/* ============================================================
   绿季 · 官网样式系统
   ============================================================ */

:root {
  --ink: #0B2B23;
  --brand: #14624F;
  --brand-deep: #0A2E26;
  --brand-mid: #1B7365;
  --brand-light: #2E9E7E;
  --leaf: #7FD1A6;
  --bg: #FFFFFF;
  --bg-soft: #F5F7F4;
  --bg-warm: #FAFAF7;
  --line: #E4E9E4;
  --line-soft: #EEF2EE;
  --text: #17251F;
  --text-2: #5C6E66;
  --text-3: #8C9A93;

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

  --shadow-sm: 0 1px 2px rgba(11, 43, 35, .06);
  --shadow: 0 14px 40px -18px rgba(11, 43, 35, .28);
  --shadow-lg: 0 30px 70px -30px rgba(11, 43, 35, .34);

  --maxw: 1200px;
  --gutter: clamp(20px, 4vw, 40px);
  --sect: clamp(64px, 8vw, 118px);

  --font: "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-num: "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: inherit; }

::selection { background: #B9E6CE; color: #082B22; }

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

.section { padding: var(--sect) 0; }
.section--soft { background: var(--bg-soft); }
.section--warm { background: var(--bg-warm); }
.section--tight { padding: clamp(44px, 5vw, 72px) 0; }

.grid { display: grid; gap: clamp(18px, 2vw, 28px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 文字 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brand);
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .55;
}
.eyebrow--light { color: #8FD9BC; }

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.015em; line-height: 1.2; }

.h1 {
  font-size: clamp(34px, 4.6vw, 62px);
  line-height: 1.1;
  letter-spacing: -.03em;
}
.h2 {
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.18;
  letter-spacing: -.025em;
}
.h3 {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.4;
}
.lead {
  font-size: clamp(15.5px, 1.35vw, 18px);
  color: var(--text-2);
  line-height: 1.85;
  margin: 0;
}
.muted { color: var(--text-2); }
.small { font-size: 13.5px; color: var(--text-3); }

.section-head { max-width: 720px; margin-bottom: clamp(34px, 4vw, 56px); }
.section-head .h2 { margin: 16px 0 18px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 50px;
  padding: 0 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .18s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .25s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 10px 24px -12px rgba(20, 98, 79, .8); }
.btn--primary:hover { background: var(--brand-mid); box-shadow: 0 16px 30px -14px rgba(20, 98, 79, .9); }

.btn--ghost { border-color: var(--line); color: var(--text); background: #fff; }
.btn--ghost:hover { border-color: #C6D3CB; background: var(--bg-soft); }

.btn--light { background: #fff; color: var(--brand-deep); }
.btn--light:hover { background: #F1F7F2; }

.btn--outline-light { border-color: rgba(255, 255, 255, .34); color: #fff; }
.btn--outline-light:hover { border-color: rgba(255, 255, 255, .7); background: rgba(255, 255, 255, .07); }

.btn--sm { height: 40px; padding: 0 20px; font-size: 14px; }

.arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.nav.is-scrolled {
  border-bottom-color: var(--line-soft);
  box-shadow: 0 1px 0 rgba(11, 43, 35, .03), 0 10px 30px -24px rgba(11, 43, 35, .4);
}
.nav__inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__mark { width: 38px; height: 38px; border-radius: 11px; flex: none; object-fit: cover; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__cn { font-size: 17px; font-weight: 700; letter-spacing: .12em; color: var(--ink); }
.brand__en { font-size: 9.5px; letter-spacing: .22em; color: var(--text-3); font-weight: 500; }

.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative;
  padding: 9px 15px;
  font-size: 15px;
  color: var(--text-2);
  border-radius: 8px;
  transition: color .18s ease, background .18s ease;
}
.nav__link:hover { color: var(--ink); background: var(--bg-soft); }
.nav__link.is-active { color: var(--ink); font-weight: 600; }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 15px; right: 15px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
}
.nav__actions { display: flex; align-items: center; gap: 10px; }

.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
}
.nav__toggle span {
  display: block; width: 17px; height: 1.5px; background: var(--ink);
  position: relative;
}
.nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 0; width: 17px; height: 1.5px; background: var(--ink);
  transition: transform .2s ease;
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }

.drawer {
  position: fixed;
  inset: 72px 0 auto 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 12px var(--gutter) 22px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 89;
  box-shadow: var(--shadow);
}
.drawer.is-open { display: flex; }
.drawer a {
  padding: 13px 4px;
  font-size: 16px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
}
.drawer .btn { margin-top: 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(72px + clamp(56px, 7vw, 104px)) 0 clamp(56px, 7vw, 96px);
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(64, 176, 140, .28), transparent 62%),
    radial-gradient(760px 460px at 6% 104%, rgba(50, 130, 110, .22), transparent 60%),
    linear-gradient(155deg, #0C3A2F 0%, #0A2E26 46%, #072420 100%);
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  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: 72px 72px;
  mask-image: radial-gradient(900px 600px at 70% 20%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(900px 600px at 70% 20%, #000 20%, transparent 78%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__copy { max-width: 620px; }
.hero__title {
  margin: 22px 0 24px;
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.12;
  letter-spacing: -.03em;
  font-weight: 600;
}
.hero__title em {
  font-style: normal;
  color: #A9E9C8;
  position: relative;
}
.hero__sub {
  font-size: clamp(15px, 1.3vw, 17.5px);
  color: rgba(255, 255, 255, .74);
  line-height: 1.9;
  margin: 0 0 34px;
  max-width: 520px;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__media { position: relative; }
.hero__frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 50px 80px -40px rgba(0, 0, 0, .6);
  border: 1px solid rgba(255, 255, 255, .14);
  aspect-ratio: 4 / 3.35;
  background: rgba(255, 255, 255, .05);
}
.hero__frame img { width: 100%; height: 100%; object-fit: cover; }

.hero__badge {
  position: absolute;
  left: -18px; bottom: 26px;
  background: rgba(255, 255, 255, .97);
  color: var(--ink);
  border-radius: 14px;
  padding: 15px 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 13px;
}
.hero__badge b { font-size: 22px; letter-spacing: -.02em; display: block; line-height: 1; color: var(--brand); }
.hero__badge span { font-size: 12px; color: var(--text-2); letter-spacing: .02em; }
.hero__badge .dot {
  width: 34px; height: 34px; border-radius: 50%;
  background: #E8F6EE;
  display: grid; place-items: center;
  color: var(--brand);
  flex: none;
}

/* ---------- 内页头 ---------- */
.page-head {
  padding: calc(72px + clamp(44px, 5vw, 72px)) 0 clamp(40px, 4.5vw, 64px);
  background:
    radial-gradient(800px 400px at 88% -20%, rgba(64, 176, 140, .22), transparent 60%),
    linear-gradient(160deg, #0C3A2F, #0A2E26 60%, #08251F);
  color: #fff;
}
.page-head .h1 { font-size: clamp(30px, 3.8vw, 48px); margin: 18px 0 20px; }
.page-head .lead { color: rgba(255, 255, 255, .72); max-width: 620px; }

.crumb { font-size: 12.5px; color: rgba(255, 255, 255, .5); letter-spacing: .06em; margin-top: 26px; }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 8px; opacity: .5; }

/* ---------- 数据条 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.stat {
  background: #fff;
  padding: clamp(22px, 2.6vw, 34px) clamp(18px, 2vw, 28px);
}
.stat__num {
  font-family: var(--font-num);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 600;
  letter-spacing: -.03em;
  color: var(--brand);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 3px;
}
.stat__num small { font-size: .46em; font-weight: 500; letter-spacing: 0; color: var(--text-3); }
.stat__label { font-size: 13.5px; color: var(--text-2); margin-top: 10px; letter-spacing: .02em; }

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 2.4vw, 32px);
  transition: transform .25s ease, box-shadow .3s ease, border-color .25s ease;
  height: 100%;
}
.card:hover {
  transform: translateY(-3px);
  border-color: #D3DFD7;
  box-shadow: var(--shadow);
}
.card__icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, #EAF6EF, #D9EFE3);
  color: var(--brand);
  margin-bottom: 20px;
}
.card__icon svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: 10px; }
.card p { margin: 0; color: var(--text-2); font-size: 14.6px; line-height: 1.85; }

.card__num {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  letter-spacing: .12em;
  margin-bottom: 18px;
  display: block;
}
.card--flat { background: transparent; border-color: transparent; padding: 0; }
.card--flat:hover { transform: none; box-shadow: none; }

/* ---------- 图文分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 76px);
  align-items: center;
}
.split--wide-left { grid-template-columns: 1.1fr .9fr; }
.split__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3.2;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.split__media img { width: 100%; height: 100%; object-fit: cover; }

.checklist { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }
.checklist li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
}
.checklist li svg { flex: none; margin-top: 5px; color: var(--brand); }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2vw, 26px); }
.step { position: relative; padding-top: 26px; border-top: 1px solid var(--line); }
.step__no {
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--brand);
  margin-bottom: 12px;
  display: block;
}
.step h4 { font-size: 16.5px; margin-bottom: 8px; }
.step p { margin: 0; font-size: 14px; color: var(--text-2); line-height: 1.8; }

/* ---------- 案例卡 ---------- */
.case {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: transform .25s ease, box-shadow .3s ease, border-color .25s ease;
  height: 100%;
}
.case:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #D3DFD7; }
.case__img { aspect-ratio: 16 / 10.5; overflow: hidden; background: var(--bg-soft); }
.case__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.3,1); }
.case:hover .case__img img { transform: scale(1.04); }
.case__body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.case__meta { font-size: 12px; letter-spacing: .08em; color: var(--brand); font-weight: 600; }
.case__title { font-size: 17px; font-weight: 600; line-height: 1.45; }
.case__desc { font-size: 14px; color: var(--text-2); margin: 0; line-height: 1.8; }
.case__foot { margin-top: auto; padding-top: 12px; font-size: 12.5px; color: var(--text-3); display: flex; gap: 14px; }

/* ---------- 筛选 ---------- */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 34px; }
.filter {
  height: 38px; padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px; color: var(--text-2);
  transition: all .18s ease;
}
.filter:hover { border-color: #C6D3CB; color: var(--ink); }
.filter.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- 文章列表 ---------- */
.post-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.post-item {
  display: grid;
  grid-template-columns: 132px 1fr auto;
  gap: clamp(18px, 3vw, 40px);
  align-items: center;
  padding: 26px 6px;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease, padding-left .2s ease;
}
.post-item:hover { background: var(--bg-warm); padding-left: 14px; }
.post-item__date {
  font-family: var(--font-num);
  color: var(--text-3);
  font-size: 13.5px;
  letter-spacing: .04em;
}
.post-item__main { min-width: 0; }
.post-item__title { font-size: clamp(16px, 1.5vw, 19px); font-weight: 600; line-height: 1.5; }
.post-item__desc { margin: 7px 0 0; font-size: 14px; color: var(--text-2); line-height: 1.7; }
.post-item__go { color: var(--text-3); transition: transform .2s ease, color .2s ease; }
.post-item:hover .post-item__go { transform: translateX(4px); color: var(--brand); }

.post-hero { aspect-ratio: 21 / 9; border-radius: var(--radius-lg); overflow: hidden; margin-bottom: clamp(30px, 4vw, 48px); background: var(--bg-soft); }
.post-hero img { width: 100%; height: 100%; object-fit: cover; }
.prose { max-width: 760px; margin: 0 auto; font-size: 16.4px; line-height: 1.95; color: #263a32; }
.prose p { margin: 0 0 22px; }
.prose h2 { font-size: clamp(21px, 2vw, 26px); margin: 44px 0 18px; }
.prose h3 { font-size: 18.5px; margin: 34px 0 14px; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 22px; }
.prose li { margin-bottom: 9px; }
.prose blockquote {
  margin: 30px 0;
  padding: 18px 24px;
  border-left: 3px solid var(--brand);
  background: var(--bg-soft);
  border-radius: 0 10px 10px 0;
  color: var(--text-2);
}
.prose img { border-radius: var(--radius); margin: 28px 0; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  border-radius: var(--radius-lg);
  padding: clamp(40px, 5vw, 68px);
  background:
    radial-gradient(700px 340px at 84% 0%, rgba(80, 200, 158, .3), transparent 60%),
    linear-gradient(140deg, #0E4033, #092E25 70%);
  color: #fff;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.cta .h2 { font-size: clamp(24px, 2.8vw, 36px); margin-bottom: 12px; }
.cta p { margin: 0; color: rgba(255, 255, 255, .7); font-size: 15px; }
.cta__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.footer {
  background: #08211C;
  color: rgba(255, 255, 255, .66);
  padding: clamp(48px, 6vw, 76px) 0 30px;
  margin-top: var(--sect);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: clamp(26px, 3vw, 48px);
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
}
.footer .brand__cn { color: #fff; }
.footer .brand__en { color: rgba(255, 255, 255, .4); }
.footer__desc { font-size: 13.8px; line-height: 1.9; margin: 18px 0 0; max-width: 320px; color: rgba(255, 255, 255, .55); }
.footer h5 {
  font-size: 12.5px; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255, 255, 255, .9); margin: 0 0 18px; font-weight: 600;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; font-size: 14px; }
.footer a:hover { color: #fff; }
.footer__bottom {
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .38);
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.info-list { display: grid; gap: 26px; margin-top: 36px; }
.info-item { display: flex; gap: 16px; }
.info-item__icon {
  width: 40px; height: 40px; border-radius: 11px;
  background: #EAF6EF; color: var(--brand);
  display: grid; place-items: center; flex: none;
}
.info-item h5 { margin: 0 0 4px; font-size: 12.5px; letter-spacing: .1em; color: var(--text-3); font-weight: 600; text-transform: uppercase; }
.info-item p { margin: 0; font-size: 15.5px; color: var(--text); line-height: 1.6; }

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 3vw, 42px);
  box-shadow: var(--shadow);
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 8px;
  font-weight: 500;
  letter-spacing: .02em;
}
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  color: var(--text);
  background: #fff;
  transition: border-color .18s ease, box-shadow .18s ease;
  outline: none;
}
.field input:focus, .field textarea:focus {
  border-color: var(--brand-light);
  box-shadow: 0 0 0 3px rgba(46, 158, 126, .12);
}
.field textarea { resize: vertical; min-height: 110px; line-height: 1.7; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-note { font-size: 12.5px; color: var(--text-3); margin: 14px 0 0; line-height: 1.7; }
.form-msg { font-size: 13.5px; margin-top: 14px; padding: 10px 14px; border-radius: 9px; display: none; }
.form-msg.is-ok { display: block; background: #EAF6EF; color: #10604C; }
.form-msg.is-err { display: block; background: #FDECEC; color: #A32424; }

/* ---------- 空状态 / 骨架 ---------- */
.empty {
  text-align: center;
  padding: clamp(40px, 6vw, 72px) 20px;
  color: var(--text-3);
  font-size: 14.5px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}
.skeleton { background: linear-gradient(90deg, #F1F4F1 25%, #E7ECE8 37%, #F1F4F1 63%); background-size: 400% 100%; animation: sk 1.3s ease infinite; border-radius: 8px; }
@keyframes sk { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* ---------- 进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   可视化编辑模式
   ============================================================ */
body.is-editing {
  padding-bottom: 74px;
}
body.is-editing [data-cms] {
  outline: 1px dashed rgba(46, 158, 126, .55);
  outline-offset: 3px;
  border-radius: 3px;
  transition: background .15s ease, outline-color .15s ease;
  cursor: text;
  min-width: 24px;
}
body.is-editing [data-cms]:hover {
  outline-color: var(--brand-light);
  background: rgba(127, 209, 166, .12);
}
body.is-editing [data-cms]:focus {
  outline: 2px solid var(--brand-light);
  outline-offset: 3px;
  background: rgba(127, 209, 166, .14);
}
body.is-editing [data-cms].is-dirty {
  outline-color: #E0A93B;
  background: rgba(224, 169, 59, .1);
}

body.is-editing img[data-cms-img] {
  outline: 1px dashed rgba(46, 158, 126, .55);
  outline-offset: 3px;
  cursor: pointer;
}
body.is-editing img[data-cms-img]:hover {
  outline: 2px solid var(--brand-light);
  filter: brightness(.94);
}

.img-edit-hint {
  display: none;
}

.editbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 120;
  background: #0B2B23;
  color: #fff;
  padding: 12px var(--gutter);
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: 0 -10px 40px -20px rgba(0, 0, 0, .6);
}
.editbar.is-open { display: flex; }
.editbar__info { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: rgba(255, 255, 255, .72); }
.editbar__dot { width: 8px; height: 8px; border-radius: 50%; background: #5CD9A4; box-shadow: 0 0 0 4px rgba(92, 217, 164, .18); flex: none; }
.editbar__actions { display: flex; gap: 10px; align-items: center; }
.editbar .btn { height: 40px; padding: 0 18px; font-size: 13.5px; }
.editbar .btn--ghost { background: transparent; border-color: rgba(255, 255, 255, .26); color: #fff; }
.editbar .btn--ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .5); }
.editbar .btn--primary { background: #2E9E7E; }
.editbar .btn--primary:hover { background: #37B08C; }
.editbar .btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

/* 悬浮入口按钮 */
.fab {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 100;
  height: 46px;
  padding: 0 18px 0 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 600;
  display: none;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .2s ease;
}
.fab:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.fab.is-open { display: inline-flex; }
.fab svg { color: var(--brand); }
body.is-editing .fab { display: none; }

/* 图片替换弹层 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(6, 26, 21, .55);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.is-open { display: flex; }
.modal__box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-lg);
}
.modal__box h3 { font-size: 18px; margin-bottom: 8px; }
.modal__box p { margin: 0 0 20px; font-size: 13.5px; color: var(--text-2); line-height: 1.75; }
.drop {
  border: 1.5px dashed var(--line);
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
  color: var(--text-2);
  font-size: 14px;
  background: var(--bg-warm);
  transition: border-color .18s ease, background .18s ease;
  cursor: pointer;
}
.drop:hover, .drop.is-over { border-color: var(--brand-light); background: #F1F8F4; }
.drop b { color: var(--brand); }
.drop small { display: block; color: var(--text-3); font-size: 12px; margin-top: 8px; }
.modal__actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 96px;
  transform: translate(-50%, 12px);
  background: #0B2B23;
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  box-shadow: var(--shadow-lg);
  max-width: 88vw;
  text-align: center;
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }
.toast.is-err { background: #A32424; }
.toast.is-ok { background: #14624F; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav__actions .btn--primary { display: none; }
  .hero__inner { grid-template-columns: 1fr; gap: 42px; }
  .hero__media { max-width: 560px; }
  .hero__badge { left: 12px; bottom: 16px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 15.5px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .split, .split--wide-left { grid-template-columns: 1fr; gap: 30px; }
  .split__media { order: -1; }
  .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .post-item { grid-template-columns: 1fr; gap: 10px; }
  .post-item__go { display: none; }
  .field-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .editbar { flex-direction: column; align-items: stretch; gap: 10px; }
  .editbar__actions { justify-content: space-between; }
  .editbar .btn { flex: 1; }
  .brand__en { display: none; }
  .hero__badge { position: static; margin-top: 16px; display: inline-flex; }
}

/* ---------- 补充：通用隐藏 ---------- */
[hidden] { display: none !important; }

/* ---------- FAQ ---------- */
.faq { display: grid; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 21px 44px 21px 0;
  font-size: 16.5px;
  font-weight: 600;
  position: relative;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 6px; top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 300;
  color: var(--text-3);
  line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq details[open] summary { color: var(--brand); }
.faq__a {
  padding: 0 44px 24px 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.9;
}

/* ---------- 时间线 ---------- */
.timeline { display: grid; }
.tl-item {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: clamp(16px, 3vw, 36px);
  padding: 24px 0;
  border-top: 1px solid var(--line);
}
.tl-item:last-child { border-bottom: 1px solid var(--line); }
.tl-year {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 600;
  color: var(--brand);
  letter-spacing: -.01em;
}
.tl-body h4 { font-size: 17px; margin-bottom: 6px; }
.tl-body p { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.85; }

@media (max-width: 640px) {
  .tl-item { grid-template-columns: 1fr; gap: 8px; }
  .tl-year { font-size: 15px; }
}

/* JS 未执行时的兜底：内容必须可见 */
.no-js .reveal, .no-js .reveal * { opacity: 1 !important; transform: none !important; }

/* ---------- 客户名单 ---------- */
.clients { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.clients__item {
  padding: 20px 22px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); font-size: 15px; font-weight: 600;
  color: var(--text); display: flex; align-items: center; gap: 10px;
  transition: border-color .25s ease, box-shadow .3s ease;
}
.clients__item::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand); flex: 0 0 6px;
}
.clients__item:hover { border-color: #D3DFD7; box-shadow: var(--shadow); }
@media (max-width: 820px) { .clients { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .clients { grid-template-columns: 1fr; } }

.clients-strip { text-align: center; font-size: 13.5px; line-height: 2.1; color: var(--text-3); margin: 0; }
.clients-strip span { display: block; font-size: 12px; letter-spacing: .14em; color: var(--brand); font-weight: 600; margin-bottom: 6px; text-transform: uppercase; }

/* ---------- 文章内表格 ---------- */
.prose table {
  width: 100%; border-collapse: collapse; margin: 22px 0 26px;
  font-size: 14.5px; line-height: 1.7; background: #fff;
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
}
.prose thead th {
  background: var(--bg-soft); color: var(--text); font-weight: 600;
  text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line);
  font-size: 13.5px; white-space: nowrap;
}
.prose tbody td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose tbody tr:last-child td { border-bottom: 0; }
.prose tbody tr:hover { background: #FAFCFB; }
@media (max-width: 720px) {
  .prose table { display: block; overflow-x: auto; white-space: nowrap; }
  .prose thead th, .prose tbody td { padding: 10px 12px; }
}

/* 文章封面图 */
.prose-cover { margin: 26px 0 30px; }
.prose-cover img { width: 100%; border-radius: 12px; display: block; }
.prose-cover figcaption { font-size: 12.5px; color: var(--text-3, #6b7f76); margin-top: 8px; text-align: center; }