: 1; }
.case-card .tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 22px 4px; cursor: pointer; font-size: 16.5px; font-weight: 600; color: var(--ink);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .pm { color: var(--red); font-size: 20px; flex-shrink: 0; transition: transform .2s; font-weight: 400; }
.faq details[open] summary .pm { transform: rotate(45deg); }
.faq .ans { padding: 0 4px 24px; font-size: 14.8px; color: var(--ink-3); max-width: 900px; }

/* ---------- Forms ---------- */
.form-shell { display: grid; grid-template-columns: 1.42fr .78fr; gap: 44px; align-items: start; }
.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 40px 42px; box-shadow: var(--shadow-sm);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field label .req { color: var(--red); margin-left: 3px; }
.field .hint { font-size: 12.5px; color: var(--muted); font-weight: 400; }
.field input[type="text"], .field input[type="tel"], .field input[type="email"],
.field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r-sm);
  background: var(--white); font-size: 15px; transition: border-color .18s, box-shadow .18s;
}
.field textarea { min-height: 108px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(200, 38, 44, .1);
}
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23767d8a' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px;
}
.field.err input, .field.err select, .field.err textarea { border-color: var(--red); background: #fffafa; }
.field .msg { font-size: 12.5px; color: var(--red); display: none; }
.field.err .msg { display: block; }

.check-row { display: flex; align-items: flex-start; gap: 10px; font-size: 13.8px; color: var(--ink-3); }
.check-row input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--red); flex-shrink: 0; }
.check-row a { color: var(--red); text-decoration: underline; }

.form-foot { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.form-foot .tip { font-size: 13px; color: var(--muted); text-align: center; }

/* 分段选择 */
.seg { display: flex; gap: 10px; flex-wrap: wrap; }
.seg label {
  display: flex; align-items: center; gap: 8px; padding: 10px 16px; border: 1px solid var(--line);
  border-radius: var(--r-sm); cursor: pointer; font-size: 14.4px; font-weight: 500;
  color: var(--ink-3); transition: all .18s; background: #fff;
}
.seg input { display: none; }
.seg label:hover { border-color: var(--red); }
.seg input:checked + span { color: var(--red); font-weight: 600; }
.seg label:has(input:checked) { border-color: var(--red); background: var(--red-tint); box-shadow: 0 0 0 1px var(--red) inset; }

/* 成功态 */
.form-success { text-align: center; padding: 26px 10px 10px; display: none; }
.form-success.show { display: block; }
.form-success .ok-ico {
  width: 62px; height: 62px; border-radius: 50%; background: #e9f6ee; color: var(--ok);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 28px;
}
.form-success h3 { font-size: 21px; margin-bottom: 10px; }
.form-success p { color: var(--ink-3); font-size: 15px; }
.ticket {
  margin: 22px auto 14px; display: inline-block; padding: 14px 26px; border-radius: var(--r-sm);
  background: var(--paper-2); border: 1px dashed var(--line);
  font-family: var(--font-num); font-size: 21px; font-weight: 700; color: var(--red-deep); letter-spacing: .06em;
}
.form-alert {
  display: none; margin-bottom: 20px; padding: 13px 17px; border-radius: var(--r-sm);
  background: #fdecea; border: 1px solid #f5c6c1; color: #93261f; font-size: 14px;
}
.form-alert.show { display: block; }

/* 侧栏 */
.side-box {
  border: 1px solid var(--line); border-radius: var(--r); background: var(--paper);
  padding: 26px 26px; margin-bottom: 18px;
}
.side-box h4 { font-size: 15.5px; margin-bottom: 12px; }
.side-box p, .side-box li { font-size: 14px; color: var(--ink-3); }
.side-box ul { display: grid; gap: 11px; }
.side-box li { display: flex; gap: 10px; }
.side-box li::before { content: "·"; color: var(--red); font-weight: 800; }
.side-box .kv { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.side-box .kv:last-child { border-bottom: 0; }
.side-box .kv span:first-child { color: var(--muted); }
.side-box .kv span:last-child { color: var(--ink); font-weight: 600; text-align: right; }
.side-box.dark { background: var(--ink); border-color: var(--ink); }
.side-box.dark h4 { color: #fff; }
.side-box.dark p, .side-box.dark li { color: #b9bfca; }
.side-box.dark li::before { color: var(--gold); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-card { padding: 30px 28px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.contact-card .ico {
  width: 44px; height: 44px; border-radius: 10px; background: var(--red-tint); color: var(--red);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.contact-card h4 { font-size: 16px; margin-bottom: 8px; }
.contact-card p { font-size: 14.4px; color: var(--ink-3); }
.contact-card .val { font-size: 17px; font-weight: 700; color: var(--ink); margin-top: 10px; letter-spacing: .01em; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--red-dark) 0%, var(--red) 58%, #d9542f 100%);
  color: #fff; position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; inset: 0; opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 70% 100% at 20% 50%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 20% 50%, #000, transparent 75%);
}
.cta-band .inner { position: relative; z-index: 2; display: flex; align-items: center;
  justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: clamp(22px, 2.6vw, 30px); }
.cta-band p { color: rgba(255, 255, 255, .86); margin-top: 10px; font-size: 15.4px; }
.cta-band .acts { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-band .btn-white { background: #fff; color: var(--red-deep); }
.cta-band .btn-white:hover { background: #fff5f4; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #a8aebb; padding: 68px 0 0; font-size: 14.2px; }
.foot-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 44px; padding-bottom: 46px; }
.foot-brand .brand .name { color: #fff; }
.foot-brand .brand .sub { color: #7d8492; }
.foot-brand p { margin-top: 20px; color: #8f96a3; font-size: 13.6px; line-height: 1.85; max-width: 320px; }
.foot-col h5 { color: #fff; font-size: 14.5px; margin-bottom: 18px; font-weight: 600; }
.foot-col ul { display: grid; gap: 11px; }
.foot-col a { color: #a8aebb; font-size: 13.8px; transition: color .18s; }
.foot-col a:hover { color: var(--gold); }
.foot-col .fi { display: flex; gap: 10px; font-size: 13.8px; color: #8f96a3; }
.foot-col .fi b { color: #c9cdd6; font-weight: 500; }
.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, .09); padding: 22px 0 30px;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 12.8px; color: #7d8492;
}
.foot-bottom a { color: #7d8492; }
.foot-bottom a:hover { color: #c9cdd6; }

/* ---------- Floating CTA ---------- */
.floating {
  position: fixed; right: 22px; bottom: 26px; z-index: 80; display: flex; flex-direction: column; gap: 10px;
}
.floating a, .floating button {
  width: 54px; height: 54px; border-radius: 50%; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center; position: relative;
  background: #fff; color: var(--ink); box-shadow: 0 6px 22px rgba(20, 23, 29, .18);
  transition: transform .2s;
}
.floating a:hover, .floating button:hover { transform: scale(1.07); }
.floating .f-main { background: var(--red); color: #fff; }
.floating .f-main .badge {
  position: absolute; top: -2px; right: -2px; background: var(--gold); color: #fff;
  font-size: 11px; font-weight: 700; border-radius: 100px; padding: 2px 7px; border: 2px solid #fff;
}
.float-tip {
  position: absolute; right: 64px; top: 50%; transform: translateY(-50%);
  background: var(--ink); color: #fff; font-size: 12.8px; padding: 7px 12px;
  border-radius: var(--r-sm); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .2s;
}
.floating a:hover .float-tip, .floating button:hover .float-tip { opacity: 1; }
.back-top { position: fixed; right: 22px; bottom: 26px; opacity: 0; visibility: hidden; }

/* ---------- Reveal animation ---------- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .6s cubic-bezier(.22,.9,.3,1), transform .6s cubic-bezier(.22,.9,.3,1); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* ---------- Breadcrumb / page head ---------- */
.page-head { background: var(--paper); border-bottom: 1px solid var(--line); padding: 62px 0 54px; }
.page-head .crumb { font-size: 13.4px; color: var(--muted); margin-bottom: 16px; }
.page-head .crumb a:hover { color: var(--red); }
.page-head .crumb i { font-style: normal; margin: 0 8px; color: var(--line); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: start; }
.quote-box {
  border-left: 3px solid var(--red); padding: 4px 0 4px 24px; margin: 8px 0 0;
  font-size: 17px; line-height: 1.85; color: var(--ink); font-weight: 500;
}
.fact-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.fact-list .row { display: flex; justify-content: space-between; gap: 20px; padding: 16px 2px;
  border-bottom: 1px solid var(--line); font-size: 14.8px; }
.fact-list .row span:first-child { color: var(--muted); }
.fact-list .row span:last-child { color: var(--ink); font-weight: 600; text-align: right; }

.org-tree { margin-top: 12px; }
.org-row { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-radius: var(--r);
  border: 1px solid var(--line); background: #fff; margin-bottom: 12px; }
.org-row .lv { font-size: 11.5px; letter-spacing: .1em; color: var(--muted); min-width: 52px; }
.org-row b { font-size: 15.4px; }
.org-row.hl { border-color: var(--red); background: var(--red-tint); box-shadow: 0 0 0 1px var(--red) inset; }
.org-row.hl .lv { color: var(--red); }
.org-conn { width: 2px; height: 16px; background: var(--line); margin-left: 42px; }

/* ---------- 后台 ---------- */
.admin-body { background: var(--paper); min-height: 100vh; }
.admin-login { max-width: 400px; margin: 0 auto; padding: 100px 0; }
.admin-shell { display: none; }
.admin-shell.show { display: block; }
.admin-head { background: #fff; border-bottom: 1px solid var(--line); padding: 18px 0; }
.admin-head .inner { display: flex; align-items: center; gap: 16px; }
.admin-head .spacer { margin-left: auto; }
.kpi-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin: 26px 0; }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; }
.kpi .k { font-size: 12.8px; color: var(--muted); margin-bottom: 6px; }
.kpi .v { font-family: var(--font-num); font-size: 27px; font-weight: 700; color: var(--ink); line-height: 1.1; }
.kpi.hl .v { color: var(--red); }
.admin-tools { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.admin-tools input[type="search"] {
  padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--r-sm);
  min-width: 240px; background: #fff; font-size: 14.6px;
}
.admin-tools select { padding: 10px 36px 10px 14px; border: 1px solid var(--line);
  border-radius: var(--r-sm); background: #fff; appearance: none; cursor: pointer; font-size: 14.6px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23767d8a' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; }
.admin-table-wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
table.admin-table { font-size: 13.8px; min-width: 980px; }
table.admin-table thead th { background: var(--paper-2); text-align: left; padding: 13px 16px;
  font-size: 12.8px; color: var(--ink-3); font-weight: 600; white-space: nowrap; border-bottom: 1px solid var(--line); }
table.admin-table td { padding: 14px 16px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
table.admin-table tbody tr:hover td { background: var(--paper); }
table.admin-table .no { font-family: var(--font-num); font-weight: 600; color: var(--ink); }
table.admin-table .org { font-weight: 600; color: var(--ink); }
table.admin-table .desc { max-width: 260px; color: var(--muted); font-size: 13.2px; }
.badge-side { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 3px 9px; border-radius: 4px; }
.badge-side.b { background: var(--red-tint); color: var(--red-deep); }
.badge-side.c { background: var(--gold-tint); color: #8a6a24; }
.st-select { font-size: 12.8px; padding: 5px 26px 5px 9px; border-radius: 5px; border: 1px solid var(--line);
  background: #fff; cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23767d8a' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center; }
.st-select.s-new { border-color: #eab308; background-color: #fefce8; color: #854d0e; }
.st-select.s-following { border-color: #93c5fd; background-color: #eff6ff; color: #1e40af; }
.st-select.s-won { border-color: #86efac; background-color: #f0fdf4; color: #166534; }
.st-select.s-lost { border-color: #d1d5db; background-color: #f9fafb; color: #6b7280; }
.empty-state { padding: 70px 20px; text-align: center; color: var(--muted); }
.empty-state b { display: block; color: var(--ink-3); font-size: 16px; margin-bottom: 6px; }
.detail-row td { background: var(--paper) !important; }
.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 34px; padding: 6px 2px 12px; font-size: 13.6px; }
.detail-grid div span:first-child { color: var(--muted); display: inline-block; min-width: 84px; }
.detail-grid div span:last-child { color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .biz-grid, .case-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-card.span-2 { grid-column: span 2; }
  .kpi-row { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 34px 0; }
  .step:nth-child(2)::after { display: none; }
}
@media (max-width: 920px) {
  section { padding: 68px 0; }
  .hero .inner { grid-template-columns: 1fr; gap: 44px; padding: 56px 0 62px; }
  .hero-art { max-width: 520px; }
  .hero-strip ul { grid-template-columns: repeat(2, 1fr); }
  .hero-strip li:nth-child(2) { border-right: 0; }
  .hero-strip li:nth-child(1), .hero-strip li:nth-child(2) { border-bottom: 1px solid var(--line-soft); }
  .split, .matrix, .plat-grid, .feat-grid, .about-grid, .form-shell { grid-template-columns: 1fr; }
  .duty-bar { grid-template-columns: 1fr; gap: 14px; padding: 22px 24px; }
  .duty-bar .sep { transform: rotate(90deg); justify-self: start; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .form-card { padding: 30px 26px; }
  .admin-shell.show .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .nav, .header-cta .btn-ghost { display: none; }
  .burger { display: flex; margin-left: auto; }
  .site-header.open .nav {
    display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    position: absolute; top: var(--header-h); left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); padding: 14px 20px 20px; box-shadow: var(--shadow);
  }
  .site-header.open .nav .dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; padding: 0 0 8px 12px; min-width: 0;
  }
  .site-header.open .nav a.nl { padding: 12px 10px; }
  .header-cta { display: none; }
}
@media (max-width: 620px) {
  .wrap { padding: 0 18px; }
  .biz-grid, .case-grid, .contact-grid, .feat-grid, .hero-strip ul { grid-template-columns: 1fr; }
  .biz-card.span-2 { grid-column: span 1; }
  .steps { grid-template-columns: 1fr; gap: 30px 0; }
  .step::after { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .hero-strip li { border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .floating { right: 14px; bottom: 18px; }
  .floating a, .floating button { width: 48px; height: 48px; }
  .cta-band .inner { flex-direction: column; align-items: flex-start; }
  .brand .sub { display: none; }
}

/* ==========================================================================
   补充：下拉菜单 / 移动端导航 / 浮动按钮 / 后台
   ========================================================================== */

/* 下拉菜单文字层级 */
.dropdown a > span { display: block; font-size: inherit; color: inherit; margin-top: 0; }
.dropdown a b { display: block; font-size: 14px; font-weight: 600; color: var(--ink); }
.dropdown a em { display: block; font-style: normal; font-size: 12px; color: var(--muted); margin-top: 1px; }
.dropdown a .dd-ico { font-style: normal; color: var(--red); font-size: 13px; line-height: 1.7; }

/* 移动端导航里的 CTA */
.nav-mobile-cta { display: none; }
@media (max-width: 920px) {
  .site-header.open .nav-mobile-cta { display: block; margin-top: 6px; }
}

/* 浮动按钮：回到顶部 */
.floating .f-top {
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .25s ease, visibility .25s ease, transform .25s ease;
}
.floating .f-top.show { opacity: 1; visibility: visible; transform: none; }

/* 后台 */
.admin-shell { background: var(--paper); min-height: 100vh; }
.admin-shell .brand .name { font-size: 16px; }
.admin-head .name { font-size: 16px; font-weight: 700; color: var(--ink); }
.admin-table-wrap { overflow-x: auto; }
table.admin-table tbody tr { cursor: pointer; }
table.admin-table tbody tr.detail-row { cursor: default; }
.st-select { max-width: 108px; }