/* ==========================================================================
   Shopify 建站工场 - 营销站样式
   配色：Shopify 绿 (#008060) + 青柠 (#95bf47) + 深墨绿
   ========================================================================== */

:root {
  --primary: #008060;
  --primary-600: #006a4e;
  --primary-700: #00553f;
  --primary-100: #e3f3ed;
  --primary-200: #bfe3d6;
  --lime: #95bf47;
  --lime-600: #7ba232;
  --lime-100: #eef5de;
  --ink: #0c2019;
  --dark: #06231b;
  --dark-2: #0a3527;
  --text: #24322b;
  --muted: #5f6f67;
  --border: #dfe9e4;
  --bg: #ffffff;
  --bg-soft: #f5f9f7;
  --radius: 18px;
  --shadow-sm: 0 2px 10px rgba(12, 32, 25, .06);
  --shadow-md: 0 12px 34px rgba(12, 32, 25, .1);
  --shadow-lg: 0 24px 60px rgba(6, 35, 27, .28);
  --header-h: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--lime); color: #0a2b1c; }

.sprite { display: none; }
.icon {
  width: 1.15em; height: 1.15em; flex: none;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 860px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px;
  font-weight: 600; font-size: 15px; line-height: 1.2;
  border: 1.5px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn .icon { width: 1.05em; height: 1.05em; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(0, 128, 96, .28); }
.btn-primary:hover { background: var(--primary-600); box-shadow: 0 12px 26px rgba(0, 128, 96, .34); }

.btn-lime { background: var(--lime); color: #14300a; box-shadow: 0 8px 20px rgba(149, 191, 71, .32); }
.btn-lime:hover { background: #a3cc55; box-shadow: 0 12px 26px rgba(149, 191, 71, .42); }

.btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .32); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .55); }

.btn-outline { background: #fff; color: var(--primary); border-color: var(--primary-200); }
.btn-outline:hover { border-color: var(--primary); background: var(--primary-100); }

.btn-lg { padding: 15px 34px; font-size: 16px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 区块通用 ---------- */
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.25rem); font-weight: 700; color: var(--ink); letter-spacing: .01em; }
.section-head p { color: var(--muted); margin-top: 12px; font-size: 16px; }

.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .22em;
  color: var(--primary); background: var(--primary-100);
  padding: 5px 14px; border-radius: 999px; margin-bottom: 16px;
}
.eyebrow.light { color: var(--lime); background: rgba(149, 191, 71, .14); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  transition: background .25s ease, box-shadow .25s ease, height .25s ease;
  --header-fg: #fff;
  --header-bg: rgba(6, 35, 27, 0);
}
.site-header.scrolled {
  --header-fg: var(--ink);
  --header-bg: rgba(255, 255, 255, .92);
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  box-shadow: 0 2px 18px rgba(12, 32, 25, .08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 100%; }

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--header-fg); transition: color .25s ease; }
.brand-icon {
  width: 40px; height: 40px; border-radius: 12px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--lime) 130%);
  color: #fff; box-shadow: 0 6px 14px rgba(0, 128, 96, .3);
}
.brand-icon .icon { width: 20px; height: 20px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text small { font-size: 10px; font-weight: 700; letter-spacing: .3em; opacity: .75; }
.brand-text strong { font-size: 17px; font-weight: 700; letter-spacing: .04em; }

.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav > a:not(.nav-cta) {
  color: var(--header-fg); opacity: .88; font-size: 15px; font-weight: 500;
  transition: color .25s ease, opacity .18s ease;
  position: relative;
}
.site-nav > a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px;
  background: var(--lime); border-radius: 2px; transition: right .22s ease;
}
.site-nav > a:not(.nav-cta):hover { opacity: 1; }
.site-nav > a:not(.nav-cta):hover::after { right: 0; }

.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; color: var(--header-fg); place-items: center; transition: color .25s ease; }
.nav-toggle .icon { width: 24px; height: 24px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 64px) 0 0;
  color: #eef6f2;
  background:
    radial-gradient(720px 420px at 88% 6%, rgba(149, 191, 71, .16), transparent 62%),
    radial-gradient(640px 520px at -6% 92%, rgba(0, 160, 110, .18), transparent 60%),
    linear-gradient(158deg, #06231b 0%, #07301f 52%, #09422c 100%);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
}

.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.04fr .96fr; gap: 56px; align-items: center;
  padding-bottom: 72px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; color: #cfe7da;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero-badge .icon { width: 15px; height: 15px; color: var(--lime); }
.hero-badge b { color: var(--lime); font-weight: 700; }

.hero h1 {
  font-size: clamp(2.05rem, 4.6vw, 3.3rem);
  font-weight: 800; line-height: 1.24; letter-spacing: .01em; color: #fff;
}
.hero h1 .accent { color: var(--lime); position: relative; white-space: nowrap; }
.hero h1 .accent::after {
  content: ""; position: absolute; left: 2%; right: 2%; bottom: 2px; height: 10px;
  background: rgba(149, 191, 71, .22); border-radius: 4px; z-index: -1;
}

.hero-sub { margin-top: 20px; font-size: 16.5px; color: #b9d2c6; max-width: 520px; }
.hero-sub b { color: #eaf6ef; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero-trust { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; }
.hero-trust li { display: flex; align-items: center; gap: 7px; font-size: 13.5px; color: #9dbbab; }
.hero-trust .icon { width: 14px; height: 14px; color: var(--lime); }

/* Hero 店铺预览 mockup */
.hero-visual { position: relative; }

.browser {
  background: #fff; border-radius: 16px; overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, .08);
}
.browser-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px; background: #eef2f0; border-bottom: 1px solid #e2e8e5;
}
.browser-bar .dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.r { background: #ff5f57; } .dot.y { background: #febc2e; } .dot.g { background: #28c840; }
.browser-url {
  margin-left: 10px; flex: 1; max-width: 300px;
  background: #fff; border-radius: 7px; padding: 4px 14px;
  font-size: 11.5px; color: #98a5a0; text-align: center;
}

.store { padding: 18px 20px 22px; color: var(--ink); }
.store-nav { display: flex; align-items: center; justify-content: space-between; padding: 2px 2px 14px; }
.store-logo { display: flex; align-items: center; gap: 7px; font-weight: 700; font-size: 14.5px; letter-spacing: .02em; }
.store-logo .icon { width: 17px; height: 17px; color: var(--primary); }
.store-menu { display: flex; gap: 8px; }
.store-menu span { width: 34px; height: 6px; border-radius: 3px; background: #e4ebe7; }
.store-cart { position: relative; color: var(--muted); }
.store-cart .icon { width: 18px; height: 18px; }
.store-cart i {
  position: absolute; top: -7px; right: -9px;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--lime); color: #16320b;
  font-size: 9.5px; font-style: normal; font-weight: 700;
  display: grid; place-items: center;
}

.store-hero {
  position: relative; border-radius: 12px; overflow: hidden;
  padding: 26px 22px;
  background:
    radial-gradient(300px 150px at 85% 20%, rgba(149, 191, 71, .5), transparent 70%),
    linear-gradient(130deg, #0b3d2c, #0f5138 70%);
  color: #fff;
}
.store-tag {
  display: inline-block; font-size: 9.5px; font-weight: 700; letter-spacing: .2em;
  color: var(--lime); border: 1px solid rgba(149, 191, 71, .55);
  padding: 3px 9px; border-radius: 999px; margin-bottom: 9px;
}
.store-title { font-size: 19px; font-weight: 700; letter-spacing: .01em; }
.store-btn {
  display: inline-block; margin-top: 13px;
  background: #fff; color: #0b3d2c;
  font-size: 10.5px; font-weight: 700; letter-spacing: .12em;
  padding: 8px 18px; border-radius: 999px;
}

.store-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 14px; }
.store-product { border: 1px solid #e8efeb; border-radius: 11px; padding: 9px; }
.sp-img {
  height: 64px; border-radius: 8px;
  display: grid; place-items: center; color: rgba(255, 255, 255, .85);
}
.sp-img .icon { width: 22px; height: 22px; }
.sp-img.t1 { background: linear-gradient(135deg, #b8d8a0, #8fbf6f); }
.sp-img.t2 { background: linear-gradient(135deg, #9fd6c4, #5cb99b); }
.sp-img.t3 { background: linear-gradient(135deg, #d6c89a, #c2a86a); }
.sp-name { font-size: 11.5px; font-weight: 600; color: #3c4a44; margin-top: 9px; }
.sp-row { display: flex; align-items: center; justify-content: space-between; margin-top: 3px; }
.sp-row > span { font-size: 12px; font-weight: 700; color: var(--primary); }
.sp-cart {
  width: 24px; height: 24px; border-radius: 7px;
  background: var(--primary-100); color: var(--primary);
  display: grid; place-items: center;
}
.sp-cart .icon { width: 13px; height: 13px; }

/* 漂浮数据卡 */
.float-card {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 11px;
  background: rgba(255, 255, 255, .96);
  border-radius: 14px; padding: 12px 16px;
  box-shadow: 0 14px 34px rgba(6, 35, 27, .3);
  animation: floaty 5s ease-in-out infinite;
}
.float-card strong { display: block; font-size: 14px; font-weight: 700; color: var(--ink); line-height: 1.3; }
.float-card small { font-size: 11px; color: var(--muted); }
.fc-icon {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--primary), #00a274);
}
.fc-icon .icon { width: 18px; height: 18px; }
.fc-1 { top: -18px; left: -26px; }
.fc-2 { bottom: 46px; left: -40px; animation-delay: 1.6s; }
.fc-3 { bottom: -18px; right: -14px; animation-delay: .8s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* 数据统计条 */
.stats {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 34px 0 46px;
}
.stat { text-align: center; padding: 0 12px; }
.stat + .stat { border-left: 1px solid rgba(255, 255, 255, .1); }
.stat-value { color: var(--lime); font-weight: 800; font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1.1; }
.stat-value em { font-style: normal; font-size: .6em; margin-left: 2px; }
.stat p { margin-top: 6px; font-size: 13.5px; color: #9dbbab; }

/* ---------- 服务优势 ---------- */
.features { background: var(--bg-soft); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-200); }
.fc-badge {
  width: 50px; height: 50px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--primary-100), var(--lime-100));
  color: var(--primary);
}
.fc-badge .icon { width: 24px; height: 24px; }
.feature-card h3 { font-size: 17.5px; font-weight: 700; color: var(--ink); margin-bottom: 9px; }
.feature-card p { font-size: 14.5px; color: var(--muted); }

/* ---------- 套餐价格 ---------- */
.pricing { background: #fff; }
.pricing-toggle {
  display: flex; justify-content: center; gap: 4px;
  width: max-content; margin: 0 auto 44px;
  background: #e8f1ec; border-radius: 999px; padding: 5px;
}
.pt-btn {
  padding: 9px 26px; border-radius: 999px;
  font-size: 14.5px; font-weight: 600; color: var(--muted);
  transition: all .2s ease;
}
.pt-btn.active { background: #fff; color: var(--primary); box-shadow: 0 3px 10px rgba(12, 32, 25, .1); }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; align-items: stretch; }

.price-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1.5px solid var(--border); border-radius: 22px;
  padding: 36px 30px 32px;
  transition: transform .22s ease, box-shadow .22s ease;
}
.price-card:not(.featured):hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-200); }

.price-card.featured {
  background: linear-gradient(172deg, #08281e 0%, #0d3a29 100%);
  border-color: rgba(149, 191, 71, .5);
  color: #dcebe3;
  transform: scale(1.035); z-index: 2;
  box-shadow: 0 30px 70px rgba(6, 35, 27, .35);
}
.price-card.featured:hover { transform: scale(1.035) translateY(-6px); }

.price-ribbon {
  position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
  background: var(--lime); color: #14300a;
  font-size: 12.5px; font-weight: 700; letter-spacing: .06em;
  padding: 6px 18px; border-radius: 999px;
  box-shadow: 0 8px 18px rgba(149, 191, 71, .4);
}

.price-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.price-head h3 { font-size: 21px; font-weight: 700; color: var(--ink); }
.featured .price-head h3 { color: #fff; }
.price-en { font-size: 11px; font-weight: 700; letter-spacing: .18em; color: #a9bcb3; }
.featured .price-en { color: var(--lime); }

.price-audience { margin-top: 6px; font-size: 13.5px; color: var(--muted); }
.featured .price-audience { color: #a9c3b6; }

.price { display: flex; align-items: baseline; gap: 4px; margin: 20px 0 22px; }
.price-symbol { font-size: 22px; font-weight: 700; color: var(--primary); }
.price-num { font-size: 46px; font-weight: 800; letter-spacing: -.01em; color: var(--ink); line-height: 1; }
.price-unit { font-size: 13px; color: var(--muted); margin-left: 6px; }
.featured .price-symbol { color: var(--lime); }
.featured .price-num { color: #fff; }
.featured .price-unit { color: #a9c3b6; }
.price-num.pop { animation: pop .3s ease; }
@keyframes pop { 50% { transform: scale(1.06); } }

.price-list { flex: 1; display: grid; gap: 10px; margin-bottom: 24px; }
.price-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; line-height: 1.55; }
.price-list .icon { width: 17px; height: 17px; margin-top: 4px; color: var(--primary); }
.featured .price-list .icon { color: var(--lime); }
.price-list li.inherit { font-weight: 600; color: var(--primary); }
.featured .price-list li.inherit { color: var(--lime); }

.price-delivery {
  display: flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 600; color: var(--ink);
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 11px; padding: 10px 14px; margin-bottom: 20px;
}
.featured .price-delivery { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .14); color: #dcebe3; }
.price-delivery .icon { width: 16px; height: 16px; color: var(--primary); }
.featured .price-delivery .icon { color: var(--lime); }

.pricing-notes { margin-top: 36px; text-align: center; }
.pricing-notes p { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--muted); margin: 0 18px 10px; }
.pricing-notes i { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); flex: none; }
.pricing-notes .notes-more { display: block; margin-top: 14px; }
.pricing-notes a { color: var(--primary); font-weight: 600; border-bottom: 1px dashed var(--primary-200); }
.pricing-notes a:hover { border-bottom-color: var(--primary); }

/* ---------- 搭建流程 ---------- */
.process { background: var(--bg-soft); }
.process-steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.process-steps::before {
  content: ""; position: absolute; top: 27px; left: 11%; right: 11%;
  border-top: 2px dashed var(--primary-200); z-index: 0;
}
.step { position: relative; z-index: 1; text-align: center; padding: 0 8px; }
.step-num {
  width: 54px; height: 54px; margin: 0 auto 18px;
  border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), #00a274);
  color: #fff; font-size: 20px; font-weight: 800;
  box-shadow: 0 0 0 8px var(--bg-soft), 0 10px 22px rgba(0, 128, 96, .3);
}
.step h3 { font-size: 17px; font-weight: 700; color: var(--ink); }
.step p { margin-top: 8px; font-size: 14px; color: var(--muted); }
.step-chip {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 14px; font-size: 12.5px; font-weight: 600; color: var(--primary);
  background: #fff; border: 1px solid var(--primary-200);
  padding: 5px 13px; border-radius: 999px;
}
.step-chip .icon { width: 13px; height: 13px; }

/* ---------- 客户案例 ---------- */
.cases { background: #fff; }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  background: #fff; display: flex; flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.case-top { display: flex; gap: 8px; padding: 26px 26px 0; min-height: 74px; }
.case-top.t1 { background: linear-gradient(135deg, #e8f3ea, #d3e9d8); }
.case-top.t2 { background: linear-gradient(135deg, #e6f2f4, #d0e8ec); }
.case-top.t3 { background: linear-gradient(135deg, #f3f0e4, #ebe5cd); }
.case-tag {
  font-size: 12px; font-weight: 700; color: var(--primary);
  background: rgba(255, 255, 255, .85);
  padding: 4px 13px; border-radius: 999px; height: fit-content;
}
.case-tag.ghost { color: var(--muted); }
.case-body { padding: 20px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.case-body h3 { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--muted); flex: 1; }
.case-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  margin-top: 20px; padding-top: 18px; border-top: 1px dashed var(--border);
  text-align: center;
}
.case-metrics strong { display: block; font-size: 17px; font-weight: 800; color: var(--primary); }
.case-metrics span { font-size: 11.5px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { background: var(--bg-soft); }
.faq-list { display: grid; gap: 14px; }
.faq-item {
  background: #fff; border: 1.5px solid var(--border); border-radius: 15px;
  overflow: hidden; transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item.open { border-color: var(--primary-200); box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 19px 24px; text-align: left;
  font-size: 16px; font-weight: 600; color: var(--ink);
}
.faq-q .icon { width: 19px; height: 19px; color: var(--primary); transition: transform .25s ease; }
.faq-item.open .faq-q .icon { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 24px 20px; }
.faq-a p { font-size: 14.5px; color: var(--muted); }

/* ---------- 联系我们 ---------- */
.contact {
  position: relative;
  padding: 100px 0 110px;
  color: #e8f3ee;
  background:
    radial-gradient(700px 400px at 100% 0%, rgba(149, 191, 71, .14), transparent 60%),
    linear-gradient(160deg, #06231b 0%, #0a3527 100%);
  overflow: hidden;
}
.contact::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}
.contact-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.08fr; gap: 60px; align-items: start; }

.contact-info h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 700; color: #fff; margin-top: 14px; }
.contact-lead { margin-top: 12px; color: #b9d2c6; font-size: 15.5px; max-width: 440px; }
.contact-lead b { color: var(--lime); }

.contact-methods { margin-top: 34px; display: grid; gap: 14px; }
.contact-methods li { display: flex; align-items: center; gap: 16px; }
.contact-methods li:first-child {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 16px; padding: 16px 18px;
}
.qr-box {
  width: 118px; height: 118px; flex: none;
  background: #fff; border-radius: 12px; padding: 9px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .3);
}
.qr-box svg { width: 100%; height: 100%; }
.qr-box img { width: 100%; height: 100%; object-fit: contain; border-radius: 6px; }
.cm-text { display: flex; flex-direction: column; gap: 3px; }
.cm-text strong { font-size: 15.5px; font-weight: 700; color: #fff; }
.cm-text span, .cm-text a { font-size: 13.5px; color: #a9c3b6; }
.cm-text a:hover { color: var(--lime); }
.cm-text em { font-style: normal; color: #e8f3ee; font-weight: 600; }
.copy-btn {
  display: inline-flex; align-items: center; gap: 6px; width: fit-content;
  margin-top: 6px; font-size: 12.5px; font-weight: 600; color: var(--lime);
  border: 1px solid rgba(149, 191, 71, .45); border-radius: 999px; padding: 4px 12px;
  transition: background .18s ease;
}
.copy-btn:hover { background: rgba(149, 191, 71, .14); }
.copy-btn .icon { width: 13px; height: 13px; }
.cm-icon {
  width: 44px; height: 44px; flex: none; border-radius: 13px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .13);
  color: var(--lime);
}
.cm-icon .icon { width: 20px; height: 20px; }

.contact-form {
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 22px; padding: 34px 34px 30px;
  backdrop-filter: blur(6px);
}
.contact-form h3 { font-size: 19px; font-weight: 700; color: #fff; margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13px; font-weight: 600; color: #c8ded4; margin-bottom: 7px; }
.form-field label i { color: var(--lime); font-style: normal; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 12px 15px; border-radius: 11px;
  background: rgba(255, 255, 255, .07);
  border: 1.5px solid rgba(255, 255, 255, .14);
  color: #fff; font-size: 14.5px; outline: none;
  transition: border-color .18s ease, background .18s ease;
}
.contact-form textarea { resize: vertical; min-height: 96px; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #7f998e; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  border-color: var(--lime); background: rgba(255, 255, 255, .1);
}
.contact-form select option { color: var(--ink); background: #fff; }
.contact-form .btn { margin-top: 6px; }
.form-note { margin-top: 14px; text-align: center; font-size: 12.5px; color: #8fa99e; }
.contact-form input.invalid, .contact-form textarea.invalid { border-color: #e08a8a; }

/* ---------- 页脚 ---------- */
.site-footer { background: #04170f; color: #9db4aa; padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 54px; }
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; max-width: 280px; }
.footer-stars { display: flex; align-items: center; gap: 4px; margin-top: 16px; }
.footer-stars .icon { width: 15px; height: 15px; color: var(--lime); }
.footer-stars span { font-size: 12.5px; margin-left: 6px; color: #b9d2c6; }
.footer-col h4 { font-size: 14.5px; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: .04em; }
.footer-col a { display: flex; align-items: center; gap: 9px; font-size: 13.5px; padding: 5px 0; color: #9db4aa; transition: color .18s ease; }
.footer-col a:hover { color: var(--lime); }
.footer-col .icon { width: 15px; height: 15px; opacity: .8; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 24px 24px; font-size: 13px; color: #74897f;
}

/* ---------- 回顶 / 提示 ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 10px 24px rgba(0, 128, 96, .4);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all .25s ease;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--primary-600); }
.to-top .icon { width: 20px; height: 20px; }

.toast {
  position: fixed; left: 50%; bottom: 36px; z-index: 200;
  transform: translateX(-50%) translateY(20px);
  background: #10362a; color: #eaf6ef;
  font-size: 14px; font-weight: 500;
  padding: 12px 24px; border-radius: 999px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, .35);
  border: 1px solid rgba(149, 191, 71, .35);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: all .3s ease;
  max-width: calc(100vw - 40px); text-align: center;
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; transition-delay: var(--d, 0s); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 60px; padding-top: 20px; text-align: left; }
  .hero-visual { max-width: 620px; margin: 0 auto; }
  .fc-1 { left: -8px; } .fc-2 { left: -16px; } .fc-3 { right: -6px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; gap: 34px; }
  .price-card.featured { transform: none; }
  .price-card.featured:hover { transform: translateY(-6px); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .process-steps::before { display: none; }
  .cases-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  :root { --header-h: 62px; }
  .section { padding: 72px 0; }

  .nav-toggle { display: grid; }
  .site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #07281d; border-bottom: 1px solid rgba(255, 255, 255, .1);
    padding: 16px 24px 24px;
    transform: translateY(-12px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: all .25s ease;
  }
  .site-header.scrolled .site-nav { background: #fff; border-color: var(--border); }
  .site-nav.open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
  .site-nav > a:not(.nav-cta) { padding: 12px 4px; font-size: 16px; border-bottom: 1px solid rgba(128, 128, 128, .14); }
  .site-nav > a:not(.nav-cta)::after { display: none; }
  .site-header.scrolled .site-nav > a:not(.nav-cta) { color: var(--ink); }
  .nav-cta { margin-top: 14px; }

  .hero { padding-top: calc(var(--header-h) + 40px); }
  .hero-actions .btn { flex: 1; min-width: 200px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 22px 0; }
  .stat:nth-child(3) { border-left: none; }
  .features-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .pricing-notes p { display: block; margin: 0 0 8px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .hero h1 { font-size: 1.85rem; }
  .hero-sub { font-size: 15px; }
  .process-steps { grid-template-columns: 1fr; }
  .contact-form { padding: 26px 22px; }
  .contact-methods li:first-child { flex-direction: column; align-items: flex-start; }
  .float-card { padding: 9px 13px; }
  .float-card strong { font-size: 12.5px; }
  .float-card small { font-size: 10px; }
  .fc-1 { top: -14px; left: -6px; } .fc-2 { left: -8px; } .fc-3 { right: -4px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}