/* ============================================================
   敦煌五色沙疗 · 品牌官方首页样式
   home.css — 2026-10 首页升级版
   配色：沙金 / 赭红(印章) / 石青 / 墨棕 / 宣纸米白
   ============================================================ */

:root {
  --sand:        #B98A45;   /* 沙金 主色 */
  --sand-deep:   #9A6F33;   /* 深沙金 */
  --seal:        #A63D2F;   /* 印章赭红 */
  --qing:        #3E6B64;   /* 石青(敦煌青绿) */
  --ink:         #2B2118;   /* 墨棕 */
  --ink-soft:    #4A3B2C;   /* 棕褐 */
  --paper:       #F7F3EC;   /* 宣纸米白 */
  --paper-deep:  #EFE8DB;   /* 深宣纸 */
  --line:        #E2D7C3;   /* 浅金分隔线 */
  --text:        #3A3226;   /* 正文 */
  --text-soft:   #7C6F5D;   /* 弱文字 */
  --serif: "Noto Serif SC","Source Han Serif SC","STZhongsong","STSong","SimSun",serif;
  --sans:  "Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--paper);
  font-size: 15px;
  line-height: 1.8;
  overflow-x: hidden;
}
a { color:inherit; text-decoration:none; transition:all .3s; }
a:hover { color: var(--sand-deep); text-decoration:none; }
img { max-width:100%; border:0; display:block; }
ul,li { list-style:none; }
.clear { clear:both; }

/* ---------- 通用容器与章节标题 ---------- */
.wrap { width:100%; max-width:1200px; margin:0 auto; padding:0 20px; }
section { position:relative; }

.sec-head { text-align:center; margin-bottom:52px; }
.sec-head .sec-en {
  font-size:12px; letter-spacing:6px; text-transform:uppercase;
  color:var(--sand); font-family:var(--sans); margin-bottom:10px;
}
.sec-head h2 {
  font-family:var(--serif); font-size:36px; font-weight:700;
  color:var(--ink); letter-spacing:8px;
}
.sec-head .sec-line {
  width:66px; height:2px; background:var(--sand);
  margin:18px auto 0; position:relative;
}
.sec-head .sec-line::before,
.sec-head .sec-line::after {
  content:""; position:absolute; top:-2px; width:6px; height:6px;
  background:var(--seal); border-radius:50%;
}
.sec-head .sec-line::before { left:-14px; }
.sec-head .sec-line::after  { right:-14px; }
.sec-head p.sec-sub { margin-top:14px; color:var(--text-soft); font-size:14px; letter-spacing:2px; }

.on-dark .sec-head h2 { color:#F5EFE3; }
.on-dark .sec-head p.sec-sub { color:#C9BBA4; }

/* ---------- 滚动进场动画（初始态统一由 body.dh-js 提供，防 JS 失效白屏） ---------- */
.reveal { transition:opacity .9s ease, transform .9s ease; }
.reveal.d1 { transition-delay:.12s; }
.reveal.d2 { transition-delay:.24s; }
.reveal.d3 { transition-delay:.36s; }
.reveal.d4 { transition-delay:.48s; }
.reveal.show { opacity:1; transform:none; }

/* ============================================================
   顶部导航
   ============================================================ */
.navbar-dh {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  transition:all .4s ease;
  background:linear-gradient(to bottom, rgba(20,14,8,.55), rgba(20,14,8,0));
  padding:12px 0;
}
.navbar-dh .wrap { max-width:1480px; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.brand { display:flex; align-items:center; gap:13px; }
.brand img.brand-seal {
  width:54px; height:auto;
  filter:drop-shadow(0 1px 4px rgba(0,0,0,.35));
}
.brand .brand-name {
  font-family:var(--serif); color:#fff; line-height:1.3; white-space:nowrap;
}
.brand .brand-name b { display:block; font-size:19px; letter-spacing:5px; font-weight:700; }
.brand .brand-name i { display:block; font-style:normal; font-size:8.5px; letter-spacing:2.1px; color:rgba(255,255,255,.72); text-transform:uppercase; margin-top:2px; }
.nav-menu { display:flex; align-items:center; gap:2px; }
.nav-menu > li { position:relative; }
.nav-menu > li > a {
  display:block; padding:12px 15px; color:rgba(255,255,255,.92);
  font-size:15px; letter-spacing:2.5px; white-space:nowrap;
}
.nav-menu > li > a::after {
  content:""; position:absolute; left:50%; bottom:2px; transform:translateX(-50%);
  width:0; height:2px; background:var(--sand); transition:width .3s;
}
.nav-menu > li:hover > a::after,
.nav-menu > li.active > a::after { width:24px; }
.nav-menu > li:hover > a,
.nav-menu > li.active > a { color:#fff; }
.nav-hotline {
  margin-left:18px; padding:8px 18px;
  border:1px solid rgba(255,255,255,.45); border-radius:999px;
  color:#fff; font-size:13px; letter-spacing:1px; white-space:nowrap;
}
.nav-hotline b { font-size:15px; letter-spacing:.5px; }

/* 导航滚动态：白底墨字 */
.navbar-dh.scrolled {
  background:rgba(252,250,245,.96);
  box-shadow:0 2px 18px rgba(43,33,24,.12);
  padding:6px 0;
  border-bottom:1px solid var(--line);
}
.navbar-dh.scrolled .brand .brand-name b { color:var(--ink); }
.navbar-dh.scrolled .brand .brand-name i { color:var(--sand-deep); }
.navbar-dh.scrolled .nav-menu > li > a { color:var(--ink); }
.navbar-dh.scrolled .nav-menu > li:hover > a,
.navbar-dh.scrolled .nav-menu > li.active > a { color:var(--seal); }
.navbar-dh.scrolled .nav-hotline { border-color:var(--sand); color:var(--sand-deep); }

/* 移动端汉堡 */
.burger { display:none; width:40px; height:40px; border:1px solid rgba(255,255,255,.5); border-radius:4px; cursor:pointer; position:relative; }
.burger span { position:absolute; left:9px; right:9px; height:2px; background:#fff; transition:all .3s; }
.burger span:nth-child(1){ top:12px; } .burger span:nth-child(2){ top:19px; } .burger span:nth-child(3){ top:26px; }
.navbar-dh.scrolled .burger { border-color:var(--line); }
.navbar-dh.scrolled .burger span { background:var(--ink); }

/* ============================================================
   Hero 首屏
   ============================================================ */
.hero {
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  text-align:center; position:relative; overflow:hidden;
  background:#1D150C;
}
.hero .hero-bg {
  position:absolute; inset:0;
  background:url("../images/dh/hero-bg.jpg") center/cover no-repeat;
  animation:heroZoom 18s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform:scale(1); } to { transform:scale(1.09); } }
.hero .hero-mask {
  position:absolute; inset:0;
  background:linear-gradient(to bottom,
    rgba(24,16,8,.62) 0%, rgba(24,16,8,.42) 42%, rgba(24,16,8,.66) 100%);
}
.hero .hero-inner { position:relative; z-index:2; padding:110px 20px 130px; max-width:960px; }
.hero .hero-tag {
  display:inline-block; padding:7px 26px; margin-bottom:30px;
  border:1px solid rgba(233,215,180,.55); border-radius:999px;
  color:#EBD7B4; font-size:14px; letter-spacing:6px;
  background:rgba(0,0,0,.14);
}
.hero h1 {
  font-family:var(--serif); color:#fff; font-weight:700;
  font-size:66px; letter-spacing:18px; text-indent:18px;
  text-shadow:0 4px 26px rgba(0,0,0,.45);
}
.hero .hero-divider {
  width:340px; max-width:70%; height:22px; margin:26px auto;
  position:relative;
}
.hero .hero-divider::before {
  content:""; position:absolute; left:0; right:0; top:50%; height:1px;
  background:linear-gradient(to right, transparent, rgba(233,215,180,.85), transparent);
}
.hero .hero-divider::after {
  content:"❖"; position:absolute; left:50%; top:50%; transform:translate(-50%,-52%);
  color:var(--sand); font-size:15px; background:transparent;
}
.hero .hero-sub {
  color:rgba(255,248,235,.94); font-size:19px; letter-spacing:5px;
  font-family:var(--serif);
}
.hero .hero-note {
  margin-top:12px; color:rgba(255,248,235,.66); font-size:14px; letter-spacing:3px;
}
.hero .hero-btns { margin-top:44px; display:flex; gap:22px; justify-content:center; flex-wrap:wrap; }
.btn-dh {
  display:inline-block; padding:14px 46px; font-size:15px; letter-spacing:4px;
  border:1px solid #E9D7B4; color:#F5EFE3; border-radius:2px;
  background:rgba(0,0,0,.12); transition:all .35s;
}
.btn-dh:hover { background:rgba(233,215,180,.92); color:var(--ink); border-color:transparent; }
.btn-dh.solid { background:var(--seal); border-color:var(--seal); color:#fff; }
.btn-dh.solid:hover { background:#8F3021; color:#fff; }

/* Hero 底部数据条 */
.hero-stats {
  position:absolute; left:0; right:0; bottom:0; z-index:3;
  background:linear-gradient(to bottom, rgba(18,12,6,0), rgba(18,12,6,.72));
  padding:20px 0 24px;
}
.hero-stats .wrap { display:flex; justify-content:center; gap:0; }
.hstat { flex:1; max-width:230px; text-align:center; padding:0 10px; position:relative; }
.hstat + .hstat::before {
  content:""; position:absolute; left:0; top:12%; bottom:12%; width:1px;
  background:rgba(233,215,180,.28);
}
.hstat .num { font-family:var(--serif); color:#EBD7B4; font-size:34px; font-weight:700; line-height:1.2; }
.hstat .num small { font-size:15px; font-weight:400; margin-left:3px; color:rgba(235,215,180,.85); }
.hstat .lab { color:rgba(255,248,235,.72); font-size:13px; letter-spacing:2px; margin-top:4px; }

.scroll-hint {
  position:absolute; left:50%; bottom:150px; transform:translateX(-50%); z-index:4;
  color:rgba(255,248,235,.55); font-size:11px; letter-spacing:4px; text-align:center;
}
.scroll-hint::after {
  content:""; display:block; width:1px; height:26px; margin:6px auto 0;
  background:linear-gradient(to bottom, rgba(255,248,235,.7), transparent);
  animation:hintDrop 1.8s ease-in-out infinite;
}
@keyframes hintDrop { 0%{transform:scaleY(0); transform-origin:top;} 55%{transform:scaleY(1); transform-origin:top;} 56%{transform-origin:bottom;} 100%{transform:scaleY(0); transform-origin:bottom;} }

/* ============================================================
   关于我们
   ============================================================ */
.sec-about { padding:100px 0 96px; background:var(--paper); }
.about-grid { display:flex; gap:56px; align-items:center; }
.about-pic { flex:0 0 44%; position:relative; }
.about-pic .pic-main {
  border-radius:4px; overflow:hidden;
  box-shadow:0 24px 60px rgba(74,59,44,.22);
}
.about-pic .pic-main img { width:100%; }
.about-pic .pic-frame {
  position:absolute; inset:-16px 16px 16px -16px;
  border:1px solid var(--sand); border-radius:4px; z-index:-1; opacity:.65;
}
.about-pic .pic-seal {
  position:absolute; right:-18px; bottom:-18px; width:92px; height:92px;
  background:var(--seal); border-radius:6px; color:#fff;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  font-family:var(--serif); line-height:1.5; letter-spacing:2px;
  box-shadow:0 10px 26px rgba(166,61,47,.4);
}
.about-pic .pic-seal b { font-size:20px; }
.about-pic .pic-seal i { font-style:normal; font-size:11px; opacity:.85; }
.about-txt { flex:1; }
.about-txt .en-line {
  font-size:12px; letter-spacing:5px; color:var(--sand); text-transform:uppercase; margin-bottom:8px;
}
.about-txt h3 {
  font-family:var(--serif); font-size:32px; color:var(--ink);
  letter-spacing:5px; margin-bottom:6px;
}
.about-txt h3 span { color:var(--sand-deep); }
.about-txt .sub {
  color:var(--text-soft); font-size:14px; letter-spacing:2px; margin-bottom:22px;
}
.about-txt p.desc { margin-bottom:14px; text-align:justify; color:var(--text); }
.about-points { margin:22px 0 30px; display:flex; flex-direction:column; gap:10px; }
.about-points li { padding-left:26px; position:relative; color:var(--ink-soft); font-size:14.5px; letter-spacing:1px; }
.about-points li::before {
  content:""; position:absolute; left:2px; top:11px;
  width:9px; height:9px; background:var(--sand); transform:rotate(45deg);
}
.btn-more {
  display:inline-block; padding:12px 42px; border:1px solid var(--sand);
  color:var(--sand-deep); font-size:14px; letter-spacing:4px; border-radius:2px;
}
.btn-more:hover { background:var(--sand); border-color:var(--sand); color:#fff; }

/* ============================================================
   沙疗文化（深棕 + 壁画 + 五色沙）
   ============================================================ */
.sec-culture {
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(185,138,69,.16), transparent 60%),
    linear-gradient(160deg, #2E2318 0%, #241A10 100%);
  padding:100px 0 96px; color:#E8DFCE; overflow:hidden;
}
.culture-grid { display:flex; gap:60px; align-items:center; }
.culture-pic { flex:0 0 40%; position:relative; }
.culture-pic img {
  border-radius:4px; box-shadow:0 26px 70px rgba(0,0,0,.5);
}
.culture-pic .pic-cap {
  margin-top:14px; text-align:center; font-size:12.5px; color:#B9A88C; letter-spacing:2px;
}
.culture-txt { flex:1; }
.culture-txt h3 {
  font-family:var(--serif); font-size:32px; color:#F5EFE3; letter-spacing:6px; margin-bottom:6px;
}
.culture-txt .en { font-size:12px; letter-spacing:5px; color:var(--sand); text-transform:uppercase; margin-bottom:20px; }
.culture-txt p { margin-bottom:14px; color:#D8CDB8; text-align:justify; }
.culture-txt p b { color:#EBD7B4; font-weight:600; }

.wuse { margin-top:30px; }
.wuse .wuse-title { font-size:13px; letter-spacing:3px; color:#B9A88C; margin-bottom:16px; }
.wuse-row { display:flex; gap:18px; flex-wrap:wrap; }
.wuse-item { display:flex; align-items:center; gap:9px; }
.wuse-item .dot {
  width:26px; height:26px; border-radius:50%;
  box-shadow:0 0 0 3px rgba(233,215,180,.15), 0 4px 10px rgba(0,0,0,.4);
}
.wuse-item span { font-size:14px; letter-spacing:2px; color:#E8DFCE; font-family:var(--serif); }
.dot.red   { background:#B23A2E; }
.dot.yellow{ background:#D9A441; }
.dot.green { background:#5B7F5A; }
.dot.white { background:#EDE6D6; }
.dot.black { background:#2A2A2A; border:1px solid #555; }

/* ============================================================
   特色项目
   ============================================================ */
.sec-items { padding:100px 0 100px; background:var(--paper); }
.items-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.item-card {
  background:#FFFDF9; border:1px solid var(--line); border-radius:4px;
  overflow:hidden; transition:all .4s ease; position:relative;
}
.item-card:hover {
  transform:translateY(-8px);
  box-shadow:0 22px 46px rgba(74,59,44,.18);
  border-color:var(--sand);
}
.item-card .pic { height:230px; overflow:hidden; }
.item-card .pic img { width:100%; height:100%; object-fit:cover; transition:transform .6s ease; }
.item-card:hover .pic img { transform:scale(1.06); }
.item-card .info { padding:22px 24px 26px; }
.item-card .info h4 {
  font-family:var(--serif); font-size:20px; color:var(--ink); letter-spacing:3px; margin-bottom:8px;
  display:flex; align-items:center; gap:10px;
}
.item-card .info h4::before {
  content:""; width:4px; height:18px; background:var(--seal); border-radius:2px;
}
.item-card .info p { font-size:13.5px; color:var(--text-soft); line-height:1.75; }
.item-card .info .go {
  margin-top:14px; font-size:12.5px; letter-spacing:2px; color:var(--sand-deep);
}
.item-card:hover .info .go { color:var(--seal); }

/* ============================================================
   沙疗培训（浅色沙漠横幅带）
   ============================================================ */
.sec-train {
  position:relative; padding:96px 0; overflow:hidden;
  background:url("../images/dh/train-bg.jpg") center/cover no-repeat fixed;
}
.sec-train::before {
  content:""; position:absolute; inset:0;
  background:linear-gradient(to right, rgba(250,246,238,.96) 0%, rgba(250,246,238,.88) 46%, rgba(250,246,238,.42) 100%);
}
.train-inner { position:relative; max-width:560px; }
.train-inner .en { font-size:12px; letter-spacing:5px; color:var(--sand); text-transform:uppercase; margin-bottom:8px; }
.train-inner h3 {
  font-family:var(--serif); font-size:34px; color:var(--ink); letter-spacing:5px; margin-bottom:8px;
}
.train-inner .sub { color:var(--seal); letter-spacing:2px; font-size:15px; margin-bottom:20px; font-family:var(--serif); }
.train-inner p { color:var(--ink-soft); margin-bottom:14px; text-align:justify; }
.train-nums { display:flex; gap:40px; margin:26px 0 32px; }
.train-nums .tn b {
  display:block; font-family:var(--serif); font-size:38px; color:var(--sand-deep); line-height:1.2;
}
.train-nums .tn b small { font-size:15px; font-weight:400; }
.train-nums .tn span { font-size:13px; color:var(--text-soft); letter-spacing:2px; }
.train-btns { display:flex; gap:18px; flex-wrap:wrap; }
.btn-train {
  display:inline-block; padding:13px 40px; background:var(--seal); color:#fff;
  font-size:14px; letter-spacing:4px; border-radius:2px; border:1px solid var(--seal);
}
.btn-train:hover { background:#8F3021; color:#fff; }
.btn-ghost2 {
  display:inline-block; padding:13px 40px; border:1px solid var(--ink-soft);
  color:var(--ink-soft); font-size:14px; letter-spacing:4px; border-radius:2px;
}
.btn-ghost2:hover { background:var(--ink-soft); color:#fff; }

/* ============================================================
   康复见证
   ============================================================ */
.sec-voice { padding:100px 0; background:var(--paper-deep); }
.voice-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:26px; }
.voice-card {
  background:#FFFDF9; border:1px solid var(--line); border-radius:4px;
  padding:30px 32px; position:relative; transition:all .35s;
}
.voice-card:hover { box-shadow:0 18px 40px rgba(74,59,44,.14); border-color:var(--sand); }
.voice-card .quote {
  position:absolute; right:26px; top:18px; font-family:var(--serif);
  font-size:56px; color:var(--line); line-height:1;
}
.voice-card .tag {
  display:inline-block; padding:4px 14px; border-radius:999px;
  background:rgba(185,138,69,.12); color:var(--sand-deep);
  font-size:12.5px; letter-spacing:2px; margin-bottom:14px;
}
.voice-card h4 { font-family:var(--serif); font-size:19px; color:var(--ink); letter-spacing:2px; margin-bottom:10px; }
.voice-card p { font-size:13.5px; color:var(--text-soft); text-align:justify; }
.voice-card .who { margin-top:16px; font-size:13px; color:var(--sand-deep); letter-spacing:1px; }
.voice-card .who::before { content:"—— "; }

/* ============================================================
   新闻动态
   ============================================================ */
.sec-news { padding:100px 0 104px; background:var(--paper); }
.news-grid { display:grid; grid-template-columns:5fr 6fr; gap:44px; align-items:stretch; }
.news-feat { display:flex; flex-direction:column; }
.news-feat .pic { border-radius:4px; overflow:hidden; box-shadow:0 16px 40px rgba(74,59,44,.16); }
.news-feat .pic img { width:100%; height:300px; object-fit:cover; transition:transform .6s; }
.news-feat:hover .pic img { transform:scale(1.05); }
.news-feat h4 {
  margin-top:20px; font-family:var(--serif); font-size:21px; color:var(--ink);
  letter-spacing:1px; line-height:1.6;
}
.news-feat h4 a:hover { color:var(--seal); }
.news-feat p { margin-top:10px; font-size:13.5px; color:var(--text-soft); text-align:justify; }
.news-feat .date { margin-top:12px; font-size:12.5px; color:var(--sand-deep); letter-spacing:2px; }
.news-list { display:flex; flex-direction:column; }
.news-list li { border-bottom:1px dashed var(--line); }
.news-list a { display:flex; padding:20px 6px; gap:18px; align-items:flex-start; }
.news-list .n-num {
  font-family:var(--serif); font-size:26px; color:var(--sand); line-height:1.3;
  min-width:44px; font-weight:700;
}
.news-list .n-body { flex:1; }
.news-list .n-body h5 {
  font-size:16px; color:var(--ink); font-weight:600; letter-spacing:.5px;
  margin-bottom:6px; line-height:1.5;
  display:-webkit-box; -webkit-line-clamp:1; -webkit-box-orient:vertical; overflow:hidden;
}
.news-list .n-body p {
  font-size:13px; color:var(--text-soft); line-height:1.7;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.news-list a:hover h5 { color:var(--seal); }
.news-more { margin-top:auto; padding-top:22px; text-align:right; }

/* ============================================================
   联系我们
   ============================================================ */
.sec-contact {
  background:
    radial-gradient(900px 420px at 12% 0%, rgba(166,61,47,.14), transparent 55%),
    linear-gradient(150deg, #2E2318, #221910);
  padding:96px 0 88px; color:#E8DFCE;
}
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:56px; }
.contact-info .c-line {
  display:flex; gap:16px; padding:20px 0; border-bottom:1px solid rgba(233,215,180,.14);
}
.contact-info .c-ico {
  flex:0 0 44px; height:44px; border-radius:50%; border:1px solid rgba(233,215,180,.4);
  display:flex; align-items:center; justify-content:center; font-size:18px; color:var(--sand);
}
.contact-info h5 { font-size:15px; color:#F5EFE3; letter-spacing:2px; margin-bottom:4px; font-family:var(--serif); }
.contact-info p { font-size:14px; color:#C9BBA4; line-height:1.7; }
.contact-info p b { color:#EBD7B4; font-size:18px; letter-spacing:1px; }

.c-form label.fld { display:block; margin-bottom:16px; }
.c-form .fld-row { display:flex; gap:16px; }
.c-form .fld-row label.fld { flex:1; }
.c-form input, .c-form textarea {
  width:100%; padding:12px 15px; font-size:14px; letter-spacing:1px;
  background:rgba(255,253,249,.07); color:#F5EFE3;
  border:1px solid rgba(233,215,180,.28); border-radius:2px; outline:none;
  font-family:var(--sans); transition:border .3s;
}
.c-form input::placeholder, .c-form textarea::placeholder { color:#9C8E77; }
.c-form input:focus, .c-form textarea:focus { border-color:var(--sand); background:rgba(255,253,249,.1); }
.c-form textarea { resize:vertical; min-height:110px; }
.c-form .btn-submit {
  width:100%; padding:14px; margin-top:6px; cursor:pointer;
  background:var(--seal); color:#fff; border:none; border-radius:2px;
  font-size:15px; letter-spacing:6px; font-family:var(--sans); transition:background .3s;
}
.c-form .btn-submit:hover { background:#8F3021; }
.c-form-title { font-family:var(--serif); font-size:22px; color:#F5EFE3; letter-spacing:3px; margin-bottom:22px; }
.c-form-title span { font-size:12px; color:var(--sand); letter-spacing:4px; display:block; margin-bottom:6px; font-family:var(--sans); text-transform:uppercase; }

/* ============================================================
   页脚
   ============================================================ */
.dh-footer { background:#1B140C; color:#9C8E77; padding:54px 0 0; }
.dh-footer .f-top { display:flex; gap:40px; justify-content:space-between; flex-wrap:wrap; padding-bottom:38px; }
.dh-footer .f-brand { max-width:340px; }
.dh-footer .f-brand .f-logo { display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.dh-footer .f-brand .f-logo img {
  width:44px; background:#FCFAF5; border-radius:5px; padding:4px;
}
.dh-footer .f-brand .f-logo b { font-family:var(--serif); color:#E8DFCE; font-size:19px; letter-spacing:4px; }
.dh-footer .f-brand p { font-size:13px; line-height:1.9; }
.dh-footer h6 {
  color:#E8DFCE; font-size:15px; letter-spacing:3px; margin-bottom:16px; font-family:var(--serif);
}
.dh-footer .f-col li { margin-bottom:8px; }
.dh-footer .f-col a, .dh-footer .f-col span { font-size:13px; color:#9C8E77; }
.dh-footer .f-col a:hover { color:var(--sand); }
.dh-footer .f-bottom {
  border-top:1px solid rgba(233,215,180,.12); padding:18px 0; text-align:center;
  font-size:12.5px; letter-spacing:1px; color:#7C6F5D;
}
.dh-footer .f-bottom a { color:#9C8E77; }
.dh-footer .f-bottom a:hover { color:var(--sand); }

/* 回到顶部 */
.backtop {
  position:fixed; right:26px; bottom:30px; z-index:900;
  width:46px; height:46px; border-radius:50%;
  background:var(--seal); color:#fff; border:none; cursor:pointer;
  font-size:18px; opacity:0; visibility:hidden; transform:translateY(14px);
  transition:all .35s; box-shadow:0 8px 22px rgba(166,61,47,.4);
}
.backtop.show { opacity:1; visibility:visible; transform:none; }
.backtop:hover { background:#8F3021; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-height: 620px) {
  .scroll-hint { display:none; }
  .hero .hero-inner { padding:96px 20px 140px; }
  .hero .hero-tag { margin-bottom:20px; }
  .hero h1 { font-size:54px; }
  .hero .hero-divider { margin:16px auto; }
  .hero .hero-btns { margin-top:30px; }
}
@media (max-width: 1080px) {
  .hero h1 { font-size:52px; letter-spacing:12px; text-indent:12px; }
}
@media (max-width: 1290px) {
  .nav-menu > li > a { padding:10px 9px; letter-spacing:1px; font-size:14px; }
  .nav-hotline { margin-left:10px; padding:7px 13px; font-size:12px; }
  .nav-hotline b { font-size:14px; }
}
@media (max-width: 900px) {
  .burger { display:block; }
  .nav-hotline { display:none; }
  .nav-menu {
    position:fixed; top:0; right:-280px; width:270px; height:100vh;
    background:#FCFAF5; flex-direction:column; align-items:stretch; gap:0;
    padding:86px 0 30px; box-shadow:-8px 0 30px rgba(0,0,0,.18);
    transition:right .35s ease; z-index:998;
  }
  .nav-menu.open { right:0; }
  .nav-menu > li > a { color:var(--ink) !important; padding:14px 30px; border-bottom:1px solid var(--line); }
  .nav-menu > li > a::after { display:none; }
  .navbar-dh { background:rgba(252,250,245,.96); box-shadow:0 2px 18px rgba(43,33,24,.12); padding:8px 0; border-bottom:1px solid var(--line); }
  .navbar-dh .brand .brand-name b { color:var(--ink); }
  .navbar-dh .brand .brand-name i { color:var(--sand-deep); }
  .burger { border-color:var(--line); }
  .burger span { background:var(--ink); }
  .burger.active span:nth-child(1){ top:19px; transform:rotate(45deg); }
  .burger.active span:nth-child(2){ opacity:0; }
  .burger.active span:nth-child(3){ top:19px; transform:rotate(-45deg); }

  .hero h1 { font-size:40px; letter-spacing:8px; text-indent:8px; }
  .hero .hero-sub { font-size:15px; letter-spacing:3px; }
  .hero-stats { position:static; background:rgba(18,12,6,.85); }
  .hero-stats .wrap { flex-wrap:wrap; }
  .hstat { flex:1 1 40%; margin-bottom:12px; }
  .scroll-hint { display:none; }
  .hero { min-height:auto; }
  .hero .hero-inner { padding:150px 20px 70px; }

  .about-grid, .culture-grid { flex-direction:column; gap:44px; }
  .about-pic { flex:none; width:100%; }
  .culture-pic { flex:none; width:100%; max-width:480px; margin:0 auto; }

  .items-grid { grid-template-columns:repeat(2,1fr); }
  .voice-grid { grid-template-columns:1fr; }
  .news-grid { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; gap:44px; }

  .sec-head h2 { font-size:28px; letter-spacing:5px; }
  .about-txt h3, .culture-txt h3, .train-inner h3 { font-size:26px; }
  .sec-about, .sec-items, .sec-voice, .sec-news { padding:72px 0; }
  .sec-culture, .sec-contact { padding:72px 0; }
  .sec-train { padding:72px 0; background-attachment:scroll; }
  .train-inner { max-width:100%; }
}
@media (max-width: 560px) {
  .hero h1 { font-size:31px; letter-spacing:5px; text-indent:5px; }
  .hero .hero-tag { letter-spacing:3px; font-size:12.5px; padding:6px 18px; }
  .hero .hero-btns .btn-dh { padding:12px 30px; }
  .items-grid { grid-template-columns:1fr; }
  .hstat .num { font-size:26px; }
  .dh-footer .f-top { flex-direction:column; gap:28px; }
  .about-pic .pic-seal { width:74px; height:74px; right:-8px; bottom:-10px; }
  .about-pic .pic-seal b { font-size:16px; }
  .about-pic .pic-seal i { font-size:9.5px; }
  .news-list .n-num { min-width:34px; font-size:22px; }
}

/* ---------- PbootCMS 适配 ---------- */
/* 导航占位：首页 hero 全屏自绘，内页留白（后续内页统一时调整） */
.nav-holder { height:0; }
/* 进场动画渐进增强：初始态只在 JS 就绪（body.dh-js）且未显示时生效（:not(.show) 防特异性对抗） */
body.dh-js .reveal:not(.show) { opacity:0; transform:translateY(36px); }
.reveal.show { opacity:1; transform:none; }
/* 留言表单验证码行 */
.fld-code { display:flex; gap:14px; margin-bottom:16px; }
.fld-code input { flex:1; }
.fld-code img { height:47px; border-radius:2px; cursor:pointer; }

/* ============================================================
   2026-10 首页大气化改版新增
   ============================================================ */

/* ---------- 板块编号水印 ---------- */
.sec-head { position:relative; }
.sec-no {
  position:absolute; left:50%; top:-58px; transform:translateX(-50%);
  font-family:var(--serif); font-size:88px; font-weight:700; line-height:1;
  color:rgba(185,138,69,.10); letter-spacing:0; pointer-events:none; user-select:none;
  white-space:nowrap;
}
.on-dark .sec-no { color:rgba(233,215,180,.08); }
.sec-head h2 { font-size:40px; }

/* ---------- 通用节奏加大 ---------- */
.sec-about, .sec-items, .sec-voice, .sec-news { padding:118px 0; }
.sec-culture, .sec-contact { padding:118px 0; }
.sec-train { padding:110px 0; }

/* ---------- 关于我们：理念方印四卡 ---------- */
.about-values {
  margin-top:70px; display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
}
.value-card {
  background:#FFFDF9; border:1px solid var(--line); border-radius:4px;
  padding:34px 26px 30px; text-align:center; position:relative;
  transition:all .35s;
}
.value-card:hover { transform:translateY(-6px); box-shadow:0 18px 40px rgba(74,59,44,.14); border-color:var(--sand); }
.value-card .seal {
  width:56px; height:56px; margin:0 auto 18px; border-radius:6px;
  background:var(--seal); color:#fff; font-family:var(--serif);
  display:flex; align-items:center; justify-content:center;
  font-size:24px; font-weight:700; letter-spacing:2px;
  box-shadow:0 8px 20px rgba(166,61,47,.32);
}
.value-card:nth-child(2) .seal { background:var(--sand); box-shadow:0 8px 20px rgba(185,138,69,.32); }
.value-card:nth-child(3) .seal { background:var(--qing); box-shadow:0 8px 20px rgba(62,107,100,.32); }
.value-card:nth-child(4) .seal { background:var(--ink-soft); box-shadow:0 8px 20px rgba(74,59,44,.32); }
.value-card h4 { font-family:var(--serif); font-size:19px; color:var(--ink); letter-spacing:3px; margin-bottom:10px; }
.value-card p { font-size:13px; color:var(--text-soft); line-height:1.8; }

/* ---------- 五色沙色卡 ---------- */
.wuse-cards { display:grid; grid-template-columns:repeat(5,1fr); gap:16px; margin-top:34px; }
.wuse-card {
  background:rgba(255,253,249,.05); border:1px solid rgba(233,215,180,.16);
  border-radius:4px; padding:20px 12px 18px; text-align:center; transition:all .35s;
}
.wuse-card:hover { background:rgba(255,253,249,.09); transform:translateY(-4px); }
.wuse-card .bar { height:52px; border-radius:3px; margin-bottom:14px; box-shadow:0 6px 16px rgba(0,0,0,.35); }
.wuse-card .bar.red    { background:linear-gradient(135deg,#C74A3C,#8F2A20); }
.wuse-card .bar.yellow { background:linear-gradient(135deg,#E0B25B,#B98A2E); }
.wuse-card .bar.green  { background:linear-gradient(135deg,#6E966C,#43633F); }
.wuse-card .bar.white  { background:linear-gradient(135deg,#F7F1E2,#D8CFBA); }
.wuse-card .bar.black  { background:linear-gradient(135deg,#4A4A4A,#151515); }
.wuse-card h5 { font-family:var(--serif); font-size:17px; color:#F5EFE3; letter-spacing:3px; }
.wuse-card span { display:block; margin-top:6px; font-size:12px; color:#B9A88C; letter-spacing:2px; }
/* 旧五色圆点行保留兼容但让位 */
.sec-culture .wuse { display:none; }

/* ---------- 特色项目：bento 大图网格 ---------- */
.sec-items { background:var(--paper-deep); }
.bento {
  display:grid; grid-template-columns:repeat(4,1fr);
  grid-auto-rows:250px; gap:20px;
}
.b-card {
  position:relative; border-radius:5px; overflow:hidden; display:block;
  box-shadow:0 14px 34px rgba(43,33,24,.16);
}
.b-card img {
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transition:transform .7s ease;
}
.b-card::after {
  content:""; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(24,16,8,.82) 0%, rgba(24,16,8,.25) 45%, rgba(24,16,8,.05) 100%);
  transition:background .4s;
}
.b-card:hover img { transform:scale(1.07); }
.b-card:hover::after { background:linear-gradient(to top, rgba(24,16,8,.9) 0%, rgba(24,16,8,.35) 50%, rgba(24,16,8,.12) 100%); }
.b-card .b-info {
  position:absolute; left:0; right:0; bottom:0; z-index:2; padding:22px 24px;
  color:#fff;
}
.b-card .b-info .b-tag {
  display:inline-block; font-size:11px; letter-spacing:3px; color:#EBD7B4;
  border:1px solid rgba(233,215,180,.5); border-radius:999px; padding:2px 12px;
  margin-bottom:10px; background:rgba(0,0,0,.18);
}
.b-card .b-info h4 {
  font-family:var(--serif); font-size:21px; letter-spacing:3px; margin-bottom:6px;
}
.b-card .b-info p {
  font-size:12.5px; color:rgba(255,248,235,.82); line-height:1.7;
  opacity:0; max-height:0; overflow:hidden; transition:all .45s ease;
}
.b-card:hover .b-info p { opacity:1; max-height:66px; }
/* bento 布局由 nth-child 驱动（模板零条件逻辑，规避 {pboot:if} 嵌套坑） */
.bento .b-card:nth-child(1) { grid-column:span 2; grid-row:span 2; }
.bento .b-card:nth-child(1) .b-info h4 { font-size:26px; }
.bento .b-card:nth-child(1) .b-info p { opacity:1; max-height:none; }
.bento .b-card:nth-child(6) { grid-column:span 4; }
.bento .b-card:nth-child(6) .b-info { display:flex; align-items:flex-end; gap:26px; padding-bottom:18px; }
.bento .b-card:nth-child(6) .b-info .b-tag { margin-bottom:0; flex:none; }
.bento .b-card:nth-child(6) .b-info h4 { margin-bottom:0; }
.bento .b-card:nth-child(6) .b-info p { opacity:1; max-height:none; flex:1; margin:0; }

/* ---------- 培训：左右分栏 ---------- */
.train-grid { display:flex; gap:56px; align-items:stretch; }
.train-pic {
  flex:0 0 46%; border-radius:5px; overflow:hidden; position:relative;
  box-shadow:0 24px 60px rgba(43,33,24,.25); min-height:380px;
}
.train-pic img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.train-pic .pic-cap {
  position:absolute; left:0; right:0; bottom:0; padding:16px 22px;
  background:linear-gradient(to top, rgba(24,16,8,.75), transparent);
  color:#F5EFE3; font-size:13px; letter-spacing:2px;
}
.train-body { flex:1; display:flex; flex-direction:column; justify-content:center; }
.train-inner { max-width:none; }

/* ---------- 见证：星级与满意度带 ---------- */
.voice-card .stars { color:#D9A441; font-size:14px; letter-spacing:3px; margin-bottom:12px; }
.voice-card .tag { margin-bottom:10px; }
.voice-nums {
  margin-top:46px; display:flex; justify-content:center; gap:0;
  background:#FFFDF9; border:1px solid var(--line); border-radius:5px;
  padding:26px 0;
}
.voice-nums .vn { flex:1; text-align:center; position:relative; }
.voice-nums .vn + .vn::before {
  content:""; position:absolute; left:0; top:18%; bottom:18%; width:1px; background:var(--line);
}
.voice-nums .vn b { display:block; font-family:var(--serif); font-size:30px; color:var(--sand-deep); }
.voice-nums .vn b small { font-size:14px; font-weight:400; }
.voice-nums .vn span { font-size:12.5px; color:var(--text-soft); letter-spacing:2px; }

/* ---------- 联系我们：预约流程 ---------- */
.contact-steps {
  display:flex; gap:16px; margin-bottom:38px;
}
.cstep {
  flex:1; text-align:center; padding:24px 14px;
  border:1px solid rgba(233,215,180,.2); border-radius:4px;
  background:rgba(255,253,249,.04);
}
.cstep .no {
  width:34px; height:34px; margin:0 auto 12px; border-radius:50%;
  border:1px solid var(--sand); color:var(--sand);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--serif); font-size:16px;
}
.cstep h6 { color:#F5EFE3; font-size:14.5px; letter-spacing:2px; margin-bottom:6px; font-family:var(--serif); }
.cstep p { font-size:12px; color:#C9BBA4; line-height:1.7; }

/* ---------- 响应式（新增部分） ---------- */
@media (max-width:1080px) {
  .about-values { grid-template-columns:repeat(2,1fr); }
  .bento { grid-template-columns:repeat(2,1fr); grid-auto-rows:220px; }
  .bento .b-card:nth-child(1) { grid-column:span 2; }
  .bento .b-card:nth-child(6) { grid-column:span 2; }
  .wuse-cards { grid-template-columns:repeat(5,1fr); gap:10px; }
  }
@media (max-width:900px) {
  .sec-no { font-size:64px; top:-42px; }
  .sec-head h2 { font-size:30px; }
  .about-values { grid-template-columns:repeat(2,1fr); gap:14px; }
  .value-card { padding:24px 16px; }
  .bento { grid-auto-rows:190px; gap:14px; }
  
  
  .train-grid { flex-direction:column; gap:32px; }
  .train-pic { flex:none; min-height:240px; }
  .wuse-cards { grid-template-columns:repeat(3,1fr); }
  .wuse-card:nth-child(4), .wuse-card:nth-child(5) { display:none; }
    .contact-steps { flex-direction:column; }
  .voice-nums { flex-wrap:wrap; }
  .voice-nums .vn { flex:1 1 40%; margin-bottom:10px; }
}
@media (max-width:560px) {
  .bento { grid-template-columns:1fr; grid-auto-rows:200px; }
  .bento .b-card:nth-child(1) { grid-column:span 1; grid-row:span 1; }
  .bento .b-card:nth-child(6) { grid-column:span 1; }
  .about-values { grid-template-columns:1fr; }
  .wuse-cards { grid-template-columns:repeat(2,1fr); }
  .wuse-card:nth-child(3) { display:none; }
}

/* ============================================================
   品牌历程时间轴（1995 / 2018 / 2025）
   ============================================================ */
.sec-history { padding:118px 0 108px; background:var(--paper); }
.timeline {
  position:relative; display:grid; grid-template-columns:repeat(3,1fr);
  gap:36px; margin-top:26px;
}
/* 横贯金线：穿过节点圆心（year 行盒64px + dot上距34px + 圆半径9px ≈ 107px） */
.timeline::before {
  content:""; position:absolute; left:6%; right:6%; top:106px; height:2px;
  background:linear-gradient(to right, transparent, var(--sand) 12%, var(--sand) 88%, transparent);
  opacity:.55;
}
.tl-item { text-align:center; position:relative; }
.tl-item .year {
  font-family:var(--serif); font-size:56px; font-weight:700; color:var(--sand-deep);
  line-height:1.15; letter-spacing:2px;
  text-shadow:0 6px 22px rgba(185,138,69,.22);
}
.tl-item .year small { font-size:18px; font-weight:400; color:var(--text-soft); margin-left:6px; letter-spacing:3px; }
.tl-item .dot {
  width:18px; height:18px; margin:34px auto 30px; border-radius:50%;
  background:var(--seal); position:relative; z-index:2;
  box-shadow:0 0 0 5px var(--paper), 0 0 0 7px rgba(166,61,47,.35), 0 8px 18px rgba(166,61,47,.4);
}
.tl-item h4 {
  font-family:var(--serif); font-size:21px; color:var(--ink); letter-spacing:2px; margin-bottom:10px;
}
.tl-item p { font-size:13.5px; color:var(--text-soft); line-height:1.85; max-width:300px; margin:0 auto; text-align:justify; text-align-last:center; }
.tl-item .tl-tag {
  display:inline-block; margin-bottom:14px; padding:3px 16px; border-radius:999px;
  background:rgba(185,138,69,.12); color:var(--sand-deep); font-size:12px; letter-spacing:3px;
}
@media (max-width:900px) {
  .timeline { grid-template-columns:1fr; gap:44px; }
  .timeline::before { left:50%; right:auto; top:64px; bottom:64px; width:2px; height:auto;
    background:linear-gradient(to bottom, transparent, var(--sand) 12%, var(--sand) 88%, transparent); }
  .tl-item { display:grid; grid-template-columns:120px 1fr; gap:0 22px; text-align:left; align-items:center; }
  .tl-item .year { font-size:40px; grid-column:1; grid-row:1 / span 3; }
  .tl-item .dot { position:absolute; left:calc(50% - 9px); top:50%; margin:0; display:none; }
  .tl-item h4 { grid-column:2; margin-bottom:6px; }
  .tl-item .tl-tag { grid-column:2; justify-self:start; margin-bottom:8px; }
  .tl-item p { grid-column:2; text-align:left; text-align-last:auto; max-width:none; }
}