/* ============ 山湖拾趣 SHANHU JOY 全站样式 ============ */
:root{
  --forest:#2d5a3d;
  --forest-deep:#1e402c;
  --lake:#2f8f83;
  --lake-light:#e3f2ef;
  --sand:#f6f1e7;
  --sand-deep:#efe6d3;
  --coral:#e8734a;
  --coral-light:#fdeee7;
  --sun:#f2b544;
  --ink:#22312a;
  --ink-soft:#5b6b62;
  --card:#ffffff;
  --radius:22px;
  --shadow:0 10px 30px rgba(34,49,42,.08);
  --shadow-hover:0 16px 40px rgba(34,49,42,.14);
  --line:rgba(45,90,61,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;color:var(--ink);background:var(--sand);line-height:1.75}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:14.5px;color:var(--ink)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.mt20{margin-top:20px}.mt40{margin-top:40px}.tac{text-align:center}

/* ============ 导航 ============ */
header.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.logo{display:flex;align-items:center;flex:none}
.logo picture{display:inline-flex;align-items:center}
.logo-mark{height:52px;width:auto;display:block;image-rendering:auto}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-cn{font-size:19px;font-weight:800;color:var(--forest);letter-spacing:2px}
.logo-en{font-size:10px;color:var(--lake);letter-spacing:3.5px;font-weight:600}
.nav-links{display:flex;gap:26px;font-size:15px;font-weight:500}
.nav-links a{color:var(--ink-soft);position:relative;padding:4px 0;transition:color .2s}
.nav-links a:hover{color:var(--forest)}
.nav-links a.active{color:var(--forest);font-weight:700}
.nav-links a.active::after,.nav-links a:hover::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:3px;border-radius:3px;background:var(--coral)}
.nav-right{display:flex;align-items:center;gap:14px;flex:none}
.cart-btn{position:relative;display:flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--forest);padding:8px 16px;border-radius:99px;background:var(--lake-light);transition:background .2s}
.cart-btn:hover{background:#d3ebe6}
.cart-badge{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;padding:0 5px;border-radius:99px;background:var(--coral);color:#fff;font-size:11.5px;font-weight:700;display:flex;align-items:center;justify-content:center}
.nav-cta{background:var(--coral);color:#fff;padding:9px 22px;border-radius:99px;font-size:14.5px;font-weight:600;box-shadow:0 6px 16px rgba(232,115,74,.35);transition:transform .2s}
.nav-cta:hover{transform:translateY(-2px)}

/* ============ 移动端汉堡按钮 + 导航抽屉 ============ */
.nav-toggle{
  display:none;width:42px;height:42px;flex:none;
  background:rgba(45,90,61,.08);border:0;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;margin-left:6px;transition:background .2s;
}
.nav-toggle:hover{background:rgba(45,90,61,.15)}
.nav-toggle span{
  display:block;width:20px;height:2.5px;background:var(--forest);
  border-radius:2px;transition:transform .25s,opacity .25s;
}
.nav-toggle.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

.nav-drawer-mask{
  position:fixed;inset:0;background:rgba(20,30,25,.5);z-index:200;
  opacity:0;pointer-events:none;transition:opacity .28s;
  backdrop-filter:blur(2px);
}
.nav-drawer-mask.show{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:-360px;width:min(340px,86vw);height:100vh;
  background:#fff;z-index:201;transition:right .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;
  box-shadow:-12px 0 40px rgba(34,49,42,.18);
}
.nav-drawer.show{right:0}
.nav-drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 22px;border-bottom:1px solid rgba(45,90,61,.1);
  background:linear-gradient(135deg,var(--lake-light),#fff);
}
.nav-drawer-head .ndh-l{display:flex;align-items:center;gap:12px}
.nav-drawer-head b{font-size:16px;color:var(--forest-deep);font-weight:800;display:block;letter-spacing:1px}
.nav-drawer-head span{font-size:12px;color:var(--ink-soft);display:block;margin-top:1px}
.nav-drawer-close{
  width:36px;height:36px;border:0;background:rgba(45,90,61,.08);
  border-radius:50%;font-size:18px;color:var(--ink-soft);cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .2s;
}
.nav-drawer-close:hover{background:var(--coral);color:#fff;transform:rotate(90deg)}
.nav-drawer-links{flex:1;overflow-y:auto;padding:12px 0}
.nav-drawer-links a{
  display:flex;align-items:center;gap:12px;padding:14px 22px;
  color:var(--ink);font-size:15.5px;font-weight:500;
  border-left:3px solid transparent;transition:all .2s;
}
.nav-drawer-links a:hover{background:var(--lake-light);color:var(--forest)}
.nav-drawer-links a.active{background:var(--lake-light);color:var(--forest);font-weight:700;border-left-color:var(--coral)}
.nav-drawer-links .ndl-num{
  font-family:Georgia,serif;font-size:13px;color:var(--ink-soft);
  font-style:italic;width:24px;
}
.nav-drawer-links .ndl-txt{flex:1;letter-spacing:1px}
.nav-drawer-links .ndl-arrow{color:var(--ink-soft);font-size:14px;transition:transform .2s}
.nav-drawer-links a:hover .ndl-arrow{transform:translateX(4px);color:var(--coral)}
.nav-drawer-foot{
  padding:18px 22px;background:var(--sand);
  border-top:1px solid rgba(45,90,61,.1);
}
.ndf-row{font-size:13px;color:var(--ink-soft);margin-bottom:8px}
.ndf-row b{color:var(--forest);font-weight:700}
.ndf-cta{
  display:block;text-align:center;margin-top:12px;padding:12px;
  background:var(--coral);color:#fff;border-radius:99px;
  font-weight:700;font-size:14.5px;letter-spacing:1px;
  box-shadow:0 6px 16px rgba(232,115,74,.3);
  transition:transform .2s;
}
.ndf-cta:hover{transform:translateY(-2px)}

/* ============ 通用区块 ============ */
section{padding:84px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 52px}
.sec-tag{display:inline-block;color:var(--lake);font-size:13.5px;font-weight:700;letter-spacing:4px;margin-bottom:10px}
.sec-head h2{font-size:clamp(25px,3.1vw,34px);font-weight:800;color:var(--forest-deep);letter-spacing:1px}
.sec-head p{margin-top:12px;color:var(--ink-soft);font-size:15.5px}
.btn{display:inline-block;border-radius:99px;font-weight:600;transition:transform .2s,box-shadow .2s;text-align:center}
.btn-primary{background:var(--forest);color:#fff;padding:13px 32px;font-size:16px;box-shadow:0 8px 22px rgba(45,90,61,.3)}
.btn-primary:hover{transform:translateY(-3px)}
.btn-coral{background:var(--coral);color:#fff;padding:13px 32px;font-size:16px;box-shadow:0 8px 22px rgba(232,115,74,.35)}
.btn-coral:hover{transform:translateY(-3px)}
.btn-ghost{border:2px solid var(--forest);color:var(--forest);padding:11px 30px;font-size:15.5px;transition:all .2s}
.btn-ghost:hover{background:var(--forest);color:#fff}
.btn-sm{padding:7px 18px;font-size:13.5px}

/* ============ 子页横幅 ============ */
.page-banner{background:linear-gradient(140deg,var(--lake-light),var(--sand));padding:64px 0 58px;position:relative;overflow:hidden}
.page-banner h1{font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--forest-deep)}
.page-banner .crumb{font-size:13.5px;color:var(--ink-soft);margin-top:10px}
.page-banner .crumb a{color:var(--lake)}
.breadcrumb{font-size:13px;color:var(--ink-soft);margin-bottom:8px}
.breadcrumb a{color:var(--lake)}

/* ============ 首页 Hero ============ */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--lake-light) 0%,var(--sand) 55%,var(--sand-deep) 100%);padding:78px 0 92px}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid rgba(47,143,131,.3);color:var(--lake);font-size:13px;font-weight:600;padding:6px 16px;border-radius:99px;margin-bottom:20px}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--lake);display:inline-block}
.hero h1{font-size:clamp(32px,4.5vw,50px);line-height:1.28;font-weight:800;color:var(--forest-deep);letter-spacing:1px}
.hero h1 .hl{color:var(--coral)}
.hero-sub{margin-top:18px;font-size:16.5px;color:var(--ink-soft);max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;margin-top:44px;flex-wrap:wrap}
.stat b{font-size:28px;color:var(--forest);font-weight:800}
.stat b em{font-style:normal;color:var(--coral);font-size:17px}
.stat span{display:block;font-size:13px;color:var(--ink-soft);margin-top:2px}
.hero-art svg{width:100%;height:auto;filter:drop-shadow(0 18px 34px rgba(34,49,42,.16))}

/* ============ 产品卡片 ============ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod-card{background:var(--card);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;position:relative;display:flex;flex-direction:column;border:1px solid rgba(45,90,61,.08)}
.prod-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-hover)}
.prod-visual{height:215px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;flex:none}
.prod-visual svg{width:60%;height:60%;transition:transform .35s}
.prod-card:hover .prod-visual svg{transform:scale(1.08) rotate(-3deg)}
.prod-tag{position:absolute;top:13px;left:13px;background:rgba(255,255,255,.94);color:var(--lake);font-size:12px;font-weight:700;padding:3px 11px;border-radius:99px;letter-spacing:1px}
.prod-tag.presale{background:var(--sun);color:#5d4207}
.prod-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.prod-body h3{font-size:18.5px;font-weight:700;color:var(--forest-deep)}
.prod-body .desc{margin-top:7px;font-size:13.5px;color:var(--ink-soft);flex:1}
.price-row{margin-top:12px;display:flex;align-items:baseline;gap:8px}
.price{font-size:22px;font-weight:800;color:var(--coral)}
.price em{font-style:normal;font-size:13px}
.price-orig{font-size:13px;color:#b0a893;text-decoration:line-through}
.prod-specs{margin-top:10px;display:flex;gap:7px;flex-wrap:wrap}
.prod-specs span{font-size:11.5px;color:var(--forest);background:rgba(45,90,61,.08);padding:3px 9px;border-radius:6px}
.prod-actions{margin-top:14px;display:flex;gap:10px}
.prod-actions .btn{flex:1}
.sold-out{opacity:.55;pointer-events:none}

/* ============ 场景/优势/流程 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{background:#fff;border-radius:var(--radius);padding:32px 24px;text-align:center;transition:transform .3s,box-shadow .3s}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.scene-icon{width:70px;height:70px;margin:0 auto 16px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.scene-icon svg{width:40px;height:40px}
.scene-card h3{font-size:17px;font-weight:700;color:var(--forest-deep)}
.scene-card p{margin-top:7px;font-size:13px;color:var(--ink-soft)}
.why{background:linear-gradient(135deg,var(--forest) 0%,var(--forest-deep) 100%);color:#fff}
.why .sec-tag{color:var(--sun)}
.why .sec-head h2{color:#fff}
.why .sec-head p{color:rgba(255,255,255,.72)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:30px 24px;transition:background .3s}
.why-card:hover{background:rgba(255,255,255,.13)}
.why-num{font-size:32px;font-weight:800;color:var(--sun);font-family:Georgia,serif}
.why-card h3{margin-top:8px;font-size:17px;font-weight:700}
.why-card p{margin-top:7px;font-size:13px;color:rgba(255,255,255,.75)}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.flow-steps::before{content:"";position:absolute;top:34px;left:12%;right:12%;height:3px;background:repeating-linear-gradient(90deg,var(--lake) 0 14px,transparent 14px 26px)}
.flow-step{text-align:center;padding:0 16px;position:relative}
.flow-dot{width:68px;height:68px;margin:0 auto;border-radius:50%;background:var(--lake-light);display:flex;align-items:center;justify-content:center;position:relative;z-index:1;border:3px solid #fff;box-shadow:0 6px 18px rgba(47,143,131,.25)}
.flow-dot svg{width:34px;height:34px}
.flow-step h3{margin-top:16px;font-size:16.5px;font-weight:700;color:var(--forest-deep)}
.flow-step p{margin-top:7px;font-size:13px;color:var(--ink-soft)}

/* ============ 商城 ============ */
.mall-toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:30px}
.filter-chip{padding:8px 20px;border-radius:99px;background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink-soft);transition:all .2s}
.filter-chip:hover{border-color:var(--lake)}
.filter-chip.active{background:var(--forest);color:#fff;border-color:var(--forest)}
.mall-note{background:var(--coral-light);border:1px dashed rgba(232,115,74,.5);border-radius:14px;padding:14px 20px;font-size:13.5px;color:#a05536;margin-bottom:26px}

/* 购物车抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(20,30,25,.45);z-index:200;opacity:0;pointer-events:none;transition:opacity .25s}
.drawer-mask.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:-420px;width:min(400px,92vw);height:100vh;background:#fff;z-index:201;transition:right .3s;display:flex;flex-direction:column;box-shadow:-12px 0 40px rgba(34,49,42,.18)}
.drawer.show{right:0}
.drawer-head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.drawer-head b{font-size:17px;color:var(--forest-deep)}
.drawer-close{font-size:22px;color:var(--ink-soft);line-height:1}
.drawer-body{flex:1;overflow-y:auto;padding:16px 24px}
.cart-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.cart-thumb{width:64px;height:64px;border-radius:12px;background:var(--sand);flex:none;display:flex;align-items:center;justify-content:center}
.cart-thumb svg{width:70%;height:70%}
.cart-info{flex:1;min-width:0}
.cart-info h4{font-size:14.5px;font-weight:700;color:var(--forest-deep);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cart-info .cprice{font-size:14px;color:var(--coral);font-weight:700}
.qty-row{display:flex;align-items:center;gap:10px;margin-top:6px}
.qty-btn{width:26px;height:26px;border-radius:8px;background:var(--sand);font-size:15px;font-weight:700;color:var(--forest);display:flex;align-items:center;justify-content:center}
.qty-btn:hover{background:var(--lake-light)}
.qty-num{min-width:26px;text-align:center;font-weight:700}
.cart-del{font-size:12.5px;color:#c0392b;margin-left:auto}
.drawer-foot{padding:18px 24px;border-top:1px solid var(--line);background:var(--sand)}
.cart-total-row{display:flex;justify-content:space-between;font-size:15px;margin-bottom:12px}
.cart-total-row b{color:var(--coral);font-size:20px}
.empty-cart{text-align:center;padding:60px 0;color:var(--ink-soft);font-size:14.5px}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(20,30,25,.5);z-index:300;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:24px;max-width:640px;width:100%;max-height:92vh;overflow-y:auto;padding:34px 36px;position:relative;animation:pop .25s}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal-close{position:absolute;top:16px;right:20px;font-size:22px;color:var(--ink-soft);line-height:1}
.modal h3{font-size:21px;color:var(--forest-deep);margin-bottom:6px}
.modal .sub{font-size:13.5px;color:var(--ink-soft);margin-bottom:20px}

/* 表单 */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13.5px;font-weight:700;color:var(--forest-deep);margin-bottom:6px}
.form-group label .req{color:var(--coral)}
.form-control{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fdfcf9;outline:none;transition:border .2s}
.form-control:focus{border-color:var(--lake)}
textarea.form-control{resize:vertical;min-height:90px}
/* 产品图片上传 */
.img-upload{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap}
.img-preview{width:118px;height:118px;border-radius:14px;overflow:hidden;position:relative;background:var(--sand);display:flex;align-items:center;justify-content:center;border:1.5px dashed var(--line)}
.img-preview img{width:100%;height:100%;object-fit:cover;display:block}
.img-preview .img-empty{font-size:11.5px;color:#b0a893;text-align:center;padding:0 8px;line-height:1.6}
.img-preview .img-remove{position:absolute;top:5px;right:5px;background:rgba(0,0,0,.55);color:#fff;border:0;border-radius:8px;font-size:11px;padding:3px 8px;cursor:pointer}
.img-preview .img-remove:hover{background:var(--coral)}
.img-pick{display:inline-flex;align-items:center;gap:6px;background:var(--lake-light);color:var(--lake);font-size:13px;font-weight:700;padding:10px 16px;border-radius:12px;cursor:pointer;border:1.5px solid rgba(47,143,131,.3)}
.img-pick:hover{background:#d8eeea}
.img-pick input[type=file]{display:none}
/* 产品参数表 */
.prod-params{width:100%;border-collapse:collapse;margin:12px 0;border:1px solid rgba(45,90,61,.12);border-radius:12px;overflow:hidden}
.prod-params td{padding:8px 13px;font-size:13px;border-bottom:1px solid rgba(45,90,61,.07)}
.prod-params tr:last-child td{border-bottom:0}
.prod-params td:first-child{width:86px;background:#f7f4ea;color:#8a7f66;font-weight:700}
.prod-params td:last-child{color:var(--ink)}
.prod-sku-line{margin-top:8px;font-size:12px;color:#b0a893;letter-spacing:.5px}
.prod-visual .prod-img{width:100%;height:100%;object-fit:cover;display:block}
.cart-thumb .prod-img{width:100%;height:100%;object-fit:cover;display:block}
.cart-thumb img{border-radius:12px}
.pay-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:6px 0 18px}
.pay-opt{border:2px solid var(--line);border-radius:14px;padding:14px;text-align:center;font-weight:700;font-size:14.5px;color:var(--ink-soft);cursor:pointer;transition:all .2s}
.pay-opt.active{border-color:var(--lake);background:var(--lake-light);color:var(--lake)}
.pay-opt .pay-ico{font-size:20px;display:block;margin-bottom:4px}
.presale-tip{background:#fdf6e3;border:1px dashed var(--sun);border-radius:12px;padding:12px 16px;font-size:13px;color:#8a6d1f;margin-bottom:16px}

/* 订单结果 */
.order-result{text-align:center;padding:20px 0}
.order-result .ok-ico{width:74px;height:74px;margin:0 auto 18px;border-radius:50%;background:var(--lake-light);display:flex;align-items:center;justify-content:center}
.order-result h3{font-size:22px;color:var(--forest-deep)}
.order-result p{font-size:14px;color:var(--ink-soft);margin-top:8px}
.order-no{display:inline-block;margin-top:14px;background:var(--sand);padding:8px 22px;border-radius:99px;font-weight:700;letter-spacing:1px;color:var(--forest)}

/* ============ 视频中心 ============ */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .3s,box-shadow .3s;border:1px solid rgba(45,90,61,.08)}
.video-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-hover)}
.video-poster{height:200px;position:relative;background:linear-gradient(150deg,#2b3a45,#1e2a33);display:flex;align-items:center;justify-content:center}
.video-poster svg{width:52%;height:52%;opacity:.9}
.play-badge{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.play-badge span{width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.play-badge svg{width:22px;height:22px;margin-left:3px}
.video-info{padding:16px 20px 18px}
.video-info h3{font-size:15.5px;font-weight:700;color:var(--forest-deep);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.video-info p{font-size:12.5px;color:var(--ink-soft);margin-top:4px}
.video-modal video{width:100%;border-radius:14px;background:#000;max-height:60vh}

/* ============ 资讯 ============ */
.news-list{display:flex;flex-direction:column;gap:22px}
.news-item{background:#fff;border-radius:var(--radius);padding:28px 32px;display:flex;gap:26px;align-items:flex-start;cursor:pointer;transition:transform .25s,box-shadow .25s;border:1px solid rgba(45,90,61,.08)}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-date{flex:none;width:84px;text-align:center;background:var(--lake-light);border-radius:16px;padding:12px 6px}
.news-date b{display:block;font-size:26px;color:var(--lake);font-weight:800;line-height:1.1}
.news-date span{font-size:12px;color:var(--ink-soft)}
.news-body h3{font-size:18.5px;font-weight:700;color:var(--forest-deep)}
.news-body p{margin-top:8px;font-size:14px;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-detail{max-width:820px;margin:0 auto;background:#fff;border-radius:var(--radius);padding:44px 48px;box-shadow:var(--shadow)}
.news-detail h1{font-size:26px;color:var(--forest-deep)}
.news-detail .meta{font-size:13px;color:var(--ink-soft);margin:12px 0 24px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.news-detail .content p{margin-bottom:16px;font-size:15.5px;color:var(--ink)}

/* ============ 项目案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .3s,box-shadow .3s;border:1px solid rgba(45,90,61,.08);display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-hover)}
.case-cover{height:186px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;flex:none}
.case-cover svg{width:56%;height:56%;transition:transform .35s}
.case-card:hover .case-cover svg{transform:scale(1.07) rotate(-3deg)}
.case-cat{position:absolute;top:13px;left:13px;background:rgba(255,255,255,.94);color:var(--lake);font-size:12px;font-weight:700;padding:3px 11px;border-radius:99px;letter-spacing:1px}
.case-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.case-body h3{font-size:17px;font-weight:700;color:var(--forest-deep);line-height:1.45}
.case-meta{margin-top:8px;display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-soft)}
.case-brief{margin-top:8px;font-size:13.5px;color:var(--ink-soft);flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.case-link{margin-top:12px;font-size:13.5px;color:var(--coral);font-weight:600}
.case-detail .case-cover{background:linear-gradient(140deg,var(--lake-light),var(--sand))}

/* ============ 关于/联系 ============ */
.about-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about-text h2{font-size:clamp(23px,2.9vw,32px);font-weight:800;color:var(--forest-deep)}
.about-text p{margin-top:16px;color:var(--ink-soft);font-size:15px}
.about-visual{background:linear-gradient(150deg,var(--lake-light),#fff);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.about-visual svg{width:100%;height:auto}
.about-quote{margin-top:24px;padding:18px 24px;background:#fff;border-left:5px solid var(--coral);border-radius:12px;font-size:15px;color:var(--forest-deep);font-weight:600;box-shadow:var(--shadow)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.contact-card{background:#fff;border-radius:var(--radius);padding:38px 42px;box-shadow:var(--shadow)}
.contact-card h3{font-size:20px;color:var(--forest-deep);margin-bottom:22px}
.contact-line{display:flex;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:15px}
.contact-line:last-child{border-bottom:none}
.contact-line .k{flex:none;width:86px;color:var(--ink-soft);font-size:13.5px}
.contact-line b{color:var(--forest-deep)}
.msg-ok{background:var(--lake-light);border-radius:12px;padding:14px 18px;color:var(--lake);font-weight:600;font-size:14px;margin-top:14px;display:none}

/* ============ 合作横幅 ============ */
.coop-band{background:var(--coral-light);border-radius:26px;padding:48px 54px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.coop-band h2{font-size:clamp(21px,2.5vw,28px);font-weight:800;color:var(--forest-deep)}
.coop-band p{margin-top:8px;color:var(--ink-soft);font-size:15px;max-width:560px}
.coop-btns{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
footer.site-footer{background:var(--forest-deep);color:rgba(255,255,255,.82);padding:60px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-grid h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:700}
.foot-grid p,.foot-grid a{font-size:13px;color:rgba(255,255,255,.72);display:block;margin-bottom:9px}
.foot-grid a:hover{color:var(--sun)}
.foot-logo{margin-bottom:14px}
.foot-logo .logo-mark{height:64px;width:auto;display:block;filter:drop-shadow(0 1px 2px rgba(0,0,0,.18))}
.foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.55)}

/* ============ 后台 ============ */
body.admin-body{background:#f2f4f3}
.admin-login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--forest),var(--forest-deep));padding:20px}
.admin-login{background:#fff;border-radius:24px;padding:44px 46px;width:100%;max-width:400px;box-shadow:0 30px 60px rgba(0,0,0,.25)}
.admin-login .logo{margin-bottom:26px}
.admin-login h2{font-size:21px;color:var(--forest-deep)}
.admin-login .sub{font-size:13px;color:var(--ink-soft);margin:4px 0 24px}
.login-error{color:#c0392b;font-size:13px;margin-top:10px;display:none}
.admin-shell{display:flex;min-height:100vh}
.admin-side{width:230px;flex:none;background:var(--forest-deep);color:#fff;display:flex;flex-direction:column;padding:22px 14px}
.admin-side .brand{display:flex;align-items:center;gap:10px;padding:6px 10px 20px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:14px}
.admin-side .brand b{font-size:16.5px;letter-spacing:1px}
.admin-side .brand span{font-size:10px;color:rgba(255,255,255,.5);letter-spacing:2px;display:block}
.admin-menu a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:12px;font-size:14.5px;color:rgba(255,255,255,.75);margin-bottom:4px;transition:all .2s}
.admin-menu a:hover{background:rgba(255,255,255,.1);color:#fff}
.admin-menu a.active{background:var(--lake);color:#fff;font-weight:700}
.admin-menu .ico{width:20px;text-align:center}
.admin-side .foot{margin-top:auto;padding:14px 10px;font-size:12px;color:rgba(255,255,255,.4)}
.admin-main{flex:1;padding:26px 32px;overflow-x:auto}
.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;gap:14px;flex-wrap:wrap}
.admin-top h1{font-size:22px;color:var(--forest-deep)}
.admin-top .sub{font-size:13px;color:var(--ink-soft)}
.admin-panel{background:#fff;border-radius:18px;padding:26px 30px;box-shadow:0 4px 16px rgba(34,49,42,.06);margin-bottom:22px}
.admin-panel h3{font-size:16.5px;color:var(--forest-deep);margin-bottom:18px}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:18px;padding:22px 24px;box-shadow:0 4px 16px rgba(34,49,42,.06)}
.stat-card .num{font-size:28px;font-weight:800;color:var(--forest)}
.stat-card .lbl{font-size:13px;color:var(--ink-soft);margin-top:2px}
.stat-card.hi .num{color:var(--coral)}
.admin-table{width:100%;border-collapse:collapse;font-size:13.5px}
.admin-table th{text-align:left;background:var(--sand);padding:11px 14px;color:var(--forest-deep);font-size:13px;border-bottom:1px solid var(--line);white-space:nowrap}
.admin-table td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.admin-table tr:hover td{background:var(--lake-light)}
.tag-pill{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:600}
.tag-green{background:var(--lake-light);color:var(--lake)}
.tag-orange{background:#fdf6e3;color:#a07414}
.tag-red{background:var(--coral-light);color:var(--coral)}
.tag-gray{background:#eee;color:#777}
.tag-blue{background:#e8f0fb;color:#3b6fa5}
.op-btn{padding:5px 12px;border-radius:8px;font-size:12.5px;font-weight:600;margin-right:6px}
.op-edit{background:var(--lake-light);color:var(--lake)}
.op-del{background:var(--coral-light);color:var(--coral)}
.op-ok{background:#e2f2e6;color:#2e7d43}
.admin-form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}
.seo-page-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.seo-tab{padding:8px 18px;border-radius:99px;background:var(--sand);font-size:13.5px;font-weight:600;color:var(--ink-soft);border:1px solid var(--line)}
.seo-tab.active{background:var(--forest);color:#fff;border-color:var(--forest)}
.admin-toast{position:fixed;top:24px;right:24px;z-index:500;background:var(--forest);color:#fff;padding:13px 26px;border-radius:99px;font-size:14.5px;font-weight:600;box-shadow:0 10px 30px rgba(34,49,42,.3);opacity:0;transform:translateY(-12px);transition:all .3s;pointer-events:none}
.admin-toast.show{opacity:1;transform:translateY(0)}
.switch{position:relative;width:44px;height:24px;background:#cfd6d2;border-radius:99px;transition:background .2s;cursor:pointer;flex:none}
.switch.on{background:var(--lake)}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .2s}
.switch.on::after{left:23px}
.order-status-flow{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 16px}

/* ============ 响应式 ============ */
@media (max-width:980px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav .logo{margin-right:auto}
  .nav-right{gap:6px}
  .cart-btn{padding:7px 12px;font-size:13px}
  .cart-btn .cart-txt{display:none}
  .cart-btn{padding:7px 10px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-art{max-width:420px;margin:0 auto}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:repeat(2,1fr);gap:34px 0}
  .flow-steps::before{display:none}
  .about-inner{grid-template-columns:1fr;gap:40px}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .admin-side{width:64px}
  .admin-side .brand div,.admin-menu a span{display:none}
  .admin-menu a{justify-content:center;padding:12px 0}
  .admin-menu a .ico{width:auto}
  .stat-cards{grid-template-columns:repeat(2,1fr)}
  .admin-form-row{grid-template-columns:1fr}
}
@media (max-width:560px){
  .wrap{padding:0 14px}
  .cart-btn{padding:6px 8px}
  .nav-toggle{width:38px;height:38px}
  .nav-right{gap:5px}
  .prod-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr}
  .hero-stats{gap:22px}
  .coop-band{padding:32px 26px}
  .news-item{flex-direction:column}
  .modal{padding:26px 22px}
  .pay-options{grid-template-columns:1fr}
  .stat-cards{grid-template-columns:1fr}
}

/* 移动端用纯 icon 版 logo：更小高度、更清晰饱满 */
@media (max-width:719px){
  .nav .logo .logo-mark{height:40px}
}

/* 大屏 nav 用完整版 logo：更显眼 */
@media (min-width:960px){
  .nav .logo .logo-mark{height:56px}
}