/* ============================================================
   壶启AI · 公司官网  共享样式
   设计体系：崂山蓝金道家体系（与壶启ZAI小程序 V3 一致）
   ============================================================ */
:root {
  --ink: #1E293B;
  --ink2: #475569;
  --aux: #94A3B8;
  --primary: #133A4F;
  --primary2: #25638A;
  --blue-line: #DDEAF7;
  --gold: #C9A45C;
  --gold-deep: #B8934C;
  --gold-line: rgba(201, 164, 92, .38);
  --seal: #B23A2E;
  --paper: #F7F3EA;
  --tint: #FCFAF4;
  --card: #FFFFFF;
  --divider: #E2DDD0;
  --radius-l: 28px;
  --radius-m: 20px;
  --radius-s: 14px;
  --shadow-card: 0 4px 12px rgba(19, 58, 79, .05);
  --shadow-lift: 0 18px 40px rgba(19, 58, 79, .12);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 5vw; }

h1, h2, h3, .serif { font-family: var(--serif); }

/* ===== 顶栏 ===== */
.site-head {
  position: sticky; top: 0; z-index: 60;
  background: rgba(247, 243, 234, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--divider);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 13px 5vw; gap: 18px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand .mark { height: 44px; width: auto; flex: none; display: block; }
.brand .name { font-family: var(--serif); font-weight: 700; font-size: 19px; letter-spacing: 3px; color: var(--primary); line-height: 1.2; }
.brand .sub { display: block; font-family: var(--sans); font-size: 10.5px; letter-spacing: 2.5px; color: var(--aux); font-weight: 400; }
nav.links { display: flex; align-items: center; gap: 26px; }
nav.links a {
  color: var(--ink2); text-decoration: none; font-size: 14.5px; letter-spacing: 1px;
  padding: 6px 0; border-bottom: 2px solid transparent; transition: all .2s;
}
nav.links a:hover { color: var(--primary2); }
nav.links a.on { color: var(--primary); font-weight: 600; border-bottom-color: var(--gold); }
nav.links a.cta {
  background: linear-gradient(135deg, #D4AF61, #B8934C);
  color: #FFF9E8; padding: 9px 22px; border-radius: 999px; font-weight: 600;
  border: 1px solid rgba(255, 249, 232, .5); box-shadow: 0 6px 16px rgba(184, 147, 76, .3);
}
nav.links a.cta:hover { transform: translateY(-1px); color: #FFF9E8; }
.nav-toggle { display: none; background: none; border: 1px solid var(--gold-line); border-radius: 10px; width: 42px; height: 38px; cursor: pointer; color: var(--primary); font-size: 18px; }
@media (max-width: 900px) {
  nav.links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--divider);
    padding: 8px 5vw 16px; box-shadow: 0 18px 30px rgba(19, 58, 79, .1);
  }
  nav.links.open { display: flex; }
  nav.links a { padding: 12px 4px; border-bottom: 1px dashed var(--divider); }
  nav.links a.cta { margin-top: 12px; text-align: center; border-bottom: none; }
  .nav-toggle { display: grid; place-items: center; }
  .nav { position: relative; }
}

/* ===== 页头 hero（山水蓝金） ===== */
.hero {
  position: relative; overflow: hidden; color: #F5EFDC;
  background: linear-gradient(180deg, var(--primary), var(--primary2));
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='750' height='340' viewBox='0 0 750 340' preserveAspectRatio='xMidYMax slice'%3E%3Cdefs%3E%3ClinearGradient id='sky' x1='0' x2='0' y1='0' y2='1'%3E%3Cstop offset='0' stop-color='%23133A4F'/%3E%3Cstop offset='.55' stop-color='%2325658A'/%3E%3Cstop offset='1' stop-color='%232E6E64'/%3E%3C/linearGradient%3E%3ClinearGradient id='fade' x1='0' x2='0' y1='0' y2='1'%3E%3Cstop offset='0' stop-color='%23F7F3EA' stop-opacity='0'/%3E%3Cstop offset='1' stop-color='%23F7F3EA' stop-opacity='.96'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='750' height='340' fill='url(%23sky)'/%3E%3Cpath d='M0 214 Q95 128 190 198 T375 170 T560 202 T750 174 V340 H0 Z' fill='%239FBFB4' opacity='.4'/%3E%3Cpath d='M0 240 Q130 156 260 230 T520 216 T750 242 V340 H0 Z' fill='%232E6E64' opacity='.72'/%3E%3Cpath d='M0 268 Q170 196 340 260 T750 254 V340 H0 Z' fill='%231F4E45' opacity='.94'/%3E%3Cg stroke='%23C9A45C' fill='none' stroke-width='2.4' opacity='.5' stroke-linecap='round'%3E%3Cpath d='M92 76 q16 -12 32 0'/%3E%3Cpath d='M146 98 q13 -10 26 0'/%3E%3Cpath d='M556 62 q18 -13 36 0'/%3E%3Cpath d='M612 86 q14 -10 28 0'/%3E%3Cpath d='M66 132 q14 -10 28 0'/%3E%3C/g%3E%3Ccircle cx='648' cy='52' r='7' fill='%23C9A45C' opacity='.55'/%3E%3Ccircle cx='648' cy='52' r='15' fill='none' stroke='%23C9A45C' opacity='.28'/%3E%3Crect y='252' width='750' height='88' fill='url(%23fade)'/%3E%3C/svg%3E");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center bottom;
}
.hero-inner { max-width: 1180px; margin: 0 auto; padding: 10vh 5vw 13vh; position: relative; z-index: 1; }
.hero .kicker {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid rgba(201, 164, 92, .5); border-radius: 999px;
  padding: 6px 18px; font-size: 13px; letter-spacing: 3px; color: #E8D9B0;
  background: rgba(19, 58, 79, .35); margin-bottom: 26px;
}
.hero .kicker i { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.hero h1 { font-size: clamp(30px, 3.8vw, 50px); font-weight: 700; line-height: 1.32; letter-spacing: .04em; }
.hero h1 em { font-style: normal; color: #E8C97E; }
.hero .lead { color: rgba(245, 239, 220, .82); font-size: 16.5px; margin-top: 22px; max-width: 640px; }
.hero .actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero .crumbs { font-size: 13px; letter-spacing: 2px; color: rgba(245, 239, 220, .65); margin-bottom: 18px; }
/* ===== 崂山插画头图变体（产品页） ===== */
.hero--pic {
  background-image:
    linear-gradient(180deg, rgba(14, 26, 38, .55), rgba(14, 26, 38, .22) 40%, rgba(247, 243, 234, 0) 78%),
    url("hero-laoshan.jpg");
  background-size: 100% 100%, cover;
  background-position: center, center 82%;
}
.hero--pic .hero-inner { padding: 8vh 5vw 13vh; }
.hero--pic h1, .hero--pic .lead, .hero--pic .crumbs, .hero--pic .kicker {
  text-shadow: 0 2px 16px rgba(14, 26, 38, .5);
}
.hero--pic .btn-ghost-light { background: rgba(19, 58, 79, .55); border-color: rgba(245, 239, 220, .75); }



/* 印章 */
.seal {
  position: absolute; top: 34px; right: 5vw; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 9px;
  background: var(--seal); color: #FFF8E8;
  box-shadow: 0 4px 12px rgba(19, 58, 79, .35);
  border: 1.5px solid rgba(255, 248, 232, .5);
}
.seal .zh { font-family: var(--serif); font-size: 17px; font-weight: 700; letter-spacing: 2px; line-height: 1.15; }
.seal .en { font-size: 9.5px; letter-spacing: 3px; opacity: .92; font-family: var(--serif); }
@media (max-width: 720px) { .seal { width: 46px; height: 46px; top: 22px; } .seal .zh { font-size: 14px; } }

/* ===== 按钮 ===== */
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 12px;
  text-decoration: none; font-size: 15px; font-weight: 600;
  transition: all .2s; text-align: center; cursor: pointer; letter-spacing: 1px;
}
.btn-gold {
  background: linear-gradient(135deg, #D4AF61, #B8934C); color: #FFF9E8;
  box-shadow: 0 6px 16px rgba(184, 147, 76, .35); border: 1px solid rgba(255, 249, 232, .5);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(184, 147, 76, .42); }
.btn-seal {
  background: var(--seal); color: #FFF8E8;
  box-shadow: 0 6px 16px rgba(178, 58, 46, .35); border: 1px solid rgba(255, 248, 232, .5);
}
.btn-seal:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(178, 58, 46, .45); }
.btn-ghost-light { border: 1px solid rgba(245, 239, 220, .55); color: #F5EFDC; background: rgba(19, 58, 79, .18); }
.btn-ghost-light:hover { border-color: var(--gold); color: #E8C97E; }
.btn-ghost { border: 1px solid var(--gold-line); color: var(--primary); background: transparent; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-deep); }
.btn-primary-deep { background: var(--primary2); color: #fff; }
.btn-primary-deep:hover { background: var(--primary); transform: translateY(-1px); }

/* ===== 通用 section ===== */
section.band { padding: 9vh 0; border-bottom: 1px solid var(--divider); }
section.band:last-of-type { border-bottom: none; }
.band.tint { background: var(--tint); }
.sec-head { text-align: center; margin-bottom: 52px; }
.sec-head .k { color: var(--gold-deep); font-size: 13px; letter-spacing: 6px; margin-bottom: 12px; font-family: var(--serif); }
.sec-head h2 { font-size: clamp(25px, 3vw, 36px); letter-spacing: 2px; color: var(--primary); }
.sec-head .rule {
  width: 72px; height: 3px; margin: 18px auto 0; border-radius: 2px;
  background: linear-gradient(90deg, var(--gold), var(--seal));
}
.sec-head p { color: var(--ink2); margin-top: 14px; font-size: 15px; }

/* ===== 卡片网格 ===== */
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 980px) { .grid4 { grid-template-columns: repeat(2, 1fr); } .grid3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid4, .grid3, .grid2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--blue-line);
  border-radius: var(--radius-m); padding: 30px 26px;
  box-shadow: var(--shadow-card); transition: all .22s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); border-color: var(--gold-line); }
.card .ico {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 18px;
  background: linear-gradient(150deg, var(--primary), var(--primary2));
  color: #F5EFDC; display: grid; place-items: center;
  font-family: var(--serif); font-size: 22px; font-weight: 700;
}
.card .ico.gold { background: linear-gradient(150deg, #D4AF61, #B8934C); color: #FFF9E8; }
.card .ico.red { background: linear-gradient(150deg, #B23A2E, #8E3226); color: #FFF8E8; }
.card h3 { font-size: 17.5px; margin-bottom: 9px; letter-spacing: 1px; color: var(--primary); }
.card p { color: var(--ink2); font-size: 13.8px; }
.card .tagline { display: inline-block; font-size: 12px; color: var(--gold-deep); border: 1px solid var(--gold-line); border-radius: 999px; padding: 2px 12px; margin-bottom: 12px; letter-spacing: 1px; }
.card .price-note { margin-top: 14px; font-size: 13px; color: var(--gold-deep); font-weight: 600; font-family: var(--serif); letter-spacing: 1px; }

/* ===== 数字统计 ===== */
.stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stats div b { font-family: var(--serif); font-size: 24px; display: block; color: #E8C97E; letter-spacing: 1px; }
.stats div span { color: rgba(245, 239, 220, .66); font-size: 12.5px; letter-spacing: 1px; }

/* ===== 深色段（山水夜色） ===== */
.band-deep {
  position: relative; overflow: hidden; color: #EDE7DA;
  background: linear-gradient(160deg, #0E141A, #133A4F);
}
.band-deep .sec-head h2 { color: #F5EFDC; }
.band-deep .sec-head .k { color: var(--gold); }
.band-deep .sec-head p { color: rgba(237, 231, 218, .66); }

/* ===== 定价卡 ===== */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 980px; margin: 0 auto; }
@media (max-width: 900px) { .pricing { grid-template-columns: 1fr; max-width: 460px; } }
.plan {
  background: var(--card); border: 1px solid var(--blue-line); border-radius: 18px;
  padding: 34px 30px; text-align: center; position: relative; display: flex; flex-direction: column;
  box-shadow: var(--shadow-card);
}
.plan.hot { border: 2px solid var(--gold); }
.plan .badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #D4AF61, #B8934C); color: #FFF9E8;
  font-size: 12px; padding: 3px 16px; border-radius: 999px; letter-spacing: 2px; white-space: nowrap;
}
.plan h3 { font-size: 16px; letter-spacing: 3px; color: var(--ink2); font-family: var(--sans); }
.plan .price { font-size: 42px; font-weight: 800; margin: 14px 0 2px; color: var(--primary); font-family: var(--serif); }
.plan .price small { font-size: 14px; color: var(--aux); font-weight: 400; }
.plan .strike { color: var(--aux); font-size: 14px; text-decoration: line-through; margin-bottom: 14px; }
.plan ul { list-style: none; margin: 16px 0 24px; text-align: left; flex: 1; }
.plan li { font-size: 13.5px; padding: 7px 0; border-bottom: 1px dashed var(--divider); color: var(--ink2); }
.plan li::before { content: "✓ "; color: var(--gold-deep); font-weight: 700; }
.plan .note { margin-top: 14px; font-size: 12px; color: var(--aux); }

/* ===== 管道 / 步骤 ===== */
.pipe { display: flex; align-items: stretch; flex-wrap: wrap; justify-content: center; }
.pipe .node {
  background: var(--card); border: 1px solid var(--blue-line); border-radius: var(--radius-s);
  padding: 22px 18px; width: 198px; text-align: center; box-shadow: var(--shadow-card);
}
.pipe .node b { display: block; font-size: 15px; margin-bottom: 6px; color: var(--primary); letter-spacing: 1px; }
.pipe .node span { color: var(--ink2); font-size: 12.5px; }
.pipe .arr { display: grid; place-items: center; padding: 0 12px; color: var(--gold-deep); font-size: 22px; }
@media (max-width: 960px) { .pipe .arr { transform: rotate(90deg); padding: 6px 0; } }

/* ===== FAQ ===== */
.faq { max-width: 780px; margin: 0 auto; }
details { background: var(--card); border: 1px solid var(--blue-line); border-radius: 12px; margin-bottom: 12px; overflow: hidden; }
summary {
  cursor: pointer; padding: 18px 24px; font-size: 15.5px; font-weight: 600;
  list-style: none; display: flex; justify-content: space-between; align-items: center;
  color: var(--primary); letter-spacing: .5px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--gold-deep); font-size: 20px; font-weight: 400; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details .a { padding: 0 24px 20px; color: var(--ink2); font-size: 14px; }

/* ===== 手机模型 ===== */
.phone-wrap { display: flex; justify-content: center; }
.phone {
  width: min(320px, 84vw); background: #0E141A; border-radius: 40px; padding: 12px;
  box-shadow: 0 30px 60px rgba(14, 20, 26, .35); border: 1px solid #1E2A36;
}
.screen { background: var(--paper); border-radius: 30px; overflow: hidden; }
.s-bar { padding: 12px 18px 6px; display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--aux); }
.s-hero {
  position: relative; margin: 4px 10px 0; border-radius: 16px 16px 0 0; padding: 16px 14px 26px;
  background: linear-gradient(165deg, var(--primary), var(--primary2) 60%, #2E6E64);
  color: #F5EFDC; overflow: hidden;
}
.s-hero .s-seal {
  position: absolute; top: 10px; right: 10px; width: 34px; height: 34px; border-radius: 6px;
  background: var(--seal); color: #FFF8E8; display: grid; place-items: center;
  font-family: var(--serif); font-size: 12px; font-weight: 700; line-height: 1.1; text-align: center;
  border: 1px solid rgba(255, 248, 232, .5);
}
.s-hero .s-kicker { font-size: 10px; letter-spacing: 2.5px; color: #E8D9B0; }
.s-hero .s-title { font-family: var(--serif); font-size: 19px; font-weight: 700; letter-spacing: 2px; margin-top: 4px; }
.s-hero .s-sub { font-size: 10.5px; color: rgba(245, 239, 220, .7); margin-top: 2px; }
.s-hero .s-date { display: inline-block; margin-top: 8px; font-size: 10px; border: 1px solid rgba(201, 164, 92, .5); border-radius: 999px; padding: 2px 10px; color: #E8D9B0; }
.s-body { margin: 0 10px; background: var(--paper); padding: 10px 10px 14px; }
.s-tabs { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.s-tabs span { font-size: 10.5px; padding: 3px 11px; border-radius: 999px; background: #EDE7DA; color: var(--ink2); }
.s-tabs span.on { background: var(--primary); color: #F5EFDC; }
.s-card { background: #fff; border: 1px solid var(--blue-line); border-radius: 12px; padding: 11px 13px; margin-bottom: 8px; box-shadow: 0 3px 8px rgba(19, 58, 79, .05); }
.s-card .pill { display: inline-block; font-size: 9.5px; color: var(--gold-deep); border: 1px solid var(--gold-line); border-radius: 999px; padding: 0 8px; margin-bottom: 5px; }
.s-card b { font-size: 12.5px; display: block; margin-bottom: 3px; color: var(--ink); }
.s-card p { font-size: 10.5px; color: var(--aux); }
.s-float {
  margin: 2px 10px 10px; display: flex; justify-content: space-between; align-items: center;
  border: 1px solid var(--gold-line); background: rgba(255, 255, 255, .95);
  border-radius: 999px; padding: 6px 8px 6px 14px; font-size: 10px; color: var(--ink2);
  box-shadow: 0 6px 14px rgba(19, 58, 79, .12);
}
.s-float .go {
  background: linear-gradient(135deg, #D4AF61, #B8934C); color: #FFF9E8;
  border-radius: 999px; padding: 5px 16px; font-size: 10.5px; font-weight: 600; letter-spacing: 2px;
}
.s-nav { display: flex; justify-content: space-around; padding: 10px 0 16px; border-top: 1px solid var(--divider); font-size: 10px; color: var(--aux); margin: 0 10px; }
.s-nav span.on { color: var(--primary2); font-weight: 700; }

/* ===== 小程序码 CTA ===== */
.cta-band {
  background: linear-gradient(160deg, #0E141A, #133A4F);
  color: var(--paper); border-radius: 26px;
  margin: 8vh auto; max-width: 1180px; padding: 9vh 6vw;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 5vw; align-items: center;
  border: 1px solid rgba(201, 164, 92, .3);
}
@media (max-width: 860px) { .cta-band { grid-template-columns: 1fr; text-align: center; } .qr-box { margin: 0 auto; } }
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.4; color: #F5EFDC; }
.cta-band p { color: rgba(247, 243, 234, .62); margin: 14px 0 30px; font-size: 15px; }
.cta-band .btn { background: linear-gradient(135deg, #D4AF61, #B8934C); color: #FFF9E8; }
.qr-box {
  width: 196px; height: 196px; border: 2px dashed rgba(201, 164, 92, .55); border-radius: 18px;
  display: grid; place-items: center; text-align: center;
  color: rgba(237, 231, 218, .6); font-size: 13px; letter-spacing: 2px; padding: 18px; line-height: 2;
  background: rgba(255, 255, 255, .03);
}

/* ===== 页脚 ===== */
footer.site-foot { background: #0E141A; color: #C4BCA9; }
.foot-main {
  max-width: 1180px; margin: 0 auto; padding: 56px 5vw 30px;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px;
}
@media (max-width: 780px) { .foot-main { grid-template-columns: 1fr; gap: 28px; } }
.foot-brand .f-name { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 20px; font-weight: 700; color: #F5EFDC; letter-spacing: 3px; margin-bottom: 14px; }
.foot-brand .f-name .mark { height: 42px; width: auto; display: block; }
.foot-brand p { font-size: 13px; line-height: 2; color: #8D8676; }
.foot-col h4 { color: #F5EFDC; font-size: 14px; letter-spacing: 3px; margin-bottom: 16px; font-family: var(--serif); }
.foot-col a, .foot-col span { display: block; color: #8D8676; text-decoration: none; font-size: 13px; padding: 5px 0; }
.foot-col a:hover { color: var(--gold); }
.foot-bottom { border-top: 1px solid rgba(201, 164, 92, .18); }
.foot-inner { max-width: 1180px; margin: 0 auto; padding: 18px 5vw 26px; text-align: center; }
.foot-quote { font-family: var(--serif); letter-spacing: 4px; font-size: 12.5px; color: #8D8676; margin-bottom: 8px; }
.foot-inner .icp { font-size: 12px; color: #6B655A; }
.foot-inner .icp a { color: inherit; text-decoration: none; }
.foot-inner .icp a.ga img { height: 14px; width: auto; vertical-align: -2px; margin-right: 4px; }

/* ===== 双列布局（图文左右） ===== */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 5vw; align-items: center; }
.split.rev { grid-template-columns: 1fr 1.05fr; }
@media (max-width: 920px) { .split, .split.rev { grid-template-columns: 1fr; } }
.split h2 { font-size: clamp(24px, 2.8vw, 34px); color: var(--primary); letter-spacing: 1px; line-height: 1.4; }
.split .k { color: var(--gold-deep); font-size: 13px; letter-spacing: 5px; margin-bottom: 12px; font-family: var(--serif); }
.split p { color: var(--ink2); margin-top: 16px; font-size: 14.5px; }

/* ===== 列表（对勾条目） ===== */
.ticks { list-style: none; margin-top: 20px; }
.ticks li { padding: 9px 0 9px 30px; position: relative; color: var(--ink2); font-size: 14.5px; border-bottom: 1px dashed var(--divider); }
.ticks li::before {
  content: "✓"; position: absolute; left: 2px; top: 9px;
  width: 20px; height: 20px; border-radius: 50%; background: rgba(201, 164, 92, .15);
  color: var(--gold-deep); font-size: 12px; display: grid; place-items: center; font-weight: 700;
}

/* ===== 金线小节标题（沿小程序 hq3-sec） ===== */
.hq-sec {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
  color: var(--primary); font-size: 16px; font-weight: 600; letter-spacing: 3px; font-family: var(--serif);
}
.hq-sec::before { content: ""; width: 4px; height: 22px; border-radius: 2px; background: linear-gradient(180deg, var(--gold), var(--seal)); }
.hq-sec::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--gold-line), transparent); }

/* ===== 大事签 / 编号卡 ===== */
.num-card { position: relative; }
.num-card .no {
  position: absolute; top: 18px; right: 22px; font-family: var(--serif);
  font-size: 34px; font-weight: 700; color: rgba(201, 164, 92, .25); line-height: 1;
}

/* ===== 首屏双栏（首页专用） ===== */
@media (max-width: 920px) {
  #homeGrid { grid-template-columns: 1fr !important; gap: 48px !important; }
  .hero-inner { padding-top: 7vh; }
}

/* ===== 联系页窄容器管道 ===== */
.pipe-tight { justify-content: flex-start; }
.pipe-tight .node { width: 158px; padding: 18px 12px; }
.pipe-tight .arr { padding: 0 6px; }

/* ===== 滚动浮现 ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ===== 客服浮窗 ===== */
.cs-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%; border: 1px solid rgba(255, 249, 232, .5);
  background: linear-gradient(135deg, #D4AF61, #B8934C); color: #FFF9E8;
  font-size: 20px; font-family: var(--serif); font-weight: 700;
  box-shadow: 0 8px 20px rgba(184, 147, 76, .4); cursor: pointer; transition: transform .2s;
}
.cs-fab:hover { transform: translateY(-3px); }
.cs-pop {
  position: fixed; right: 22px; bottom: 92px; z-index: 91;
  width: 252px; background: var(--card); border: 1px solid var(--gold-line);
  border-radius: 16px; padding: 22px 20px 18px; text-align: center;
  box-shadow: 0 18px 44px rgba(19, 58, 79, .22);
}
.cs-pop[hidden] { display: none; }
.cs-close { position: absolute; top: 8px; right: 12px; background: none; border: none; font-size: 18px; color: var(--aux); cursor: pointer; }
.cs-title { font-family: var(--serif); font-weight: 700; color: var(--primary); letter-spacing: 2px; margin-bottom: 12px; }
.cs-qr {
  width: 150px; height: 150px; margin: 0 auto 12px; border: 2px dashed var(--gold-line);
  border-radius: 12px; display: grid; place-items: center; color: var(--aux);
  font-size: 12px; line-height: 1.9; padding: 10px; background: var(--tint);
}
.cs-wx { font-size: 12.5px; color: var(--ink2); margin-bottom: 10px; }
.cs-wx b { color: var(--primary); letter-spacing: .5px; }
.cs-copy {
  display: inline-block; background: linear-gradient(135deg, #D4AF61, #B8934C); color: #FFF9E8;
  border: 1px solid rgba(255, 249, 232, .5); border-radius: 999px; padding: 7px 24px;
  font-size: 13px; font-weight: 600; letter-spacing: 2px; cursor: pointer;
}
.cs-tip { font-size: 11.5px; color: var(--aux); margin-top: 10px; line-height: 1.8; }
@media (max-width: 620px) {
  .cs-fab { right: 16px; bottom: 16px; width: 50px; height: 50px; }
  .cs-pop { right: 12px; left: 12px; width: auto; }
}

/* ===== 留资表单 ===== */
.lead-form { padding: 34px 32px; }
.lead-form label { display: block; font-size: 13.5px; color: var(--ink2); margin-bottom: 14px; letter-spacing: 1px; }
.lead-form input, .lead-form select, .lead-form textarea {
  display: block; width: 100%; margin-top: 6px; padding: 11px 14px;
  border: 1px solid var(--blue-line); border-radius: 12px; background: #fff;
  font-family: var(--sans); font-size: 14.5px; color: var(--ink); outline: none;
  transition: border-color .2s;
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { border-color: var(--gold); }
.lead-form textarea { resize: vertical; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .f-row { grid-template-columns: 1fr; } }
.lead-form .btn { margin-top: 6px; width: 100%; border: none; cursor: pointer; }
.f-note { margin-top: 12px; font-size: 12px; color: var(--aux); text-align: center; }
.f-msg { margin-top: 14px; padding: 10px 14px; border-radius: 10px; font-size: 13.5px; text-align: center; }
.f-msg.ok { background: rgba(46, 110, 100, .12); color: #1F4E45; }
.f-msg.err { background: rgba(178, 58, 46, .1); color: var(--seal); }
.f-msg[hidden] { display: none; }