/* ==========================================================================
   蜀杏堂 官网 · 设计系统
   风格：简洁现代 / 中医药底色 / 大量留白 / 细线分隔
   ========================================================================== */

:root {
  /* 主色：蜀地本草的墨绿 */
  --ink: #12211B;
  --pine-900: #16382C;
  --pine: #1E4B3C;
  --pine-600: #2A6350;
  --jade: #5F8E7A;
  --jade-100: #E6EFEA;

  /* 点缀：铜金 */
  --gold: #B08D57;
  --gold-soft: #D8C39B;

  /* 中性 */
  --paper: #FBF9F5;
  --paper-2: #F3EFE8;
  --line: #E4DED3;
  --line-soft: #EFEAE1;
  --white: #FFFFFF;

  --text: #1B2420;
  --text-2: #4A5751;
  --muted: #7C8A83;

  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(22, 56, 44, .05), 0 2px 8px rgba(22, 56, 44, .04);
  --shadow: 0 4px 14px rgba(22, 56, 44, .06), 0 12px 36px rgba(22, 56, 44, .07);

  --container: 1180px;
  --header-h: 74px;

  --font: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC",
          "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system,
          "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--white);
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

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

/* ---------- 布局 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 26px;
}

.section { padding: 96px 0; }
.section--tight { padding: 72px 0; }
.section--paper { background: var(--paper); }
.section--pine { background: var(--pine-900); color: rgba(255, 255, 255, .82); }
.section--pine h2, .section--pine h3, .section--pine h4 { color: #fff; }

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  opacity: .65;
}
.section-head--center .eyebrow::after {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  opacity: .65;
}

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  margin-bottom: 18px;
}
.section-head p { color: var(--text-2); font-size: 16.5px; }
.section--pine .section-head p { color: rgba(255, 255, 255, .7); }

.divider { height: 1px; background: var(--line-soft); border: 0; margin: 0; }

/* ---------- 顶栏 ---------- */
.topbar {
  background: var(--pine-900);
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
  letter-spacing: .04em;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
  padding-top: 6px;
  padding-bottom: 6px;
}
.topbar b { color: #fff; font-weight: 500; }
.topbar a { color: #fff; border-bottom: 1px solid rgba(255, 255, 255, .34); transition: color .18s ease, border-color .18s ease; }
.topbar a:hover { color: var(--gold-soft); border-bottom-color: var(--gold-soft); }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.is-stuck { box-shadow: 0 6px 24px rgba(22, 56, 44, .07); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
}

/* 商标：不可改色 / 变形 / 加特效；安全边距由容器留白保证 */
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { flex: none; width: 48px; height: 48px; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-mark img { width: 100%; height: 100%; display: block; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--pine-900);
}
.brand-text em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
  margin-top: 2px;
}

/* ---------- 导航 ---------- */
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav > a {
  position: relative;
  padding: 9px 14px;
  font-size: 15px;
  color: var(--text-2);
  border-radius: var(--radius-sm);
  transition: color .2s ease, background .2s ease;
}
.site-nav > a:hover { color: var(--pine); background: var(--jade-100); }
.site-nav > a.is-active { color: var(--pine); font-weight: 600; }
.site-nav > a.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 1px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}
.site-nav .nav-cta { margin-left: 10px; }
.site-nav .nav-cta::after { display: none; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.6px;
  background: var(--pine-900);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .18s ease, background .2s ease, color .2s ease,
              border-color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--pine); color: #fff; box-shadow: 0 6px 18px rgba(30, 75, 60, .18); }
.btn-primary:hover { background: var(--pine-600); box-shadow: 0 10px 26px rgba(30, 75, 60, .24); }

.btn-ghost { border-color: var(--line); color: var(--pine-900); background: #fff; }
.btn-ghost:hover { border-color: var(--jade); background: var(--jade-100); }

.btn-light { background: #fff; color: var(--pine-900); }
.btn-light:hover { background: var(--gold-soft); }

.btn-outline-light { border-color: rgba(255, 255, 255, .34); color: #fff; }
.btn-outline-light:hover { border-color: #fff; background: rgba(255, 255, 255, .1); }

.btn-sm { padding: 9px 18px; font-size: 14px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 460px at 82% -8%, #EAF1EC 0%, rgba(234, 241, 236, 0) 62%),
    radial-gradient(760px 380px at 4% 108%, #F6F1E8 0%, rgba(246, 241, 232, 0) 60%),
    var(--paper);
  padding: 92px 0 96px;
  border-bottom: 1px solid var(--line-soft);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px 7px 11px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 26px;
  box-shadow: var(--shadow-sm);
}
.hero-tag .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(176, 141, 87, .16);
}
.hero h1 {
  font-size: clamp(30px, 4.2vw, 50px);
  line-height: 1.28;
  margin-bottom: 22px;
  letter-spacing: -.015em;
}
.hero h1 .accent {
  color: var(--pine);
  background: linear-gradient(transparent 62%, rgba(176, 141, 87, .26) 62%);
  padding: 0 2px;
}
/* 首屏研发背景（引文式，位于主文案之上） */
.hero-pre {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 520px;
  margin: 0 0 18px;
  padding-left: 15px;
  border-left: 2px solid var(--line);
}
.hero-lead {
  font-size: 17px;
  color: var(--text-2);
  max-width: 520px;
  margin-bottom: 34px;
}
.hero-note {
  margin-top: 26px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-figure { position: relative; }

/* 页面实景图通用外观：圆角 + 细描边 + 柔和投影（与站内卡片视觉语言一致）。
   图片文件均已按版位比例预裁（首页 4:3、关于页 5:4、项目页 8:7），按原比例显示即可。 */
.hero-figure img,
.figure-img {
  width: 100%;
  height: auto;
  border-radius: 26px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 48px rgba(22, 56, 44, .12);
}
.hero-figure svg { width: 100%; height: auto; }
.hero-badge {
  position: absolute;
  left: -8px;
  bottom: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-badge strong { display: block; font-size: 15px; color: var(--pine-900); }
.hero-badge span { font-size: 12.5px; color: var(--muted); }

/* ---------- 信任条 ---------- */
.trust {
  border-bottom: 1px solid var(--line-soft);
  background: #fff;
}
.trust-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 42px;
  align-items: center;
  padding: 20px 0;
  font-size: 13.5px;
  color: var(--text-2);
}
.trust-inner span { display: inline-flex; align-items: center; gap: 9px; }
.trust-inner svg { flex: none; color: var(--jade); }

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

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--gold-soft); }

.card-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--jade-100);
  color: var(--pine);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 15px; }
.card-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 14px;
}

/* ---------- 项目/服务 列表 ---------- */
.series {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.series-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.series-item:hover { border-color: var(--gold-soft); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.series-item .mark {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--paper-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: var(--pine);
}
.series-item h4 { font-size: 16px; margin-bottom: 6px; }
.series-item p { font-size: 14px; color: var(--text-2); }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.step { position: relative; padding: 0 22px 0 0; }
.step::after {
  content: "";
  position: absolute;
  top: 19px; left: 46px; right: 8px;
  height: 1px;
  background: linear-gradient(90deg, var(--line), rgba(228, 222, 211, 0));
}
.step:last-child::after { display: none; }
.step .step-no {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--pine);
  font-size: 14px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1;
  margin-bottom: 18px;
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-2); }

/* ---------- 能力条 ---------- */
.capabilities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, .14);
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}
.capability {
  padding: 34px 26px;
  border-right: 1px solid rgba(255, 255, 255, .14);
}
.capability:last-child { border-right: 0; }
.capability h4 { font-size: 17px; margin-bottom: 8px; }
.capability p { font-size: 14px; color: rgba(255, 255, 255, .62); }

/* ---------- 分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split--wide-left { grid-template-columns: 1.15fr .85fr; }

.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 14px;
  color: var(--text-2);
  font-size: 15.5px;
}
.check-list li:last-child { margin-bottom: 0; }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--jade-100);
  border: 1px solid rgba(95, 142, 122, .4);
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 5px; top: 12.5px;
  width: 5px; height: 2.5px;
  border-left: 1.6px solid var(--pine);
  border-bottom: 1.6px solid var(--pine);
  transform: rotate(-45deg);
}
.section--pine .check-list li { color: rgba(255, 255, 255, .74); }
.section--pine .check-list li::before { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .3); }
.section--pine .check-list li::after { border-color: #fff; }

/* ---------- 页面头（内页） ---------- */
.page-hero {
  background:
    radial-gradient(900px 360px at 88% 0%, #EAF1EC 0%, rgba(234, 241, 236, 0) 62%),
    var(--paper);
  padding: 68px 0 62px;
  border-bottom: 1px solid var(--line-soft);
}
.page-hero h1 { font-size: clamp(27px, 3.6vw, 40px); margin-bottom: 14px; }
.page-hero p { color: var(--text-2); max-width: 640px; font-size: 16.5px; margin-bottom: 0; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 16px; letter-spacing: .06em; }
.crumb a:hover { color: var(--pine); }
.crumb span { margin: 0 8px; opacity: .6; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 16px 20px; text-align: left; font-size: 15px; border-bottom: 1px solid var(--line-soft); }
/* 经营范围单元格：执照全文较长，缩小一号并收紧行距 */
.scope-cell { font-size: 13.5px; line-height: 1.9; color: var(--text-2); max-width: 760px; }
th {
  background: var(--paper-2);
  font-weight: 600;
  color: var(--pine-900);
  font-size: 14px;
  letter-spacing: .04em;
  white-space: nowrap;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: rgba(246, 241, 232, .5); }
td.muted { color: var(--muted); font-size: 14px; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }

.info-list { list-style: none; padding: 0; margin: 0 0 32px; }
.info-list li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}
.info-list li:first-child { border-top: 1px solid var(--line-soft); }
.info-list .ico {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--jade-100);
  color: var(--pine);
  display: flex; align-items: center; justify-content: center;
}
.info-list dl { margin: 0; }
.info-list dt { font-size: 13px; color: var(--muted); letter-spacing: .06em; margin-bottom: 2px; }
.info-list dd { margin: 0; font-size: 15.5px; color: var(--text); }
/* 电话/邮箱做成可点击链接，但仍按正文样式呈现，避免抢视觉 */
.info-list a { color: var(--pine); border-bottom: 1px solid var(--line); transition: color .18s ease, border-color .18s ease; }
.info-list a:hover { color: var(--pine-600); border-bottom-color: var(--pine-600); }

/* 微信号：等宽显示（字母数字混排，便于人工逐字核对）+ 一键复制 */
.info-list .wx-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--pine-900);
  -webkit-user-select: all;
  user-select: all;
}
.copy-btn {
  margin-left: 10px;
  padding: 3px 11px;
  font-family: inherit;
  font-size: 12.5px;
  line-height: 1.6;
  vertical-align: 1px;
  color: var(--pine);
  background: var(--jade-100);
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.copy-btn:hover { background: var(--pine); color: #fff; }
.copy-btn.is-done { background: var(--gold); color: #fff; }

.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; color: var(--text-2); margin-bottom: 8px; font-weight: 500; }
.field label .req { color: #B4553F; margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.field textarea { min-height: 118px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--jade);
  box-shadow: 0 0 0 3px rgba(95, 142, 122, .14);
}
.field .hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.form-foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 8px; }
.form-foot .tip { font-size: 12.5px; color: var(--muted); }

.form-ok {
  margin-top: 18px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: var(--jade-100);
  border: 1px solid rgba(95, 142, 122, .35);
  color: var(--pine-900);
  font-size: 14.5px;
}
.form-ok[hidden] { display: none; }

/* ---------- 合规提示块 ---------- */
.notice {
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: var(--paper);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 22px 26px;
  font-size: 14px;
  color: var(--text-2);
}
.notice strong { color: var(--pine-900); display: block; margin-bottom: 6px; font-size: 15px; }
.notice p { margin: 0 0 8px; }
.notice p:last-child { margin-bottom: 0; }

/* ---------- 待填字段 ---------- */
.tbd {
  display: inline-block;
  padding: 0 6px;
  border-bottom: 1px dashed var(--gold);
  background: rgba(176, 141, 87, .12);
  color: #8B6A33;
  border-radius: 3px;
  font-size: .94em;
  line-height: 1.55;
}

/* ---------- CTA 带 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--pine-900) 0%, var(--pine) 58%, #2C6B55 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -70px; top: -70px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .05);
}
.cta-band h2 { color: #fff; font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 10px; }
.cta-band p { color: rgba(255, 255, 255, .74); margin-bottom: 0; max-width: 560px; }
.cta-band .btn-row { flex: none; position: relative; z-index: 1; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--pine-900); color: rgba(255, 255, 255, .6); padding: 68px 0 0; margin-top: 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 52px;
}
.footer-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.footer-brand .brand-mark { width: 44px; height: 44px; }
.footer-brand strong { color: #fff; font-size: 18px; letter-spacing: .12em; }
.footer-about { font-size: 14px; line-height: 1.9; max-width: 330px; }
.footer-col h4 {
  color: #fff;
  font-size: 14px;
  letter-spacing: .1em;
  margin-bottom: 20px;
  font-weight: 600;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 12px; font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-col .tbd { background: rgba(216, 195, 155, .14); color: var(--gold-soft); border-bottom-color: rgba(216, 195, 155, .5); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 22px 0;
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom a:hover { color: #fff; }
.footer-disclaimer { font-size: 12.5px; opacity: .72; line-height: 1.8; padding-bottom: 26px; }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card:hover, .series-item:hover { transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .capabilities { grid-template-columns: repeat(2, 1fr); }
  .capability:nth-child(2) { border-right: 0; }
  .capability:nth-child(1), .capability:nth-child(2) { border-bottom: 1px solid rgba(255, 255, 255, .14); }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 30px 0; }
  .step:nth-child(3)::after { display: none; }
  .series { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  /* 主导航 6 项 + 咨询按钮，在 860–1024 区间需收紧，否则页头会横向溢出
     （断点 860 以下是汉堡菜单，不涉及） */
  .site-nav { gap: 2px; }
  .site-nav > a { padding: 9px 11px; font-size: 14.5px; }
  .brand-text em { font-size: 10px; letter-spacing: .06em; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 20px;
    box-shadow: 0 18px 34px rgba(22, 56, 44, .1);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav > a { padding: 13px 12px; font-size: 16px; }
  .site-nav > a.is-active::after { display: none; }
  .site-nav > a.is-active { background: var(--jade-100); }
  .site-nav .nav-cta { margin: 10px 0 0; }

  .hero { padding: 62px 0 68px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-figure { order: -1; max-width: 460px; }
  .hero-badge { left: auto; right: 0; }

  .section { padding: 68px 0; }
  .section--tight { padding: 54px 0; }
  .section-head { margin-bottom: 40px; }

  .split, .split--wide-left, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .series { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 28px 0; }
  .step:nth-child(3)::after { display: block; }
  .step:nth-child(even)::after { display: none; }

  .cta-band { flex-direction: column; align-items: flex-start; padding: 40px 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .topbar-inner { justify-content: center; }
  .topbar-inner .topbar-right { display: none; }
  .brand-text em { display: none; }
}

/* ---------- 商标 ® 上标 ---------- */
.brand-text sup,
.footer-brand sup,
.footer-disclaimer sup {
  font-size: .48em;
  line-height: 0;
  vertical-align: super;
  font-weight: 400;
  margin-left: 1px;
  letter-spacing: 0;
}

/* ---------- 品种体系（72 方） ---------- */
.fang-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.fang-head .fang-no {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--pine); color: #fff; font-size: 14px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  transform: translateY(4px);
}
.fang-head h3 { margin: 0; font-size: 18px; color: var(--pine-900); }
.fang-desc { font-size: 14px; color: var(--muted); margin: 0 0 14px; line-height: 1.7; }
.chip-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chip-list li {
  padding: 5px 13px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; font-size: 13.5px; color: var(--text-2);
  letter-spacing: .02em; white-space: nowrap;
}
.chip-list li b { color: var(--pine); font-weight: 600; }
.fang-count { margin-left: auto; font-size: 12.5px; color: var(--muted); letter-spacing: .08em; }

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .grid-4, .capabilities { grid-template-columns: 1fr; }
  .capability { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .14); }
  .capability:last-child { border-bottom: 0; }
  .form { padding: 24px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .steps { grid-template-columns: 1fr; }
  .step::after { display: none !important; }
}