/* ==========================================================================
   杭州智盾信息技术有限公司 · 官网样式表
   设计基调：东方茶韵 × 数字科技
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --tea-950: #10241d;
  --tea-900: #16352a;
  --tea-800: #1f4a3a;
  --tea-700: #2a6249;
  --tea-600: #35795a;
  --matcha: #7fa86a;
  --matcha-soft: #a8c894;
  --gold: #c2a15a;
  --gold-soft: #e3d3ad;
  --cream: #f8f5ee;
  --cream-2: #f1ece0;
  --paper: #ffffff;
  --ink: #1b1e1c;
  --ink-2: #4a534d;
  --ink-3: #7b847e;
  --line: rgba(31, 74, 58, 0.12);

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --radius-xl: 34px;

  --shadow-s: 0 2px 10px rgba(16, 36, 29, 0.05);
  --shadow-m: 0 12px 34px rgba(16, 36, 29, 0.09);
  --shadow-l: 0 26px 70px rgba(16, 36, 29, 0.14);

  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei",
    "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC",
    "STSong", "SimSun", Georgia, serif;
}

/* ---------- 基础重置 ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 700; }
p { margin: 0; }

::selection { background: var(--tea-700); color: #fff; }

/* ---------- 通用布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 108px 0; position: relative; }
.section--tight { padding: 78px 0; }
.section--cream { background: var(--cream-2); }
.section--paper { background: var(--paper); }
.section--dark {
  background: var(--tea-950);
  color: rgba(255, 255, 255, 0.82);
}
.section--dark h2, .section--dark h3 { color: #fff; }

/* 标题组 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tea-700);
  font-weight: 600;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
}
.section--dark .eyebrow { color: var(--gold-soft); }
.section--dark .eyebrow::before { background: var(--gold); }

.s-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.6vw, 42px);
  letter-spacing: 0.02em;
  color: var(--tea-950);
}
.section--dark .s-title { color: #fff; }

.s-desc {
  margin-top: 18px;
  max-width: 640px;
  color: var(--ink-2);
  font-size: 16px;
}
.section--dark .s-desc { color: rgba(255, 255, 255, 0.65); }

.s-head { margin-bottom: 54px; }
.s-head--center { text-align: center; }
.s-head--center .s-desc { margin-left: auto; margin-right: auto; }
.s-head--center .eyebrow { justify-content: center; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--primary {
  background: var(--tea-800);
  color: #fff;
  box-shadow: 0 10px 26px rgba(31, 74, 58, 0.25);
}
.btn--primary:hover {
  background: var(--tea-700);
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(31, 74, 58, 0.3);
}
.btn--ghost {
  border-color: rgba(31, 74, 58, 0.25);
  color: var(--tea-900);
  background: transparent;
}
.btn--ghost:hover { border-color: var(--tea-800); background: rgba(31, 74, 58, 0.05); }
.btn--gold { background: var(--gold); color: #221c08; }
.btn--gold:hover { background: #d0b06b; transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--tea-900); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow-m); }
.btn--outline-light {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}
.btn--outline-light:hover { background: rgba(255, 255, 255, 0.1); }

/* ---------- 顶部导航 ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: all 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}
.header__inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.header.is-stuck {
  background: rgba(248, 245, 238, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
}
.header.is-stuck .header__inner { height: 66px; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark {
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 11px;
  background: linear-gradient(150deg, var(--tea-700), var(--tea-950));
  display: grid;
  place-items: center;
  box-shadow: 0 6px 16px rgba(16, 36, 29, 0.22);
}
.logo__mark svg { width: 22px; height: 22px; }
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__cn {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--tea-950);
  letter-spacing: 0.06em;
}
.logo__en {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: 34px; }
.nav a {
  font-size: 15px;
  color: var(--ink-2);
  position: relative;
  padding: 6px 0;
  transition: color 0.25s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.3s var(--ease);
}
.nav a:hover, .nav a.is-active { color: var(--tea-900); font-weight: 600; }
.nav a:hover::after, .nav a.is-active::after { width: 100%; }

.header__cta { display: flex; align-items: center; gap: 14px; }
.header__tel {
  font-size: 14px;
  color: var(--tea-800);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 7px;
}
.header__tel svg { width: 15px; height: 15px; }

.burger {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.6);
  border-radius: 11px;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.burger span {
  position: absolute;
  left: 50%; transform: translateX(-50%);
  width: 18px; height: 2px;
  background: var(--tea-900);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 26px; }
.burger.is-open span:nth-child(1) { top: 20px; transform: translateX(-50%) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { top: 20px; transform: translateX(-50%) rotate(-45deg); }

.mnav {
  position: fixed;
  top: 78px; left: 0; right: 0;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
  padding: 12px 24px 26px;
  transform: translateY(-14px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease);
  z-index: 99;
  box-shadow: var(--shadow-m);
}
.mnav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
.mnav a {
  display: block;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  color: var(--tea-900);
}
.mnav .btn { width: 100%; margin-top: 18px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 168px 0 96px;
  overflow: hidden;
  background:
    radial-gradient(1100px 620px at 88% -8%, rgba(127, 168, 106, 0.22), transparent 62%),
    radial-gradient(760px 520px at 4% 12%, rgba(194, 161, 90, 0.14), transparent 60%),
    var(--cream);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 8px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--tea-800);
  margin-bottom: 26px;
  box-shadow: var(--shadow-s);
}
.hero__tag b {
  background: var(--tea-800);
  color: #fff;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.24;
  letter-spacing: 0.02em;
  color: var(--tea-950);
}
.hero h1 em {
  font-style: normal;
  position: relative;
  color: var(--tea-700);
}
.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 6px;
  height: 10px;
  background: linear-gradient(90deg, rgba(194,161,90,0.45), rgba(127,168,106,0.28));
  border-radius: 4px;
  z-index: -1;
}
.hero__sub {
  margin-top: 26px;
  font-size: 17px;
  color: var(--ink-2);
  max-width: 540px;
}
.hero__btns { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__meta {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  max-width: 560px;
}
.hero__meta dt {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--tea-800);
  line-height: 1.1;
}
.hero__meta dt .u { font-size: 17px; margin-left: 2px; color: var(--gold); }
.hero__meta dd { margin: 6px 0 0; font-size: 13.5px; color: var(--ink-3); }

/* Hero 视觉 */
.hero__visual { position: relative; height: 520px; }
.hero__blob {
  position: absolute;
  inset: 6% 2% 10% 6%;
  background: linear-gradient(155deg, var(--tea-800), var(--tea-950) 70%);
  border-radius: 46% 54% 52% 48% / 50% 44% 56% 50%;
  box-shadow: var(--shadow-l);
  overflow: hidden;
}
.hero__blob::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.7;
}
.hero__leaf {
  position: absolute;
  width: 190px;
  right: 8%;
  top: 16%;
  opacity: 0.5;
  animation: float 7s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(-4deg); }
}

.card-float {
  position: absolute;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-l);
  padding: 16px 18px;
  animation: float 6s ease-in-out infinite;
}
.card-float--brand { top: 8%; left: -2%; width: 216px; }
.card-float--shop { bottom: 6%; right: -2%; width: 234px; animation-delay: 1.1s; }
.card-float--data { bottom: 40%; right: 6%; width: 176px; animation-delay: 2.2s; }

.cf__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.cf__title { font-size: 14.5px; font-weight: 700; color: var(--tea-950); }
.swatches { display: flex; gap: 6px; margin-top: 12px; }
.swatches i {
  width: 26px; height: 26px; border-radius: 7px; display: block;
}
.sku {
  display: flex; align-items: center; gap: 11px; margin-top: 10px;
}
.sku__img {
  width: 44px; height: 44px; border-radius: 9px; flex: none;
  background: linear-gradient(140deg, var(--matcha-soft), var(--tea-600));
}
.sku__name { font-size: 13px; font-weight: 600; color: var(--ink); }
.sku__price { font-size: 12.5px; color: #c0392b; font-weight: 700; }
.sku__btn {
  margin-top: 12px;
  background: var(--tea-800);
  color: #fff;
  font-size: 12px;
  text-align: center;
  padding: 8px;
  border-radius: 8px;
  font-weight: 600;
}
.bars { display: flex; align-items: flex-end; gap: 6px; height: 46px; margin-top: 10px; }
.bars i {
  flex: 1;
  background: linear-gradient(180deg, var(--matcha), var(--tea-700));
  border-radius: 4px 4px 2px 2px;
  display: block;
  animation: grow 1.4s var(--ease) backwards;
}
@keyframes grow { from { height: 4px !important; opacity: 0; } }
.cf__delta { font-size: 12px; color: var(--tea-600); font-weight: 700; margin-top: 8px; }

/* ---------- 信任条 ---------- */
.trust {
  background: var(--tea-950);
  color: rgba(255, 255, 255, 0.7);
  padding: 26px 0;
}
.trust__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 14px;
}
.trust__inner span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  letter-spacing: 0.04em;
}
.trust__inner span::before {
  content: "";
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold);
}

/* ---------- 双业务板块 ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.pillar {
  position: relative;
  border-radius: var(--radius-l);
  padding: 44px 40px 40px;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.pillar:hover { transform: translateY(-6px); box-shadow: var(--shadow-l); }
.pillar__no {
  font-family: var(--font-serif);
  position: absolute;
  right: 28px; top: 18px;
  font-size: 84px;
  color: rgba(31, 74, 58, 0.06);
  font-weight: 700;
  line-height: 1;
}
.pillar__icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--tea-700), var(--tea-950));
  margin-bottom: 22px;
}
.pillar__icon svg { width: 28px; height: 28px; }
.pillar h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--tea-950);
  margin-bottom: 8px;
}
.pillar__en {
  font-size: 12px; letter-spacing: 0.16em; color: var(--ink-3);
  text-transform: uppercase; margin-bottom: 18px;
}
.pillar p { color: var(--ink-2); font-size: 15.5px; }
.pillar__list { margin-top: 24px; display: grid; gap: 11px; }
.pillar__list li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 14.5px; color: var(--ink-2);
}
.pillar__list li::before {
  content: "";
  width: 16px; height: 16px; flex: none; margin-top: 5px;
  border-radius: 50%;
  background: rgba(127, 168, 106, 0.22) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a6249' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/10px no-repeat;
}
.pillar__link {
  margin-top: 28px;
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--tea-800); font-weight: 600; font-size: 15px;
}
.pillar__link svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.pillar__link:hover svg { transform: translateX(5px); }

/* ---------- 能力卡片网格 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 32px 28px;
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--matcha), var(--tea-700));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-m); border-color: transparent; }
.card:hover::before { transform: scaleY(1); }
.card__icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(42, 98, 73, 0.08);
  margin-bottom: 18px;
}
.card__icon svg { width: 22px; height: 22px; stroke: var(--tea-700); }
.card h4 { font-size: 17.5px; color: var(--tea-950); margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--ink-2); }
.card__tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 7px; }
.card__tags span {
  font-size: 12px;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--cream-2);
  color: var(--ink-2);
}

/* 深色卡片 */
.section--dark .card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}
.section--dark .card h4 { color: #fff; }
.section--dark .card p { color: rgba(255, 255, 255, 0.62); }
.section--dark .card__icon { background: rgba(255, 255, 255, 0.08); }
.section--dark .card__icon svg { stroke: var(--gold-soft); }
.section--dark .card__tags span { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7); }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.flow::before {
  content: "";
  position: absolute;
  left: 6%; right: 6%; top: 27px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--gold-soft) 0 8px, transparent 8px 16px);
}
.step { text-align: center; padding: 0 14px; position: relative; }
.step__dot {
  width: 54px; height: 54px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--cream);
  border: 1px solid var(--gold-soft);
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--tea-800);
  font-size: 18px;
  position: relative;
  z-index: 1;
  transition: all 0.35s var(--ease);
}
.step:hover .step__dot {
  background: var(--tea-800);
  color: #fff;
  border-color: var(--tea-800);
  transform: translateY(-4px);
}
.step h4 { font-size: 16.5px; color: var(--tea-950); margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--ink-2); }
.section--paper .step__dot { background: var(--paper); }

/* ---------- 案例 ---------- */
.case {
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: all 0.4s var(--ease);
  display: flex;
  flex-direction: column;
}
.case:hover { transform: translateY(-6px); box-shadow: var(--shadow-l); }
.case__cover {
  height: 186px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.case__cover--a { background: linear-gradient(140deg, #2a6249, #10241d); }
.case__cover--b { background: linear-gradient(140deg, #7fa86a, #1f4a3a); }
.case__cover--c { background: linear-gradient(140deg, #b08d4a, #3c3018); }
.case__cover--d { background: linear-gradient(140deg, #4c7c8c, #16353f); }
.case__cover::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 30px 30px;
}
.case__cover svg { width: 76px; height: 76px; opacity: 0.9; position: relative; z-index: 1; }
.case__badge {
  position: absolute;
  left: 18px; top: 16px;
  z-index: 2;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--tea-900);
  font-weight: 600;
}
.case__body { padding: 26px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.case__body h4 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--tea-950);
  margin-bottom: 10px;
}
.case__body p { font-size: 14.5px; color: var(--ink-2); flex: 1; }
.case__kpi {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  display: flex;
  gap: 26px;
}
.case__kpi div span {
  display: block;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--tea-700);
}
.case__kpi div small { font-size: 12.5px; color: var(--ink-3); }

/* ---------- 数据统计条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat {
  text-align: center;
  padding: 34px 18px;
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.stat b {
  display: block;
  font-family: var(--font-serif);
  font-size: 42px;
  color: #fff;
  line-height: 1.1;
}
.stat b i { font-style: normal; font-size: 20px; color: var(--gold); margin-left: 2px; }
.stat span { font-size: 14px; color: rgba(255, 255, 255, 0.6); }

/* ---------- 图文交错 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 62px;
  align-items: center;
}
.split--rev .split__media { order: -1; }
.split__media {
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, var(--tea-800), var(--tea-950));
  min-height: 400px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-l);
  padding: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.split__media::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 34px 34px;
}

/* 界面示意 */
.mock {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 340px;
  background: #fff;
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
}
.mock__top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.mock__top b { font-size: 14px; color: var(--tea-950); }
.mock__top em { font-style: normal; font-size: 11px; color: var(--ink-3); }
.mock__hero {
  height: 108px; border-radius: 12px;
  background: linear-gradient(135deg, var(--matcha-soft), var(--tea-700));
  position: relative;
  display: grid; place-items: center;
}
.mock__hero span {
  font-family: var(--font-serif);
  color: #fff; font-size: 17px; letter-spacing: 0.14em;
}
.mock__row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.mock__item { background: var(--cream-2); border-radius: 10px; padding: 9px; }
.mock__thumb { height: 54px; border-radius: 7px; background: linear-gradient(140deg, #cddcc2, #7fa86a); }
.mock__item p { font-size: 11px; color: var(--ink-2); margin-top: 7px; }
.mock__item i { font-style: normal; font-size: 11.5px; color: #c0392b; font-weight: 700; }
.mock__bar {
  margin-top: 12px; height: 34px; border-radius: 9px;
  background: var(--tea-800); color: #fff; font-size: 12px;
  display: grid; place-items: center; font-weight: 600;
}

.feat-list { display: grid; gap: 20px; margin-top: 30px; }
.feat {
  display: flex; gap: 16px; align-items: flex-start;
}
.feat__ic {
  width: 40px; height: 40px; flex: none;
  border-radius: 11px;
  background: rgba(42, 98, 73, 0.08);
  display: grid; place-items: center;
}
.feat__ic svg { width: 19px; height: 19px; stroke: var(--tea-700); }
.feat h4 { font-size: 16.5px; color: var(--tea-950); margin-bottom: 5px; }
.feat p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 折叠 FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%;
  background: none;
  border: 0;
  text-align: left;
  padding: 24px 44px 24px 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--tea-950);
  cursor: pointer;
  position: relative;
  font-family: inherit;
}
.faq__q::after {
  content: "";
  position: absolute;
  right: 8px; top: 50%;
  width: 12px; height: 12px;
  margin-top: -9px;
  border-right: 2px solid var(--tea-700);
  border-bottom: 2px solid var(--tea-700);
  transform: rotate(45deg);
  transition: transform 0.3s var(--ease);
}
.faq__item.is-open .faq__q::after { transform: rotate(-135deg); margin-top: -4px; }
.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.faq__a p { padding: 0 40px 24px 0; color: var(--ink-2); font-size: 15px; }
.faq__item.is-open .faq__a { max-height: 400px; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(140deg, var(--tea-800), var(--tea-950));
  border-radius: var(--radius-xl);
  padding: 66px 62px;
  color: #fff;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 44px;
  align-items: center;
}
.cta::before {
  content: "";
  position: absolute;
  right: -80px; top: -90px;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(194,161,90,0.28), transparent 68%);
}
.cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.2vw, 38px);
  position: relative;
}
.cta p { margin-top: 16px; color: rgba(255, 255, 255, 0.72); position: relative; max-width: 520px; }
.cta__btns { display: flex; gap: 14px; flex-wrap: wrap; position: relative; justify-content: flex-end; }

/* ---------- 联系表单 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; }
.info-list { display: grid; gap: 26px; margin-top: 34px; }
.info {
  display: flex; gap: 16px; align-items: flex-start;
}
.info__ic {
  width: 44px; height: 44px; flex: none;
  border-radius: 12px;
  background: rgba(42, 98, 73, 0.08);
  display: grid; place-items: center;
}
.info__ic svg { width: 20px; height: 20px; stroke: var(--tea-700); }
.info b { display: block; font-size: 15.5px; color: var(--tea-950); }
.info span { font-size: 14.5px; color: var(--ink-2); }

.form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 36px;
  box-shadow: var(--shadow-s);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13.5px;
  color: var(--ink-2);
  margin-bottom: 7px;
  font-weight: 600;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  font-size: 14.5px;
  font-family: inherit;
  color: var(--ink);
  background: var(--cream);
  transition: all 0.25s;
  outline: none;
}
.field textarea { resize: vertical; min-height: 104px; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--tea-600);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(53, 121, 90, 0.1);
}
.form .btn { width: 100%; margin-top: 6px; }
.form__note { font-size: 12.5px; color: var(--ink-3); margin-top: 14px; text-align: center; }
.form__ok {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(127, 168, 106, 0.14);
  border: 1px solid rgba(127, 168, 106, 0.4);
  border-radius: var(--radius-s);
  color: var(--tea-800);
  font-size: 14px;
  text-align: center;
}
.form__ok.is-show { display: block; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--tea-950);
  color: rgba(255, 255, 255, 0.6);
  padding: 66px 0 0;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer .logo__cn { color: #fff; }
.footer .logo__en { color: rgba(255, 255, 255, 0.4); }
.footer__intro { margin-top: 20px; font-size: 14px; max-width: 320px; line-height: 1.8; }
.footer h5 {
  color: #fff;
  font-size: 15px;
  margin: 0 0 20px;
  font-weight: 600;
}
.footer li { margin-bottom: 12px; font-size: 14px; }
.footer li a:hover { color: var(--gold-soft); }
.footer__qr {
  width: 104px; height: 104px;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  display: grid; place-items: center;
  margin-bottom: 10px;
}
.footer__qr svg { width: 54px; height: 54px; opacity: 0.7; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
}

/* ---------- 内页头部 ---------- */
.page-hero {
  padding: 150px 0 74px;
  background:
    radial-gradient(900px 420px at 80% 0%, rgba(127, 168, 106, 0.2), transparent 60%),
    var(--cream);
  position: relative;
}
.crumb { font-size: 13.5px; color: var(--ink-3); margin-bottom: 16px; }
.crumb a:hover { color: var(--tea-700); }
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.4vw, 50px);
  color: var(--tea-950);
}
.page-hero p { margin-top: 18px; max-width: 660px; color: var(--ink-2); font-size: 16.5px; }

/* ---------- 返回顶部 ---------- */
.totop {
  position: fixed;
  right: 26px; bottom: 26px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--tea-800);
  color: #fff;
  border: 0;
  display: grid; place-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s var(--ease);
  z-index: 90;
  box-shadow: var(--shadow-m);
}
.totop.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.totop svg { width: 18px; height: 18px; }

/* ---------- 滚动进场 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { height: 430px; max-width: 520px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); row-gap: 42px; }
  .flow::before { display: none; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav, .header__tel { display: none; }
  .burger { display: block; }
  .duo, .grid-3, .split, .contact-grid, .grid-2 { grid-template-columns: 1fr; }
  .split--rev .split__media { order: 0; }
  .split { gap: 34px; }
  .cta { grid-template-columns: 1fr; padding: 46px 32px; text-align: center; }
  .cta p { margin-left: auto; margin-right: auto; }
  .cta__btns { justify-content: center; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 76px 0; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .hero { padding: 132px 0 70px; }
  .hero__visual { height: 340px; }
  .card-float--brand { width: 168px; left: 0; }
  .card-float--shop { width: 186px; right: 0; }
  .card-float--data { display: none; }
  .hero__meta { grid-template-columns: 1fr 1fr; row-gap: 18px; }
  .grid-4, .flow, .stats { grid-template-columns: 1fr; }
  .pillar { padding: 32px 24px; }
  .form { padding: 24px 20px; }
  .form__row { grid-template-columns: 1fr; }
  .hero__btns .btn { flex: 1; }
}