/* ============================================================
   零境恒居 ZEROHOME v5.2 — 现代 B2B 高级感 Design System
   参考：meisonilan 式克制高级感 —— 大图 / 大留白 / 圆角 / 柔和阴影
   墨绿 #0F403A 主色 · 棕咖 #82481C 点缀 · 暖白 #FAF8F5 底
   ============================================================ */
:root{
  --green:#0F403A; --green-2:#155A50; --green-3:#0A2E2A; --green-soft:#EAF1EF;
  --brown:#82481C; --brown-2:#A5683A;
  --tan:#E8C9A8; --tan-2:#F3E0C8;
  --cream:#FAF8F5; --cream-2:#F4F0E9; --mist:#F6F4F0;
  --ink:#26221C; --gray:#6E675E; --gray-2:#9B948A;
  --line:rgba(15,64,58,.10); --line-strong:rgba(15,64,58,.16);
  --shadow:0 18px 50px rgba(15,64,58,.10);
  --shadow-lg:0 30px 80px rgba(15,64,58,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --sans:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --r:16px; --r-lg:22px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--cream);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
::selection{background:var(--green);color:var(--tan)}
:focus-visible{outline:2px solid var(--brown);outline-offset:3px}
.nav :focus-visible,.hero :focus-visible{outline-color:var(--tan)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,.serif{font-family:var(--sans);font-weight:800;letter-spacing:-.01em}
.wrap{width:min(1240px,92%);margin:0 auto}
.section{padding:clamp(72px,10vw,120px) 0}
.eyebrow{display:inline-flex;align-items:center;padding:6px 16px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:12px;letter-spacing:.1em;margin-bottom:20px;font-weight:600}
.center .eyebrow{justify-content:center}
.section__title{font-size:clamp(28px,3.8vw,44px);color:var(--green);line-height:1.25}
.section__sub{color:var(--gray);margin-top:14px;max-width:680px;font-size:16.5px}
.center{text-align:center}.center .section__sub{margin-left:auto;margin-right:auto}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}
.reveal.in{opacity:1;transform:none}

/* ============ 统一影像处理（干净自然，微调色温）============ */
.card__media,.detail__media,.news-item__media,.page-hero .bg,.slide__bg,
.cards>img,.case-block img,.article img,.scene img{
  filter:saturate(.94) contrast(1.02);
}

/* ============ NAV ============ */
.nav{position:fixed;inset:0 0 auto;z-index:100;transition:background .4s var(--ease),box-shadow .4s,padding .4s;padding:22px 0;background:linear-gradient(to bottom,rgba(5,20,18,.5),rgba(5,20,18,0))}
.nav.solid{background:rgba(250,248,245,.96);backdrop-filter:blur(12px);box-shadow:0 8px 30px rgba(15,64,58,.08);padding:10px 0}
.nav__inner{display:flex;align-items:center;justify-content:space-between}
.nav__logo img{height:44px;width:auto}
.nav:not(.solid) .nav__logo img{height:66px;background:rgba(255,255,255,.55);-webkit-backdrop-filter:blur(22px) saturate(1.6);backdrop-filter:blur(22px) saturate(1.6);padding:12px 26px;border-radius:18px;border:1px solid rgba(255,255,255,.7);box-shadow:0 8px 26px rgba(15,64,58,.15)}
.nav.solid .nav__logo img{height:42px}
.nav__links{display:flex;gap:34px;align-items:center}
.nav__links a{color:#fff;font-size:15px;letter-spacing:.04em;position:relative;padding:8px 2px;font-weight:500}
.nav.solid .nav__links a{color:var(--ink)}
.nav__links a::after{content:"";position:absolute;left:6px;right:6px;bottom:2px;height:2px;border-radius:2px;background:var(--tan);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav__links a:hover::after,.nav__links a.active::after{transform:scaleX(1)}
.nav__links a.active{color:var(--tan)}
.nav.solid .nav__links a.active{color:var(--green)}
.nav.solid .nav__links a.active::after{background:var(--green)}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;z-index:101}
.nav__toggle span{width:24px;height:2px;background:#fff;transition:.3s}
.nav.solid .nav__toggle span{background:var(--ink)}
.nav__toggle.open span{background:#fff!important}
.nav__toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle.open span:nth-child(2){opacity:0}
.nav__toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav__item{position:relative}
.dropdown{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(10px);background:#fff;min-width:210px;border-radius:14px;box-shadow:var(--shadow-lg);border:1px solid var(--line);padding:10px;opacity:0;visibility:hidden;transition:.3s var(--ease);z-index:50}
.nav__item:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav__links .nav__item .dropdown a{display:block!important;color:var(--ink)!important;background:#fff!important;padding:11px 18px;font-size:14px!important;letter-spacing:.04em;border-radius:10px}
.nav__links .nav__item .dropdown a:hover{background:var(--green-soft)!important;color:var(--green)!important}
.nav__links .nav__item .dropdown a::after{display:none!important}

/* ============ HERO 轮播（首页）============ */
.hero{position:relative;color:#fff;overflow:hidden}
.hero.slider{height:100vh;min-height:640px}
.slider__track{position:absolute;inset:0}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s var(--ease);pointer-events:none}
.slide.active{opacity:1;pointer-events:auto}
.slide__bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.08);transition:transform 9s var(--ease)}
.slide.active .slide__bg{transform:scale(1.01)}
.slide__mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,20,18,.82) 0%,rgba(10,46,42,.42) 55%,rgba(10,46,42,.12) 100%)}
.slide__content{position:absolute;inset:0;display:flex;align-items:center}
.slide__content .wrap{max-width:780px}
.slide__tag{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.14);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.28);padding:8px 20px;border-radius:999px;font-size:12.5px;letter-spacing:.14em;margin-bottom:30px;color:#fff;font-weight:500}
.slide h1,.slide h2{font-size:clamp(40px,6vw,72px);line-height:1.14;font-weight:800;letter-spacing:.01em;color:#fff;margin:0}
.slide h1 em,.slide h2 em{font-style:normal;color:var(--tan)}
.slide__sub{margin-top:24px;font-size:clamp(17px,2vw,22px);letter-spacing:.08em;color:rgba(255,255,255,.94)}
.slide__desc{margin-top:16px;color:rgba(255,255,255,.76);max-width:600px;font-size:16px}
.slide__cta{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap}
.slider__dots{position:absolute;bottom:44px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:6}
.slider__dots button{width:8px;height:8px;padding:0;border:0;border-radius:999px;background:rgba(255,255,255,.4);cursor:pointer;transition:.35s}
.slider__dots button.on{width:28px;background:var(--tan)}
.slider__arrow{position:absolute;bottom:34px;right:clamp(20px,4vw,52px);width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.08);color:#fff;font-size:22px;line-height:1;cursor:pointer;z-index:6;transition:.3s;display:flex;align-items:center;justify-content:center}
.slider__arrow:hover{background:var(--brown);border-color:var(--brown)}
.slider__arrow--prev{right:calc(clamp(20px,4vw,52px) + 58px)}
.hero__scroll{display:none}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 34px;border-radius:999px;font-size:15px;letter-spacing:.06em;transition:.35s var(--ease);cursor:pointer;border:1px solid transparent;font-family:var(--sans);font-weight:600}
.btn--primary{background:var(--brown);color:#fff;box-shadow:0 10px 26px rgba(130,72,28,.28)}
.btn--primary:hover{background:#6F3D14;transform:translateY(-2px);box-shadow:0 14px 34px rgba(130,72,28,.34)}
.btn--ghost{border-color:rgba(255,255,255,.65);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--dark{background:var(--green);color:#fff;box-shadow:0 10px 26px rgba(15,64,58,.28)}
.btn--dark:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 14px 34px rgba(15,64,58,.34)}
.btn--primary::after,.btn--dark::after{content:"→";transition:transform .3s}
.btn--primary:hover::after,.btn--dark:hover::after{transform:translateX(5px)}

/* ============ 标语带（被动房=好房子）============ */
.valueband{background:radial-gradient(120% 160% at 80% -20%,rgba(232,201,168,.18) 0%,transparent 55%),linear-gradient(130deg,var(--green-3),var(--green));color:#fff;padding:clamp(44px,5.5vw,64px) 0}
.valueband__eq{text-align:center;font-size:clamp(30px,4vw,48px);font-weight:800;letter-spacing:.02em}
.valueband__eq b{color:var(--tan);font-weight:800}
.valueband__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.valueband__item{text-align:center;padding:24px 14px;border-radius:var(--r);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(4px);transition:.35s var(--ease)}
.valueband__item:hover{background:rgba(255,255,255,.12);transform:translateY(-5px)}
.valueband__item .ico{width:44px;height:44px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:rgba(232,201,168,.16)}
.valueband__item .ico svg{width:23px;height:23px;stroke:var(--tan);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.valueband__item b{display:block;font-size:17px;letter-spacing:.2em;font-weight:700}
.valueband__item span{font-size:12.5px;color:rgba(255,255,255,.72);letter-spacing:.02em;display:block;margin-top:7px}

/* ============ 五恒卡片（白底区） ============ */
.five{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.five__item{text-align:center;padding:22px 12px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 6px 24px rgba(15,64,58,.05);transition:.35s var(--ease)}
.five__item:hover{transform:translateY(-5px);border-color:var(--green);box-shadow:var(--shadow-lg)}
.five__item .ico{width:42px;height:42px;margin:0 auto 11px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:rgba(130,72,28,.10)}
.five__item .ico svg{width:22px;height:22px;stroke:var(--brown);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.five__item b{display:block;font-size:16.5px;letter-spacing:.2em;font-weight:700;color:var(--green)}
.five__item span{font-size:12.5px;color:var(--gray);letter-spacing:.02em;display:block;margin-top:7px;line-height:1.65}

/* ============ 数据带 ============ */
.stats{background:var(--mist);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat{padding:clamp(44px,6vw,64px) 20px}
.stat b{font-family:var(--sans);font-size:clamp(40px,4.8vw,60px);color:var(--green);font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1}
.stat b i{font-style:normal;font-size:.4em;color:var(--brown);margin-left:4px;font-weight:700}
.stat>span{display:block;color:var(--gray);font-size:13px;margin-top:12px;letter-spacing:.06em}

/* ============ 通用卡片 ============ */
.cards{display:grid;gap:26px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--2{grid-template-columns:repeat(2,1fr)}
.cards--5{grid-template-columns:repeat(5,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.4s var(--ease);display:flex;flex-direction:column;box-shadow:0 6px 24px rgba(15,64,58,.05)}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.card__media{aspect-ratio:4/3;background-size:cover;background-position:center;position:relative;overflow:hidden}
.card:hover .card__media{transform:scale(1.04)}
.card__media{transition:transform 1.2s var(--ease)}
.card__body{padding:26px 28px 30px;flex:1;display:flex;flex-direction:column}
.card__tag{display:inline-block;font-size:12px;color:var(--green);background:var(--green-soft);padding:5px 14px;border-radius:999px;letter-spacing:.06em;margin-bottom:14px;align-self:flex-start;font-weight:600}
.card h3{font-size:20px;color:var(--ink);margin-bottom:10px}
.card p{color:var(--gray);font-size:14.5px;flex:1}
.card__more{margin-top:18px;color:var(--green);font-size:14px;letter-spacing:.04em;display:inline-flex;align-items:center;gap:8px;font-weight:600}
.card__more::after{content:"→";transition:transform .3s}
.card:hover .card__more::after{transform:translateX(5px)}
.cards>img{border-radius:var(--r);box-shadow:0 6px 24px rgba(15,64,58,.05)}
.card h3 .no{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--green);color:var(--tan);font-size:13px;font-family:var(--sans);font-weight:700;margin-right:12px;vertical-align:2px}

/* ============ 双栏 detail ============ */
.detail{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,5.5vw,80px);align-items:center}
.detail__media{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;background-size:cover;background-position:center}
.detail__list li{display:flex;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line-strong);font-size:15px}
.detail__list b{color:var(--brown);font-weight:700;flex:0 0 auto}
.detail__list span{color:var(--gray)}

/* ============ 数字规格 ============ */
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.spec{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 16px;text-align:center;transition:.35s;box-shadow:0 6px 24px rgba(15,64,58,.05)}
.spec:hover{border-color:var(--green);transform:translateY(-5px);box-shadow:var(--shadow)}
.spec b{display:block;font-size:clamp(24px,2.6vw,32px);color:var(--green);font-weight:800;font-variant-numeric:tabular-nums}
.spec b i{font-style:normal;font-size:.45em;color:var(--brown);margin-left:2px;font-weight:700}
.spec>span{font-size:12.5px;color:var(--gray);letter-spacing:.04em;display:block;margin-top:10px}

/* ============ 对比表 ============ */
.tablewrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-top:44px;box-shadow:0 6px 24px rgba(15,64,58,.05)}
table.cmp{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
.cmp th,.cmp td{padding:18px 22px;text-align:left;border-bottom:1px solid var(--cream-2)}
.cmp thead th{background:var(--green);color:#fff;font-size:14px;letter-spacing:.06em;font-weight:600}
.cmp thead th:first-child{border-radius:var(--r) 0 0 0}
.cmp td:first-child{color:var(--brown);font-weight:700;white-space:nowrap}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody tr:hover{background:var(--cream)}
.cmp td.bad{color:var(--gray)}
.cmp td.good{color:var(--green);font-weight:500}

/* ============ 案例筛选 ============ */
.filter{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:38px 0 44px}
.filter button{background:#fff;border:1px solid var(--line-strong);padding:10px 26px;border-radius:999px;font-size:14px;letter-spacing:.04em;color:var(--gray);cursor:pointer;transition:.3s;font-family:var(--sans)}
.filter button:hover{border-color:var(--green);color:var(--green)}
.filter button.on{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 8px 20px rgba(15,64,58,.24)}
.case-card .card__media{aspect-ratio:16/10}
.case-card__meta{display:flex;gap:18px;font-size:12.5px;color:var(--gray);margin-top:12px;letter-spacing:.04em}
.case-card__meta b{color:var(--brown)}
.case-block{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:0 6px 24px rgba(15,64,58,.05);padding:clamp(24px,3.5vw,40px)}
.cb__shots{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.cb__shots img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;display:block}
.cb__row{display:grid;grid-template-columns:minmax(210px,.8fr) 1fr 1.15fr;gap:14px;margin-top:14px;align-items:stretch}
.cb__row .cb__stats{display:flex;flex-direction:column;gap:12px;margin:0}
.cb__row .cb__stats>div{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.cb__row .cb__stats>div span{margin-top:4px}
.cb__row .cb__box{display:flex;flex-direction:column;justify-content:center}
.cb__head{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cb__pill{background:var(--green);color:#fff;font-size:12px;padding:6px 16px;border-radius:999px;letter-spacing:.12em;font-weight:600;flex-shrink:0}
.cb__head h3{font-size:clamp(20px,2.4vw,26px);color:var(--green);margin:0;letter-spacing:.01em}
.cb__hl{font-size:clamp(16px,2vw,20px);color:var(--brown);font-weight:700;margin:16px 0 0;line-height:1.6}
.cb__hl b{color:var(--green)}
.cb__stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.cb__stats>div{background:var(--cream);border:1px solid var(--line);border-radius:var(--r);padding:16px 12px;text-align:center}
.cb__stats b{display:block;font-size:clamp(17px,1.8vw,21px);color:var(--green);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.25}
.cb__stats span{display:block;font-size:12px;color:var(--gray);margin-top:5px;letter-spacing:.05em}
.cb__box{border:1px solid var(--line);border-radius:var(--r);padding:16px 20px}
.cb__box--pain{background:var(--cream);margin-bottom:12px}
.cb__box--pain>b{color:var(--brown)}
.cb__box--plan{background:var(--green-soft)}
.cb__box--plan>b{color:var(--green)}
.cb__box>b{display:block;font-size:12.5px;letter-spacing:.16em;margin-bottom:8px;font-weight:700}
.cb__box p{font-size:14px;color:#3d382f;line-height:1.85;margin:0}
.cb__box ul{margin:0;padding:0}
.cb__box li{font-size:14px;color:#3d382f;line-height:1.8;margin:6px 0 6px 22px;list-style:none;position:relative}
.cb__box li::before{content:'✓';position:absolute;left:-22px;color:var(--green);font-weight:700}

/* ============ 产品中心组件卡 ============ */
.pcards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:.4s var(--ease);box-shadow:0 6px 24px rgba(15,64,58,.05)}
.pcard:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--green)}
.pcard__media{aspect-ratio:1/1;background-size:cover;background-position:center;transition:transform 1.2s var(--ease)}
.pcard:hover .pcard__media{transform:scale(1.05)}
.pcard__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.pcard__top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.pcard__arrow{width:36px;height:36px;border-radius:50%;background:var(--cream);color:var(--green);display:flex;align-items:center;justify-content:center;font-style:normal;font-size:16px;transition:.3s;flex-shrink:0}
.pcard:hover .pcard__arrow{background:var(--green);color:#fff;transform:translateX(3px)}
.pcard__body h3{font-size:21px;color:var(--green);margin:14px 0 8px}
.pcard__body p{color:#3d382f;font-size:14px;line-height:1.8;margin:0 0 14px}
.pcard__specs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.pcard__specs span{font-size:12px;color:var(--green);background:var(--green-soft);padding:4px 12px;border-radius:999px;font-weight:600}
.pcard__more{margin-top:auto;color:var(--brown);font-size:13.5px;font-weight:700;letter-spacing:.06em;font-style:normal}
.pcard:hover .pcard__more{color:var(--green)}
@media(max-width:1024px){.pcards{grid-template-columns:1fr}}

/* ============ 证书 / 品牌墙 ============ */
.certs{display:flex;flex-wrap:wrap;gap:24px;justify-content:center}
.certs .cert{width:calc((100% - 48px)/3);box-sizing:border-box}
.cert{background:#fff;border-radius:var(--r);padding:14px;border:1px solid var(--line);box-shadow:0 6px 24px rgba(15,64,58,.05);transition:.4s var(--ease);margin:0}
.cert:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cert img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:calc(var(--r) - 8px);display:block;background:#f5f5f3}
.cert figcaption{text-align:center;font-size:13.5px;font-weight:600;color:var(--brown);letter-spacing:.04em;padding:12px 4px 4px}
.brands{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:44px}
.brand{background:#fff;border:1px solid var(--line);border-radius:var(--r);display:flex;align-items:center;justify-content:center;padding:20px 8px;font-weight:600;color:var(--green);font-size:14px;letter-spacing:.06em;transition:.3s;min-height:84px;text-align:center;box-shadow:0 4px 16px rgba(15,64,58,.04)}
.brand:hover{border-color:var(--green);color:var(--brown);transform:translateY(-4px);box-shadow:var(--shadow)}

/* ============ 新闻 ============ */
.news-list{display:grid;gap:20px}
.news-item{display:grid;grid-template-columns:240px 1fr;gap:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.35s;box-shadow:0 4px 16px rgba(15,64,58,.04)}
.news-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.news-item__media{background-size:cover;background-position:center;min-height:160px}
.news-item__body{padding:24px 28px 24px 0}
.news-item__date{font-size:12.5px;color:var(--brown);letter-spacing:.08em;font-weight:600}
.news-item h3{font-size:19px;color:var(--ink);margin:8px 0 8px}
.news-item p{font-size:14px;color:var(--gray)}
.article{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(32px,5vw,64px);box-shadow:0 6px 24px rgba(15,64,58,.05)}
.article h1{font-size:clamp(26px,3.2vw,34px);color:var(--green);line-height:1.4;margin-bottom:12px}
.article .meta{font-size:13px;color:var(--brown);letter-spacing:.08em;margin-bottom:30px;font-weight:600}
.article h2{font-size:21px;color:var(--green);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brown);border-radius:0 4px 4px 0}
.article p{color:#3d382f;margin:14px 0;font-size:15.5px}
.article li{color:#3d382f;margin:8px 0 8px 22px;list-style:disc;font-size:15.5px}
.article blockquote{border-left:4px solid var(--brown);background:var(--cream);padding:16px 20px;margin:18px 0;color:var(--gray);border-radius:0 12px 12px 0}
.article table{width:100%;border-collapse:collapse;font-size:14px;margin:18px 0}
.article th,.article td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.article th{background:var(--green-soft);color:var(--green);font-weight:600}
.article img{border-radius:var(--r);margin:16px 0}

/* ============ 相关阅读 ============ */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.related a{background:var(--cream);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;transition:.3s var(--ease);display:block}
.related a:hover{border-color:var(--green);transform:translateY(-3px);box-shadow:var(--shadow)}
.related a span{display:block;font-size:12px;color:var(--brown);letter-spacing:.06em;margin-bottom:6px;font-weight:600}
.related a b{color:var(--green);font-size:14.5px;line-height:1.5}
@media(max-width:760px){.related{grid-template-columns:1fr}}

/* ============ 联系 ============ */
.contact__grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(36px,5.5vw,70px)}
.contact__grid>*{min-width:0}
.info-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px dashed var(--line-strong)}
.info-item>div{min-width:0}
.info-item p,.info-item a{overflow-wrap:anywhere}
.info-item .ico{width:46px;height:46px;flex:0 0 46px;background:var(--green-soft);color:var(--green);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:19px}
.info-item b{display:block;color:var(--green);font-size:15px;margin-bottom:2px;font-weight:700}
.info-item p,.info-item a{color:var(--gray);font-size:14.5px}
.info-item a:hover{color:var(--brown)}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(28px,4vw,44px);box-shadow:0 6px 24px rgba(15,64,58,.05)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-size:13px;color:var(--green);margin:18px 0 8px;font-weight:600}
.form input,.form select,.form textarea{width:100%;border:1px solid transparent;background:var(--mist);border-radius:12px;padding:13px 16px;font-size:15px;font-family:var(--sans);transition:.3s;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;background:#fff;border-color:var(--green);box-shadow:0 0 0 4px rgba(15,64,58,.08)}
.form button{margin-top:26px;width:100%}
.form .tip{font-size:12.5px;color:var(--gray);margin-top:14px;text-align:center}
.qrcodes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px;justify-content:center}
.qrcodes figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px;text-align:center;box-shadow:0 4px 16px rgba(15,64,58,.07);width:100%;max-width:192px;justify-self:center}
.qrcodes img{width:100%;max-width:164px;height:auto;aspect-ratio:1;object-fit:contain;border-radius:8px;background:#fff;display:block;margin:0 auto}
.qrcodes figcaption{font-size:12.5px;color:var(--gray);margin-top:9px;letter-spacing:.04em;text-align:center}
.form-aside{margin-top:18px;background:var(--cream);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}
.form-aside b{display:block;font-size:12.5px;letter-spacing:.16em;color:var(--brown);margin-bottom:10px}
.form-aside ul{margin:0;padding:0;list-style:none}
.form-aside li{position:relative;padding-left:20px;font-size:13px;color:#3d382f;line-height:1.7;margin:7px 0}
.form-aside li::before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:700}

/* ============ 悬浮客服 ============ */
.floatbar{position:fixed;right:20px;bottom:22vh;z-index:90;display:flex;flex-direction:column;gap:12px}
.floatbar a,.floatbar button{width:48px;height:48px;border-radius:50%;border:0;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;box-shadow:0 10px 28px rgba(15,64,58,.32);transition:.3s}
.floatbar a:hover,.floatbar button:hover{background:var(--brown);transform:translateY(-3px)}
.floatbar .top{background:rgba(10,46,42,.85)}
.wxfly{position:fixed;inset:0;background:rgba(7,31,28,.55);backdrop-filter:blur(4px);z-index:120;display:none;align-items:center;justify-content:center;padding:20px}
.wxfly.open{display:flex}
.wxfly__card{background:#fff;border-radius:22px;padding:38px 32px;max-width:520px;width:100%;text-align:center;position:relative;box-shadow:var(--shadow-lg)}
.wxfly__card h3{color:var(--green);font-size:20px;margin-bottom:6px}
.wxfly__card p{color:var(--gray);font-size:13.5px;margin-bottom:22px}
.wxfly__grid{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.wxfly__grid img{width:138px;height:138px;object-fit:contain;border:1px solid var(--line);border-radius:14px;background:#fff;padding:8px}
.wxfly__grid b{display:block;color:var(--green);font-size:14px;margin-top:8px}
.wxfly__close{position:absolute;top:16px;right:20px;border:0;background:none;font-size:22px;color:var(--gray);cursor:pointer}

/* ============ 页脚 ============ */
.footer{background:var(--green-3);color:rgba(255,255,255,.75);padding:72px 0 0}
.footer__inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:52px}
.footer h4{color:#fff;font-size:15px;letter-spacing:.1em;margin-bottom:18px;font-weight:700}
.footer__links a{display:block;padding:6px 0;font-size:14px;transition:.25s;letter-spacing:.02em}
.footer__links a:hover{color:var(--tan);padding-left:6px}
.footer .slogan{font-family:var(--serif);font-size:23px;color:var(--tan);letter-spacing:.08em;line-height:1.7;font-weight:600}
.footer .slogan small{display:block;font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:.1em;margin-top:10px;font-family:var(--sans)}
.footer__bar{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:12.5px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:rgba(255,255,255,.5)}
.footer__bar a{color:rgba(255,255,255,.5)}
.footer__bar a:hover{color:var(--tan)}

/* ============ page-hero（子页头）============ */
.page-hero{position:relative;padding:clamp(140px,18vw,200px) 0 clamp(64px,9vw,96px);color:#fff;overflow:hidden}
.page-hero .bg{position:absolute;inset:0;background-size:cover;background-position:center 40%;z-index:-1}
.page-hero .hero__mask{position:absolute;inset:0;z-index:0;background:linear-gradient(100deg,rgba(5,20,18,.86) 0%,rgba(10,46,42,.5) 60%,rgba(10,46,42,.18) 100%)}
.page-hero h1{font-size:clamp(34px,5vw,54px);letter-spacing:.01em;font-weight:800;text-shadow:0 2px 28px rgba(0,0,0,.45)}
.page-hero p{margin-top:16px;color:rgba(255,255,255,.8);letter-spacing:.04em;font-size:17px}
.crumbs{font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px;letter-spacing:.06em}
.crumbs a:hover{color:var(--tan)}
/* 产品详情页页头：品牌渐变 + 右侧官方产品图（完整展示不裁切） */
.page-hero--product{padding:clamp(130px,16vw,180px) 0 clamp(40px,5vw,56px);background:radial-gradient(120% 160% at 85% -30%,rgba(232,201,168,.20) 0%,transparent 55%),linear-gradient(130deg,#0B2E2A,var(--green) 70%)}
.page-hero--product h1{text-shadow:none}
.product-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(26px,4vw,54px);align-items:center}
.ph__tag{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:var(--tan);font-size:12px;letter-spacing:.14em;padding:7px 16px;border-radius:999px;margin-bottom:18px}
.ph__media{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:clamp(12px,1.6vw,20px);display:flex;align-items:center;justify-content:center}
.ph__media img{max-height:min(48vh,420px);max-width:100%;width:auto;object-fit:contain;border-radius:14px;display:block}
@media(max-width:900px){.product-hero{grid-template-columns:1fr;gap:20px}.ph__media img{max-height:280px}}

/* ============ CTA band ============ */
.cta-band{background:radial-gradient(120% 160% at 20% -20%,rgba(232,201,168,.16) 0%,transparent 55%),linear-gradient(130deg,var(--green),var(--green-3));color:#fff;text-align:center;padding:clamp(64px,9vw,100px) 0}
.cta-band h2{font-size:clamp(28px,3.6vw,40px);letter-spacing:.01em}
.cta-band p{color:rgba(255,255,255,.75);margin:16px 0 34px;letter-spacing:.06em}
.cta-band .btn--primary{background:var(--brown)}
.cta-band .btn--primary:hover{background:#6F3D14}

/* ============ 预约模块（首页）============ */
.book{background:radial-gradient(120% 160% at 85% -20%,rgba(232,201,168,.18) 0%,transparent 55%),linear-gradient(130deg,var(--green-3),var(--green));color:#fff;padding:clamp(64px,9vw,104px) 0}
.book__grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,6vw,80px);align-items:center}
.book__info .eyebrow{background:rgba(255,255,255,.12);color:var(--tan)}
.book__info h2{font-size:clamp(30px,3.8vw,44px);line-height:1.3}
.book__info h2 em{font-style:normal;color:var(--tan)}
.book__info p{color:rgba(255,255,255,.75);margin-top:18px}
.book__points{margin-top:30px}
.book__points li{display:flex;gap:14px;padding:11px 0;color:rgba(255,255,255,.88);font-size:15px}
.book__points li::before{content:"✓";color:var(--tan);font-weight:700}
.book .form{background:#fff;border:0}
.book .form h3{color:var(--green)}
.book .form label{color:var(--green)}
@media(max-width:900px){.book__grid{grid-template-columns:1fr}}

/* ============ 在线地图 ============ */
.mapbox{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
#map{height:340px;z-index:1}
.mapbox--wide #map{height:420px}
@media(max-width:760px){.mapbox--wide #map{height:300px}}
.leaflet-container{font-family:var(--sans)}
.map-tip b{color:var(--green)}
/* 品牌色地图定位针（替代 Leaflet 默认图标，无需图片资源） */
.zh-pin{background:none;border:none}
.zh-pin span{display:block;width:28px;height:28px;background:var(--green);border:2.5px solid #fff;border-radius:50% 50% 50% 0;transform:rotate(-45deg);box-shadow:0 4px 12px rgba(10,46,42,.35);position:relative}
.zh-pin span::after{content:'';position:absolute;left:50%;top:50%;width:9px;height:9px;background:#fff;border-radius:50%;transform:translate(-50%,-50%)}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .nav__links{position:fixed;inset:0 0 0 auto;width:min(78vw,320px);background:var(--green-3);flex-direction:column;justify-content:center;gap:30px;padding:44px;transform:translateX(100%);transition:transform .45s var(--ease)}
  .nav__links.open{transform:none}
  .nav__links a{color:#f3efe7!important;font-size:17px}
  .nav__links .nav__item .dropdown{display:none!important}
  .nav__toggle{display:flex}
  .cards--3{grid-template-columns:repeat(2,1fr)}
  .cards--5{grid-template-columns:repeat(3,1fr);gap:18px}
  .brands{grid-template-columns:repeat(4,1fr)}
  .certs .cert{width:calc((100% - 24px)/2)}
  .footer__inner{grid-template-columns:1fr 1fr;gap:36px}
  .valueband__grid{grid-template-columns:repeat(2,1fr)}
  .five{grid-template-columns:repeat(3,1fr)}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .specs{grid-template-columns:repeat(2,1fr)}
  .slider__arrow--prev{right:calc(clamp(20px,4vw,52px) + 58px)}
}
@media(max-width:760px){
  .section{padding:70px 0}
  .cards--3,.cards--2{grid-template-columns:1fr}
  .cards--5{grid-template-columns:1fr}
  .detail{grid-template-columns:1fr}
  .cb__row{grid-template-columns:1fr 1fr}
  .cb__row .cb__stats{flex-direction:row;grid-column:1/-1}
  .contact__grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-item__body{padding:0 24px 24px}
  .news-item__media{min-height:190px}
  .form__row{grid-template-columns:1fr}
  .hero.slider{min-height:620px}
  .slide__content{padding-bottom:70px}
  .slider__arrow{display:none}
  .slider__track .slide:first-child .slide__bg{background-position:55% center}
  .footer__inner{grid-template-columns:1fr;gap:30px}
  .brands{grid-template-columns:repeat(3,1fr)}
  .floatbar{right:14px}
  .page-hero .bg{background-position:60% center}
}
@media(max-width:560px){
  .wrap{width:90%}
  .valueband__grid{grid-template-columns:1fr 1fr;gap:12px}
  .five{grid-template-columns:1fr 1fr;gap:12px}
  .five__item{padding:26px 12px}
  .specs{grid-template-columns:repeat(2,1fr)}
  .certs{gap:12px}
  .certs .cert{width:calc((100% - 12px)/2)}
  .stats__grid{grid-template-columns:1fr 1fr}
  .hero__cta .btn,.slide__cta .btn{padding:13px 24px;font-size:14px}
  .qrcodes{gap:12px}
  .qrcodes figure{max-width:150px;padding:10px}
  .qrcodes img{max-width:128px}
  .wxfly__grid img{width:118px;height:118px}
  .btn{letter-spacing:.04em}
}

/* ============ 可访问性 ============ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  html{scroll-behavior:auto}
}