/* ============================================================
   筑乡居.墅 — 设计系统
   主色 深林绿 #1B4332 / 强调 暖砂金 #C8A46B
   ============================================================ */

:root {
  --green:      #1B4332;
  --green-600:  #23564230;
  --green-deep: #12261E;
  --green-soft: #EAF0EC;
  --gold:       #C8A46B;
  --gold-soft:  #F3E9D6;
  --ink:        #16201B;
  --ink-2:      #4A554E;
  --ink-3:      #7C877F;
  --line:       #E4E7E3;
  --paper:      #FFFFFF;
  --paper-2:    #F7F5F0;
  --paper-3:    #FAF8F4;

  --maxw: 1240px;
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 20px;

  --shadow-sm: 0 2px 10px rgba(22,32,27,.05);
  --shadow:    0 10px 34px rgba(22,32,27,.08);
  --shadow-lg: 0 22px 60px rgba(22,32,27,.13);

  --ease: cubic-bezier(.22,.61,.36,1);
  --nav-h: 76px;
}

* { margin:0; padding:0; box-sizing:border-box; }

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  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; }
button { font-family:inherit; cursor:pointer; border:none; background:none; }

.wrap { max-width: var(--maxw); margin:0 auto; padding:0 32px; }
.wrap-narrow { max-width: 860px; margin:0 auto; padding:0 32px; }

/* ---------- 排版 ---------- */
h1,h2,h3,h4 { font-weight:600; line-height:1.28; letter-spacing:-.01em; }

.eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  font-size:12px; letter-spacing:.22em; color:var(--gold);
  text-transform:uppercase; font-weight:600; margin-bottom:18px;
}
.eyebrow::before {
  content:""; width:26px; height:1px; background:var(--gold); display:block;
}
.eyebrow.center::after { content:""; width:26px; height:1px; background:var(--gold); display:block; }

.sec-title { font-size:clamp(28px, 3.6vw, 42px); color:var(--green); }
.sec-sub {
  margin-top:16px; color:var(--ink-2); font-size:16px; max-width:640px; line-height:1.85;
}
.sec-head { margin-bottom:56px; }
.sec-head.center { text-align:center; }
.sec-head.center .sec-sub { margin-left:auto; margin-right:auto; }

.gold { color:var(--gold); }

/* ---------- 按钮 ---------- */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  height:52px; padding:0 30px; border-radius:var(--r-sm);
  font-size:15px; font-weight:600; letter-spacing:.02em;
  transition: all .3s var(--ease); white-space:nowrap;
}
.btn-primary { background:var(--green); color:#fff; box-shadow:0 6px 20px rgba(27,67,50,.22); }
.btn-primary:hover { background:#143326; transform:translateY(-2px); box-shadow:0 12px 28px rgba(27,67,50,.3); }
.btn-gold { background:var(--gold); color:#fff; }
.btn-gold:hover { background:#B8925A; transform:translateY(-2px); }
.btn-ghost { border:1.5px solid rgba(255,255,255,.5); color:#fff; }
.btn-ghost:hover { background:rgba(255,255,255,.12); border-color:#fff; }
.btn-outline { border:1.5px solid var(--line); color:var(--green); }
.btn-outline:hover { border-color:var(--green); background:var(--green-soft); }
.btn-sm { height:42px; padding:0 20px; font-size:14px; }

/* ============================================================
   顶部导航
   ============================================================ */
.nav {
  position:fixed; top:0; left:0; right:0; z-index:100; height:var(--nav-h);
  display:flex; align-items:center;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), height .35s var(--ease);
}
.nav.solid {
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 1px 0 var(--line);
  height:66px;
}
.nav.dark:not(.solid) { background:linear-gradient(180deg, rgba(10,22,16,.55), transparent); }

.nav .wrap { display:flex; align-items:center; justify-content:space-between; width:100%; }

.brand { display:flex; align-items:center; gap:12px; }
.brand img { height:40px; width:auto; transition:height .35s var(--ease); }
.nav.solid .brand img { height:34px; }
.brand-txt { line-height:1.15; }
.brand-txt b { display:block; font-size:17px; font-weight:700; letter-spacing:.03em; color:var(--green); }
.brand-txt span { display:block; font-size:10.5px; letter-spacing:.16em; color:var(--ink-3); text-transform:uppercase; }
.nav:not(.solid).dark .brand-txt b { color:#fff; }
.nav:not(.solid).dark .brand-txt span { color:rgba(255,255,255,.6); }
.nav:not(.solid).dark .brand img { filter:brightness(0) invert(1); }

.menu { display:flex; align-items:center; gap:6px; }
.menu a {
  position:relative; padding:9px 15px; font-size:15px; font-weight:500;
  color:var(--ink); border-radius:6px; transition:color .25s;
}
.menu a:hover { color:var(--green); }
.menu a.active { color:var(--green); font-weight:600; }
.menu a.active::after {
  content:""; position:absolute; left:15px; right:15px; bottom:2px;
  height:2px; background:var(--gold); border-radius:2px;
}
.nav:not(.solid).dark .menu a { color:rgba(255,255,255,.88); }
.nav:not(.solid).dark .menu a:hover,
.nav:not(.solid).dark .menu a.active { color:#fff; }

.nav-phone {
  display:flex; align-items:center; gap:8px; font-weight:700; font-size:16px;
  color:var(--gold); letter-spacing:.01em;
}
.nav-phone svg { width:17px; height:17px; }

.burger {
  display:none; width:42px; height:42px; border-radius:8px;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.burger i { display:block; width:20px; height:1.8px; background:var(--ink); border-radius:2px; transition:all .3s var(--ease); }
.nav:not(.solid).dark .burger i { background:#fff; }
.burger.on i:nth-child(1){ transform:translateY(6.8px) rotate(45deg); }
.burger.on i:nth-child(2){ opacity:0; }
.burger.on i:nth-child(3){ transform:translateY(-6.8px) rotate(-45deg); }

/* 手机抽屉 */
.drawer {
  position:fixed; inset:0; z-index:99; background:var(--paper);
  padding:calc(var(--nav-h) + 24px) 28px 40px;
  transform:translateY(-100%); transition:transform .42s var(--ease);
  overflow-y:auto;
}
.drawer.on { transform:translateY(0); }
.drawer a {
  display:block; padding:17px 0; font-size:18px; font-weight:500;
  border-bottom:1px solid var(--line); color:var(--ink);
}
.drawer a:last-of-type { border:none; }
.drawer .d-cta { margin-top:26px; }
.drawer .d-cta .btn { width:100%; }

.nav-pad { height:var(--nav-h); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position:relative; min-height:88vh; display:flex; align-items:center;
  overflow:hidden; background:var(--green-deep);
}
.hero-bg { position:absolute; inset:0; }
.hero-bg img { width:100%; height:100%; object-fit:cover; }
.hero-bg::after {
  content:""; position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(11,26,19,.9) 0%, rgba(11,26,19,.62) 46%, rgba(11,26,19,.28) 100%);
}
.hero-inner { position:relative; z-index:2; padding:120px 0 96px; width:100%; }
.hero h1 {
  color:#fff; font-size:clamp(34px, 5.6vw, 68px); font-weight:700;
  line-height:1.16; letter-spacing:-.02em; max-width:15em;
}
.hero h1 .line-gold {
  display:inline-block; position:relative; color:var(--gold);
}
.hero h1 .line-gold::after {
  content:""; position:absolute; left:0; bottom:-6px; width:100%; height:2px;
  background:linear-gradient(90deg, var(--gold), transparent);
}
.hero-lead {
  margin-top:26px; color:rgba(255,255,255,.8); font-size:clamp(15px,1.6vw,18px);
  max-width:34em; line-height:1.9;
}
.hero-cta { margin-top:40px; display:flex; gap:14px; flex-wrap:wrap; }

.hero-strip {
  position:absolute; left:0; right:0; bottom:0; z-index:3;
  background:rgba(10,24,17,.72);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.1);
}
.hero-strip .wrap { display:flex; justify-content:space-between; gap:20px; padding-top:22px; padding-bottom:22px; }
.hs-item { text-align:center; flex:1; }
.hs-item b {
  display:block; font-size:clamp(22px,2.6vw,32px); font-weight:700; color:#fff; line-height:1.2;
}
.hs-item b em { font-style:normal; color:var(--gold); font-size:.62em; margin-left:2px; }
.hs-item span { display:block; margin-top:4px; font-size:12.5px; color:rgba(255,255,255,.6); letter-spacing:.06em; }

/* ---------- 通用区块 ---------- */
.sec { padding:104px 0; }
.sec-tint { background:var(--paper-2); }
.sec-paper3 { background:var(--paper-3); }

/* 数字统计 */
.stats { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border-radius:var(--r); overflow:hidden; box-shadow:var(--shadow-sm); }
.stat { background:var(--paper); padding:38px 22px; text-align:center; }
.stat b { display:block; font-size:clamp(30px,3.4vw,44px); color:var(--green); font-weight:700; line-height:1.1; }
.stat b em { font-style:normal; color:var(--gold); font-size:.5em; margin-left:3px; }
.stat span { display:block; margin-top:8px; font-size:14px; color:var(--ink-2); }

/* ---------- 优势卡片 ---------- */
.cards { display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.card {
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r);
  padding:34px 28px; transition:all .38s var(--ease); position:relative; overflow:hidden;
}
.card::before {
  content:""; position:absolute; top:0; left:0; width:100%; height:3px;
  background:linear-gradient(90deg, var(--gold), transparent);
  transform:scaleX(0); transform-origin:left; transition:transform .45s var(--ease);
}
.card:hover { transform:translateY(-6px); box-shadow:var(--shadow); border-color:transparent; }
.card:hover::before { transform:scaleX(1); }
.card .ico {
  width:48px; height:48px; border-radius:12px; background:var(--green-soft);
  display:flex; align-items:center; justify-content:center; margin-bottom:20px;
  color:var(--green); transition:all .35s var(--ease);
}
.card:hover .ico { background:var(--green); color:var(--gold); }
.card .ico svg { width:24px; height:24px; }
.card h3 { font-size:17.5px; color:var(--green); margin-bottom:10px; }
.card p { font-size:14.5px; color:var(--ink-2); line-height:1.8; }

/* ---------- 产品卡 ---------- */
.prods { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.prod {
  position:relative; border-radius:var(--r); overflow:hidden; background:var(--green-deep);
  aspect-ratio:3/4; cursor:pointer; box-shadow:var(--shadow-sm);
}
.prod img { width:100%; height:100%; object-fit:cover; transition:transform .7s var(--ease); }
.prod:hover img { transform:scale(1.07); }
.prod::after {
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(11,26,19,0) 32%, rgba(11,26,19,.86) 100%);
}
.prod-body { position:absolute; left:0; right:0; bottom:0; z-index:2; padding:26px 24px; color:#fff; }
.prod-tag {
  display:inline-block; font-size:11px; letter-spacing:.16em; color:var(--gold);
  border:1px solid rgba(200,164,107,.5); border-radius:99px; padding:3px 11px; margin-bottom:12px;
}
.prod-body h3 { font-size:20px; color:#fff; margin-bottom:6px; }
.prod-body p { font-size:13.5px; color:rgba(255,255,255,.72); line-height:1.7; }
.prod-meta {
  margin-top:14px; padding-top:14px; border-top:1px solid rgba(255,255,255,.16);
  display:flex; gap:18px; font-size:13px; color:rgba(255,255,255,.88);
}
.prod-meta i { font-style:normal; color:var(--gold); }

/* ---------- 流程 ---------- */
.flow { display:grid; grid-template-columns:repeat(5,1fr); gap:0; position:relative; }
.flow-item { position:relative; padding:0 18px; text-align:center; }
.flow-item::before {
  content:""; position:absolute; top:29px; left:-50%; width:100%; height:1px;
  background:repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
  z-index:0;
}
.flow-item:first-child::before { display:none; }
.flow-num {
  position:relative; z-index:1; width:60px; height:60px; margin:0 auto 20px;
  border-radius:50%; background:var(--paper); border:1.5px solid var(--gold);
  display:flex; align-items:center; justify-content:center;
  font-size:19px; font-weight:700; color:var(--green);
  transition:all .35s var(--ease);
}
.flow-item:hover .flow-num { background:var(--green); color:#fff; border-color:var(--green); }
.flow-item h4 { font-size:16.5px; color:var(--green); margin-bottom:8px; }
.flow-item p { font-size:13.5px; color:var(--ink-2); line-height:1.75; }

/* ---------- 案例 ---------- */
.cases { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.case {
  border-radius:var(--r); overflow:hidden; background:var(--paper);
  box-shadow:var(--shadow-sm); transition:all .4s var(--ease);
}
.case:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.case-pic { position:relative; aspect-ratio:4/3; overflow:hidden; }
.case-pic img { width:100%; height:100%; object-fit:cover; transition:transform .7s var(--ease); }
.case:hover .case-pic img { transform:scale(1.06); }
.case-badge {
  position:absolute; top:14px; left:14px; z-index:2;
  background:rgba(27,67,50,.9); color:#fff; font-size:12px;
  padding:5px 12px; border-radius:99px; backdrop-filter:blur(6px);
}
.case-info { padding:22px 24px 26px; }
.case-info h4 { font-size:17px; color:var(--green); margin-bottom:8px; }
.case-info p { font-size:14px; color:var(--ink-2); line-height:1.8; }
.case-tags { margin-top:14px; display:flex; gap:8px; flex-wrap:wrap; }
.case-tags span {
  font-size:12px; color:var(--ink-3); background:var(--paper-2);
  padding:3px 10px; border-radius:5px;
}

/* ---------- 图文块 ---------- */
.split { display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:center; }
.split-pic { position:relative; border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow-lg); }
.split-pic img { width:100%; aspect-ratio:4/3; object-fit:cover; }
.split-pic::after {
  content:""; position:absolute; inset:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.28); border-radius:var(--r-lg); pointer-events:none;
}
.split-badge {
  position:absolute; right:-18px; bottom:-18px; z-index:3;
  background:var(--gold); color:#fff; border-radius:var(--r);
  padding:20px 24px; box-shadow:var(--shadow);
}
.split-badge b { display:block; font-size:26px; font-weight:700; line-height:1.1; }
.split-badge span { font-size:12.5px; opacity:.9; }

.check-list { margin-top:28px; display:grid; gap:14px; }
.check-list li { list-style:none; display:flex; gap:12px; font-size:15px; color:var(--ink-2); line-height:1.7; }
.check-list li svg { flex:none; width:20px; height:20px; margin-top:3px; color:var(--gold); }

/* ---------- 表单 ---------- */
.form-card {
  background:var(--paper); border-radius:var(--r-lg); padding:40px;
  box-shadow:var(--shadow); border:1px solid var(--line);
}
.field { margin-bottom:18px; }
.field label { display:block; font-size:13.5px; color:var(--ink-2); margin-bottom:7px; font-weight:500; }
.field input, .field select, .field textarea {
  width:100%; height:50px; padding:0 16px; font-size:15px; font-family:inherit;
  border:1.5px solid var(--line); border-radius:var(--r-sm); background:var(--paper);
  color:var(--ink); transition:border-color .25s, box-shadow .25s;
}
.field textarea { height:104px; padding:14px 16px; resize:vertical; line-height:1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline:none; border-color:var(--green); box-shadow:0 0 0 3px var(--green-600);
}
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:0 18px; }
.form-note { margin-top:14px; font-size:12.5px; color:var(--ink-3); line-height:1.7; }
.form-ok {
  display:none; margin-top:16px; padding:14px 18px; border-radius:var(--r-sm);
  background:var(--green-soft); color:var(--green); font-size:14px; font-weight:500;
}
.form-ok.on { display:block; }

/* ---------- 资讯 ---------- */
.news { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.news-item {
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden; transition:all .38s var(--ease); display:flex; flex-direction:column;
}
.news-item:hover { transform:translateY(-5px); box-shadow:var(--shadow); border-color:transparent; }
.news-pic { aspect-ratio:16/10; overflow:hidden; }
.news-pic img { width:100%; height:100%; object-fit:cover; transition:transform .7s var(--ease); }
.news-item:hover .news-pic img { transform:scale(1.05); }
.news-body { padding:24px 26px 28px; flex:1; display:flex; flex-direction:column; }
.news-date { font-size:12.5px; color:var(--gold); letter-spacing:.06em; }
.news-body h3 { margin:10px 0 10px; font-size:17px; line-height:1.55; color:var(--green); }
.news-body p { font-size:14px; color:var(--ink-2); line-height:1.8; flex:1; }

/* ---------- FAQ ---------- */
.faq { max-width:860px; margin:0 auto; }
.faq-item { border-bottom:1px solid var(--line); }
.faq-q {
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:24px 0; text-align:left; font-size:16.5px; font-weight:600; color:var(--green);
}
.faq-q i {
  flex:none; width:26px; height:26px; border-radius:50%; border:1.5px solid var(--line);
  display:flex; align-items:center; justify-content:center; position:relative;
  transition:all .3s var(--ease);
}
.faq-q i::before, .faq-q i::after {
  content:""; position:absolute; background:var(--green); transition:transform .3s var(--ease);
}
.faq-q i::before { width:11px; height:1.6px; }
.faq-q i::after  { width:1.6px; height:11px; }
.faq-item.on .faq-q i { background:var(--green); border-color:var(--green); }
.faq-item.on .faq-q i::before, .faq-item.on .faq-q i::after { background:#fff; }
.faq-item.on .faq-q i::after { transform:scaleY(0); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .42s var(--ease); }
.faq-a p { padding:0 0 24px; font-size:15px; color:var(--ink-2); line-height:1.95; }

/* ---------- CTA ---------- */
.cta-band { position:relative; padding:96px 0; overflow:hidden; background:var(--green-deep); }
.cta-band img.bg { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.26; }
.cta-band::after {
  content:""; position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(12,30,22,.95), rgba(12,30,22,.72));
}
.cta-inner { position:relative; z-index:2; text-align:center; color:#fff; }
.cta-inner h2 { font-size:clamp(26px,3.4vw,40px); color:#fff; }
.cta-inner p { margin-top:16px; color:rgba(255,255,255,.76); font-size:16.5px; }
.cta-btns { margin-top:36px; display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.cta-tel { margin-top:26px; font-size:clamp(24px,3.4vw,36px); font-weight:700; color:var(--gold); letter-spacing:.02em; }

/* ============================================================
   页脚
   ============================================================ */
.foot { background:var(--green-deep); color:rgba(255,255,255,.66); padding:74px 0 0; }
.foot-grid { display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:44px; padding-bottom:52px; }
.foot-brand img { height:46px; width:auto; margin-bottom:20px; }
.foot-brand p { font-size:14px; line-height:1.9; max-width:30em; }
.foot h5 { color:#fff; font-size:15px; font-weight:600; margin-bottom:20px; letter-spacing:.04em; }
.foot ul { list-style:none; display:grid; gap:11px; }
.foot ul a { font-size:14px; transition:color .25s; }
.foot ul a:hover { color:var(--gold); }
.foot-contact { font-size:14px; line-height:2; }
.foot-contact b { color:#fff; font-weight:600; }
.foot-contact .big { display:block; font-size:26px; font-weight:700; color:var(--gold); margin:6px 0 14px; letter-spacing:.02em; }
.foot-bar {
  border-top:1px solid rgba(255,255,255,.1); padding:22px 0;
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:13px;
}
.foot-bar a:hover { color:var(--gold); }

/* ---------- 悬浮工具条（移动） ---------- */
.mbar {
  display:none; position:fixed; left:0; right:0; bottom:0; z-index:98;
  background:var(--paper); border-top:1px solid var(--line);
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  box-shadow:0 -4px 20px rgba(22,32,27,.07);
}
.mbar-in { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.mbar .btn { width:100%; height:46px; }

/* ---------- 滚动渐入 ---------- */
.reveal { opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity:1; transform:none; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1100px) {
  .prods { grid-template-columns:repeat(2,1fr); }
  .cards { grid-template-columns:repeat(2,1fr); }
  .foot-grid { grid-template-columns:1fr 1fr; gap:36px; }
}

@media (max-width:960px) {
  .wrap, .wrap-narrow { padding:0 24px; }
  .menu, .nav-phone { display:none; }
  .burger { display:flex; }
  .sec { padding:76px 0; }
  .split { grid-template-columns:1fr; gap:44px; }
  .split-badge { right:14px; bottom:14px; }
  .cases { grid-template-columns:repeat(2,1fr); }
  .news { grid-template-columns:1fr; }
  .news-item { flex-direction:row; }
  .news-pic { width:210px; flex:none; aspect-ratio:auto; }
  .flow { grid-template-columns:1fr; gap:34px; }
  .flow-item::before { display:none; }
  .flow-item { text-align:left; display:grid; grid-template-columns:60px 1fr; gap:20px; align-items:start; }
  .flow-num { margin:0; }
  .hero { min-height:auto; }
  .hero-inner { padding:132px 0 120px; }
  .stats { grid-template-columns:repeat(2,1fr); }
}

@media (max-width:640px) {
  body { font-size:15px; }
  .wrap, .wrap-narrow { padding:0 18px; }
  .sec { padding:60px 0; }
  .sec-head { margin-bottom:38px; }
  .hero-inner { padding:112px 0 108px; }
  .hero-cta .btn { width:100%; }
  .hero-strip .wrap { padding-top:16px; padding-bottom:16px; gap:10px; }
  .hs-item span { font-size:11px; }
  .prods, .cards, .cases { grid-template-columns:1fr; }
  .stats { grid-template-columns:repeat(2,1fr); }
  .form-card { padding:26px 20px; }
  .form-row { grid-template-columns:1fr; }
  .news-item { flex-direction:column; }
  .news-pic { width:100%; aspect-ratio:16/10; }
  .foot-grid { grid-template-columns:1fr; gap:30px; padding-bottom:36px; }
  .foot-bar { flex-direction:column; gap:8px; }
  .mbar { display:block; }
  body { padding-bottom:66px; }
  .cta-band { padding:70px 0; }
}

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

/* ============================================================
   内页组件
   ============================================================ */

/* ---------- 内页页头 ---------- */
.page-head {
  position:relative; padding:132px 0 76px; background:var(--green);
  overflow:hidden; color:#fff;
}
.page-head::before {
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(1100px 420px at 78% 8%, rgba(200,164,107,.20), transparent 62%),
    radial-gradient(700px 340px at 8% 92%, rgba(200,164,107,.12), transparent 60%);
}
.page-head::after {
  content:""; position:absolute; right:-80px; top:-60px; width:420px; height:420px;
  border:1px solid rgba(255,255,255,.08); border-radius:50%;
}
.page-head .wrap { position:relative; z-index:2; }
.page-head h1 { font-size:clamp(28px,4vw,46px); color:#fff; }
.page-head p { margin-top:16px; color:rgba(255,255,255,.74); font-size:16.5px; max-width:44em; line-height:1.9; }
.crumb { display:flex; gap:10px; align-items:center; font-size:13px; color:rgba(255,255,255,.55); margin-bottom:18px; }
.crumb a:hover { color:var(--gold); }
.crumb i { font-style:normal; opacity:.5; }

/* ---------- 系列详情 ---------- */
.series { display:grid; gap:80px; }
.series-item { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; scroll-margin-top:96px; }
.series-item:nth-child(even) .series-pic { order:2; }
.series-pic { border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow-lg); position:relative; }
.series-pic img { width:100%; aspect-ratio:4/3; object-fit:cover; }
.series-code {
  position:absolute; left:0; top:0; z-index:2;
  background:var(--green); color:var(--gold);
  font-size:12px; letter-spacing:.2em; font-weight:700;
  padding:10px 18px; border-bottom-right-radius:var(--r);
}
.series-body h2 { font-size:clamp(24px,2.8vw,34px); color:var(--green); margin-bottom:6px; }
.series-en { font-size:12px; letter-spacing:.24em; color:var(--gold); text-transform:uppercase; font-weight:600; }
.series-desc { margin:18px 0 24px; color:var(--ink-2); font-size:15.5px; line-height:1.9; }
.spec { display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border-radius:var(--r); overflow:hidden; border:1px solid var(--line); }
.spec div { background:var(--paper); padding:16px 18px; }
.spec dt { font-size:12px; color:var(--ink-3); margin-bottom:3px; }
.spec dd { font-size:15px; color:var(--green); font-weight:600; }
.series-fit { margin-top:20px; padding:16px 20px; background:var(--paper-3); border-left:3px solid var(--gold); border-radius:0 var(--r-sm) var(--r-sm) 0; font-size:14.5px; color:var(--ink-2); }
.series-fit b { color:var(--green); }

/* ---------- 对比表 ---------- */
.tbl-wrap { overflow-x:auto; border-radius:var(--r); border:1px solid var(--line); background:var(--paper); box-shadow:var(--shadow-sm); }
table.tbl { width:100%; border-collapse:collapse; min-width:640px; }
table.tbl th, table.tbl td { padding:17px 22px; text-align:left; font-size:14.5px; border-bottom:1px solid var(--line); }
table.tbl thead th { background:var(--green); color:#fff; font-weight:600; font-size:14px; letter-spacing:.03em; }
table.tbl thead th:first-child { border-radius:var(--r) 0 0 0; }
table.tbl thead th:last-child { border-radius:0 var(--r) 0 0; }
table.tbl tbody th { font-weight:600; color:var(--green); background:var(--paper-3); width:24%; }
table.tbl tbody tr:last-child th, table.tbl tbody tr:last-child td { border-bottom:none; }
table.tbl td.hi { background:var(--gold-soft); font-weight:600; color:var(--green); }
.tick { color:var(--green); font-weight:700; }
.cross { color:var(--ink-3); }

/* ---------- 流程详解 ---------- */
.steps { display:grid; gap:0; }
.step { display:grid; grid-template-columns:110px 1fr 320px; gap:40px; padding:38px 0; border-bottom:1px solid var(--line); align-items:start; }
.step:last-child { border-bottom:none; }
.step-n { font-size:52px; font-weight:700; color:var(--gold); line-height:1; opacity:.42; }
.step-b h3 { font-size:20px; color:var(--green); margin-bottom:12px; }
.step-b p { color:var(--ink-2); font-size:15px; line-height:1.9; }
.step-b ul { margin-top:14px; display:grid; gap:8px; }
.step-b ul li { list-style:none; display:flex; gap:10px; font-size:14px; color:var(--ink-2); }
.step-b ul li::before { content:""; flex:none; width:5px; height:5px; border-radius:50%; background:var(--gold); margin-top:9px; }
.step-s { background:var(--paper-3); border-radius:var(--r); padding:22px 24px; }
.step-s h5 { font-size:12px; letter-spacing:.14em; color:var(--ink-3); font-weight:600; margin-bottom:14px; }
.step-s dl { display:grid; gap:10px; }
.step-s dl div { display:flex; justify-content:space-between; gap:14px; font-size:14px; }
.step-s dt { color:var(--ink-3); }
.step-s dd { color:var(--green); font-weight:600; text-align:right; }

/* ---------- 大事记 ---------- */
.timeline { position:relative; padding-left:34px; }
.timeline::before { content:""; position:absolute; left:8px; top:8px; bottom:8px; width:1px; background:var(--line); }
.tl-item { position:relative; padding-bottom:34px; }
.tl-item:last-child { padding-bottom:0; }
.tl-item::before {
  content:""; position:absolute; left:-30px; top:7px; width:11px; height:11px;
  border-radius:50%; background:var(--paper); border:2px solid var(--gold);
}
.tl-year { font-size:14px; font-weight:700; color:var(--gold); letter-spacing:.06em; }
.tl-item h4 { font-size:17px; color:var(--green); margin:5px 0 6px; }
.tl-item p { font-size:14.5px; color:var(--ink-2); line-height:1.8; }

/* ---------- 团队 / 理念 ---------- */
.values { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.value {
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:34px 30px; text-align:center; transition:all .38s var(--ease);
}
.value:hover { transform:translateY(-5px); box-shadow:var(--shadow); border-color:transparent; }
.value .v-ico {
  width:58px; height:58px; margin:0 auto 20px; border-radius:50%;
  background:var(--green-soft); color:var(--green);
  display:flex; align-items:center; justify-content:center;
}
.value .v-ico svg { width:26px; height:26px; }
.value h4 { font-size:18px; color:var(--green); margin-bottom:10px; }
.value p { font-size:14.5px; color:var(--ink-2); line-height:1.85; }

/* ---------- 联系 ---------- */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
.info-list { display:grid; gap:22px; margin-top:8px; }
.info-row { display:flex; gap:16px; align-items:flex-start; }
.info-row .i-ico {
  flex:none; width:44px; height:44px; border-radius:11px; background:var(--green-soft);
  color:var(--green); display:flex; align-items:center; justify-content:center;
}
.info-row .i-ico svg { width:21px; height:21px; }
.info-row h5 { font-size:13px; color:var(--ink-3); font-weight:500; margin-bottom:3px; }
.info-row p { font-size:16px; color:var(--green); font-weight:600; line-height:1.6; }
.info-row p a { color:var(--gold); }

.map-box {
  margin-top:28px; border-radius:var(--r); overflow:hidden;
  border:1px solid var(--line); background:var(--paper-3);
  padding:26px; font-size:14.5px; color:var(--ink-2); line-height:1.9;
}

/* ---------- 文章列表 ---------- */
.post-list { display:grid; gap:0; }
.post {
  display:grid; grid-template-columns:260px 1fr; gap:32px;
  padding:30px 0; border-bottom:1px solid var(--line); align-items:center;
  transition:background .3s var(--ease);
}
.post:first-child { padding-top:0; }
.post-pic { border-radius:var(--r); overflow:hidden; aspect-ratio:16/10; }
.post-pic img { width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease); }
.post:hover .post-pic img { transform:scale(1.06); }
.post-cat { font-size:12px; letter-spacing:.14em; color:var(--gold); font-weight:600; }
.post h3 { font-size:19px; color:var(--green); margin:8px 0 10px; line-height:1.55; }
.post:hover h3 { color:var(--gold); }
.post p { font-size:14.5px; color:var(--ink-2); line-height:1.85; }
.post-meta { margin-top:12px; font-size:12.5px; color:var(--ink-3); }

@media (max-width:960px) {
  .series-item, .series-item:nth-child(even) .series-pic { grid-template-columns:1fr; }
  .series-item:nth-child(even) .series-pic { order:0; }
  .series { gap:56px; }
  .step { grid-template-columns:70px 1fr; gap:22px; }
  .step-s { grid-column:2; }
  .values { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; gap:40px; }
  .post { grid-template-columns:1fr; gap:18px; }
  .page-head { padding:108px 0 56px; }
}
@media (max-width:640px) {
  .step { grid-template-columns:1fr; gap:14px; }
  .step-n { font-size:38px; }
  .step-s { grid-column:1; }
  .spec { grid-template-columns:1fr; }
}


/* ---------- 站群互链横条 ---------- */
.sitenav { display:flex; flex-wrap:wrap; align-items:center; gap:10px 14px;
  padding:18px 0; border-top:1px solid rgba(255,255,255,.10); }
.sitenav__lb { font-size:12.5px; color:rgba(255,255,255,.45); letter-spacing:.5px;
  display:inline-flex; align-items:center; gap:9px; margin-right:6px; }
.sitenav__lb::before { content:""; width:14px; height:2px; background:var(--gold); }
.sitenav a { display:inline-flex; align-items:baseline; gap:8px; padding:7px 14px;
  border-radius:999px; font-size:13.5px; font-weight:600; text-decoration:none;
  color:rgba(255,255,255,.88); border:1px solid rgba(255,255,255,.13);
  background:rgba(255,255,255,.035);
  transition:border-color .18s ease, background .18s ease, color .18s ease; }
.sitenav a span { font-size:11.5px; font-weight:400; color:rgba(255,255,255,.42); }
.sitenav a:hover { color:#fff; border-color:rgba(200,164,107,.65); background:rgba(255,255,255,.075); }
.sitenav a:hover span { color:var(--gold); }
@media (max-width:640px){
  .sitenav a { width:100%; justify-content:space-between; }
  .sitenav__lb { width:100%; margin-right:0; }
}