/* ========== Sòng Ritual 全站样式 ========== */
:root{
  --ink:#241f19; --muted:#6e6659; --line:#e7e0d4; --line-d:#d8cfbe;
  --gold:#9c7a3c; --gold-l:#c4a468; --seal:#8c3b2e; --green:#2f6b4f;
  --cream:#faf7f1; --paper:#fff; --shadow:0 14px 40px rgba(36,31,25,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.62}
h1,h2,h3,h4,.serif{font-family:Georgia,"Times New Roman","Songti SC",serif;font-weight:600}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:1240px;margin:0 auto;padding:0 22px}
.btn{display:inline-block;padding:13px 28px;border-radius:2px;background:var(--ink);color:#fff;font-size:12px;letter-spacing:.16em;text-transform:uppercase;border:1px solid var(--ink);transition:.25s;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--gold);border-color:var(--gold)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--gold{background:var(--gold);border-color:var(--gold)}
.btn--gold:hover{background:#84672f}
.btn--sm{padding:9px 18px;font-size:11px}
.eyebrow{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:700}
.sec{padding:68px 0;text-align:center}
.sec--cream{background:var(--cream)}
.sec-title{font-size:clamp(24px,3.2vw,38px);margin:10px 0}
.sec-sub{color:var(--muted);max-width:640px;margin:0 auto;font-size:15px}
.crumbs{font-size:12px;color:var(--muted);padding:18px 0}
.crumbs a:hover{color:var(--gold)}

/* ---- 促销条 ---- */
.announce{background:var(--ink);color:#f0e7d6;font-size:12px;display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;padding:9px 16px}
.announce .hi{color:var(--gold-l);font-weight:700}
.announce .timer{font-variant-numeric:tabular-nums;background:rgba(255,255,255,.09);padding:3px 10px;border-radius:20px}

/* ---- 头部 ---- */
header.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:18px}
.logo{font-family:Georgia,serif;font-size:21px;letter-spacing:.2em;font-weight:700;white-space:nowrap}
.logo span{color:var(--gold)}
.menu{display:flex;gap:19px;font-size:11px;letter-spacing:.13em;text-transform:uppercase;list-style:none}
.menu a{padding:4px 0;border-bottom:1px solid transparent}
.menu a:hover,.menu a.active{border-color:var(--gold);color:var(--gold)}
.icons{display:flex;gap:14px;align-items:center}
.icons svg{width:19px;height:19px;stroke:var(--ink);fill:none;stroke-width:1.6}
.burger{display:none;background:none;border:0;cursor:pointer}
.burger svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.8}

/* ---- Hero ---- */
.hero{background:linear-gradient(115deg,#f8f3e9 0%,#f0e5d1 55%,#e7d8bd 100%)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;min-height:66vh}
.hero-copy{padding:60px 6vw 60px max(22px,calc((100vw - 1240px)/2 + 22px))}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.14;margin:16px 0}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p{color:var(--muted);font-size:16px;max-width:480px;margin-bottom:26px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-trust{display:flex;gap:18px;margin-top:28px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.hero-visual{display:flex;align-items:center;justify-content:center;min-height:380px;position:relative}
.badge{position:absolute;top:10%;right:10%;width:122px;height:122px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:var(--shadow)}
.badge b{font-family:Georgia,serif;font-size:24px;color:var(--seal)}
.badge small{font-size:10px;letter-spacing:.12em;text-transform:uppercase}

/* ---- 三栏保证 ---- */
.guar{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}
.guar div{padding:26px 20px;text-align:center;border-left:1px solid var(--line)}
.guar div:first-child{border-left:0}
.guar b{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px}
.guar span{color:var(--muted);font-size:13px}

/* ---- 商品卡 ---- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px;text-align:left}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--line);background:#fff;transition:.25s;display:flex;flex-direction:column;position:relative}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.thumb{aspect-ratio:1/1;background:linear-gradient(150deg,#fbf7ee,#f0e6d4);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.thumb svg{width:58%}
.tag{position:absolute;top:10px;left:10px;background:var(--seal);color:#fff;font-size:10px;padding:4px 8px;letter-spacing:.06em;font-weight:700}
.tag--gold{background:var(--gold)}
.tag--sub{background:var(--green)}
.info{padding:15px 16px 18px;display:flex;flex-direction:column;gap:6px;flex:1;text-align:left}
.stars{color:var(--gold);font-size:12px}
.stars span{color:var(--muted);font-size:11px;margin-left:5px}
.card h3{font-size:14.5px;line-height:1.35}
.meta{font-size:11px;color:var(--muted)}
.price{font-family:Georgia,serif;font-size:19px;font-weight:700}
.price s{color:var(--muted);font-size:13px;font-weight:400;margin-left:6px}
.install{font-size:11px;color:var(--muted)}
.stock{font-size:11px;color:var(--green);font-weight:600}
.add{margin-top:auto;padding:11px;background:var(--ink);color:#fff;border:0;font-size:11px;letter-spacing:.16em;text-transform:uppercase;cursor:pointer;transition:.2s;font-family:inherit}
.add:hover{background:var(--gold)}

/* ---- 首页热销横向 ---- */
.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;text-align:left;flex-wrap:wrap}
.row-head h2{font-size:clamp(22px,2.6vw,32px)}
.row-head a{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);border-bottom:1px solid var(--gold-l)}

/* ---- 步骤 ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px;text-align:left}
.step{border-top:2px solid var(--gold);padding:20px 16px;background:#fff}
.step i{font-family:Georgia,serif;font-size:22px;color:var(--gold-l);font-style:normal}
.step b{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin:4px 0 6px}
.step p{font-size:13px;color:var(--muted)}

/* ---- 文化区 ---- */
.split{display:grid;grid-template-columns:1fr 1fr;align-items:center}
.split .art{background:linear-gradient(160deg,#241f19,#4b3a26);min-height:420px;display:flex;align-items:center;justify-content:center}
.split .copy{padding:58px 6vw;text-align:left}
.split h2{font-size:clamp(24px,3vw,36px);margin:12px 0}
.split p{color:var(--muted);font-size:14px;margin-bottom:14px}
.linkrow{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-top:8px}
.linkrow a{border-bottom:1px solid var(--gold-l);padding-bottom:2px}

/* ---- 评价 ---- */
.rev-sum{display:flex;align-items:center;justify-content:center;gap:12px;margin:20px 0 28px;font-size:13px;color:var(--muted)}
.rev-sum b{font-family:Georgia,serif;font-size:28px}
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:left}
.rev{border:1px solid var(--line);background:#fff;padding:22px}
.rev p{font-size:13.5px;color:#4a4338;margin:8px 0 12px}
.rev .who{font-size:12px;color:var(--muted)}
.rev .vf{color:var(--green)}

/* ---- 博客 ---- */
.blog{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px;text-align:left}
.post{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column}
.post .cover{height:154px;background:linear-gradient(140deg,#efe4cd,#ddc9a5)}
.post .cover.b{background:linear-gradient(140deg,#e6e0d2,#c9bfa4)}
.post .cover.c{background:linear-gradient(140deg,#efe0dc,#d6b8ae)}
.post .body{padding:18px;flex:1;display:flex;flex-direction:column}
.post h4{font-size:15px;line-height:1.35;margin-bottom:6px}
.post p{font-size:12.5px;color:var(--muted)}
.post .more{margin-top:auto;padding-top:12px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}

/* ---- 订阅 ---- */
.news{background:var(--ink);color:#f0e7d6;padding:58px 22px;text-align:center}
.news h2{font-size:clamp(22px,2.8vw,32px);margin:10px 0}
.news p{color:#c3b9a3;font-size:13px;margin-bottom:20px}
.news form{display:flex;max-width:430px;margin:0 auto;gap:8px}
.news input{flex:1;padding:13px 14px;background:#332c23;border:1px solid #574c3d;color:#fff;font-size:13px;outline:none;font-family:inherit}
.news button{background:var(--gold);border:0;color:#fff;padding:0 22px;cursor:pointer;font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-family:inherit}

/* ---- 页脚 ---- */
footer{background:#1b1712;color:#cabfab;padding:52px 0 24px}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;text-align:left}
.foot h4{color:#f0e7d6;font-size:11px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:12px}
.foot a,.foot li{display:block;font-size:13px;color:#ada28c;margin-bottom:7px}
.foot a:hover{color:#fff}
.foot ul{list-style:none}
.pay{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.pay span{border:1px solid #3b3428;border-radius:3px;padding:4px 8px;font-size:10px;color:#a99e88}
.fbottom{border-top:1px solid #332c22;margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#857c69}

/* ---- 商店筛选 ---- */
.shop-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:26px 0 6px;text-align:left}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filters button{border:1px solid var(--line-d);background:#fff;padding:8px 14px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;font-family:inherit;transition:.2s}
.filters button:hover{border-color:var(--gold)}
.filters button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.count{font-size:12px;color:var(--muted)}

/* ---- 商品详情 ---- */
.pdp{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;padding:30px 0 20px;text-align:left}
.pdp .gallery{display:grid;gap:12px}
.pdp .main{aspect-ratio:1/1;background:linear-gradient(150deg,#fbf7ee,#f0e6d4);display:flex;align-items:center;justify-content:center;border:1px solid var(--line)}
.pdp .main svg{width:52%}
.pdp .thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.pdp .thumbs div{aspect-ratio:1/1;background:linear-gradient(150deg,#fbf7ee,#f0e6d4);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;cursor:pointer}
.pdp .thumbs svg{width:60%}
.pdp h1{font-size:clamp(22px,2.6vw,32px);margin:8px 0}
.pdp .p-price{font-family:Georgia,serif;font-size:28px;font-weight:700;margin:10px 0 4px}
.pdp .p-price s{font-size:16px;color:var(--muted);font-weight:400;margin-left:8px}
.opts{display:grid;gap:14px;margin:20px 0}
.opts label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:6px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips button{border:1px solid var(--line-d);background:#fff;padding:8px 13px;font-size:12px;cursor:pointer;font-family:inherit}
.chips button.on{border-color:var(--ink);background:var(--ink);color:#fff}
.pdp .buy{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.pdp .buy .btn{flex:1;text-align:center;min-width:170px}
.usp-list{border-top:1px solid var(--line);margin-top:20px;padding-top:18px;display:grid;gap:10px}
.usp-list div{font-size:13px;color:var(--muted);display:flex;gap:10px}
.usp-list b{color:var(--ink);min-width:110px;font-weight:600}
.tabs{margin-top:40px;text-align:left}
.tab-btns{display:flex;gap:0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tab-btns button{border:0;background:none;padding:14px 20px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;border-bottom:2px solid transparent;font-family:inherit;color:var(--muted)}
.tab-btns button.on{color:var(--ink);border-color:var(--gold)}
.tab-body{padding:24px 0;font-size:14px;color:#463f35}
.tab-body table{width:100%;border-collapse:collapse;font-size:13px}
.tab-body th,.tab-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.tab-body th{background:var(--cream);width:34%}

/* ---- 节气系列 ---- */
.st-hero{background:linear-gradient(115deg,#1f1b16,#3d3122);color:#f2e9d8;padding:74px 0}
.st-hero h1{font-size:clamp(28px,4vw,48px);margin:12px 0}
.st-hero p{color:#c9bda6;max-width:620px}
.st-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px;text-align:left}
.st-card{border:1px solid var(--line);background:#fff;padding:18px}
.st-card b{font-family:Georgia,serif;font-size:17px;display:block}
.st-card .en{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:6px}
.st-card .date{font-size:12px;color:var(--muted);margin:6px 0}
.st-card .notes{font-size:12.5px;color:#463f35}
.st-card.season-w{background:#f7f4ee}
.st-card.season-s{background:#f4f7f1}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px;text-align:left}
.plan{border:1px solid var(--line);background:#fff;padding:24px;display:flex;flex-direction:column}
.plan.hot{border-color:var(--gold);box-shadow:var(--shadow)}
.plan h3{font-size:17px;margin-bottom:6px}
.plan .amt{font-family:Georgia,serif;font-size:30px;font-weight:700;margin:8px 0}
.plan .amt small{font-size:13px;color:var(--muted);font-weight:400}
.plan ul{list-style:none;font-size:13px;color:var(--muted);margin:12px 0 18px;display:grid;gap:6px}
.plan ul li:before{content:"·";color:var(--gold);margin-right:8px}
.plan .btn{margin-top:auto;text-align:center}
.timeline{border-left:2px solid var(--line-d);margin:30px 0 0 8px;padding-left:22px;text-align:left}
.tl-item{position:relative;padding-bottom:22px}
.tl-item:before{content:"";position:absolute;left:-30px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--gold)}
.tl-item b{display:block;font-size:14px}
.tl-item span{font-size:12.5px;color:var(--muted)}

/* ---- 文章 ---- */
.article{max-width:760px;margin:0 auto;text-align:left;padding:10px 0 40px}
.article h1{font-size:clamp(26px,3.4vw,40px);margin:14px 0}
.article h2{font-size:22px;margin:30px 0 10px}
.article h3{font-size:17px;margin:24px 0 8px}
.article p{margin-bottom:14px;color:#3f3931}
.article ul,.article ol{margin:0 0 16px 22px;color:#3f3931}
.article li{margin-bottom:7px}
.article .lead{font-size:17px;color:var(--muted)}
.article .note{background:var(--cream);border-left:3px solid var(--gold);padding:16px 18px;font-size:13.5px;margin:22px 0}
.byline{font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}

/* ---- FAQ ---- */
.faq{max-width:780px;margin:28px auto 0;text-align:left}
.faq details{border:1px solid var(--line);border-bottom:0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:16px 18px;font-weight:600;font-size:14px;list-style:none;display:flex;justify-content:space-between}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--gold);font-size:18px}
.faq details[open] summary:after{content:"−"}
.faq p{padding:0 18px 16px;font-size:13.5px;color:var(--muted)}

/* ---- 通用内容块 ---- */
.prose{max-width:820px;margin:0 auto;text-align:left}
.prose h2{font-size:24px;margin:28px 0 10px}
.prose p{margin-bottom:14px;color:#3f3931}
.prose ul{margin:0 0 16px 22px}
.columns{display:grid;grid-template-columns:1fr 1fr;gap:30px;text-align:left;margin-top:26px}
.columns h3{font-size:17px;margin-bottom:8px}
.columns p,.columns li{font-size:14px;color:#3f3931}
.columns ul{margin-left:20px}

/* ---- 弹窗 / Toast ---- */
.popup{position:fixed;inset:0;background:rgba(20,17,13,.6);display:none;align-items:center;justify-content:center;z-index:120;padding:20px}
.popup.on{display:flex}
.popup .box{background:#fff;max-width:420px;width:100%;padding:34px 28px;text-align:center;position:relative}
.popup h3{font-size:20px;margin-bottom:8px}
.popup p{font-size:13px;color:var(--muted);margin-bottom:14px}
.popup .code{font-family:Georgia,serif;font-size:20px;letter-spacing:.16em;color:var(--seal);font-weight:700;display:block;margin-bottom:14px}
.popup input{width:100%;padding:12px;border:1px solid var(--line);margin-bottom:10px;font-family:inherit;font-size:13px}
.popup .x{position:absolute;top:8px;right:12px;background:none;border:0;font-size:22px;cursor:pointer;color:var(--muted)}
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(80px);background:var(--ink);color:#fff;padding:12px 22px;border-radius:30px;font-size:13px;opacity:0;transition:.3s;z-index:130;pointer-events:none}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---- 响应式 ---- */
@media(max-width:1000px){
  .hero-in,.pdp,.split{grid-template-columns:1fr}
  .hero-copy{padding:48px 22px}
  .grid,.blog,.plans,.st-grid{grid-template-columns:repeat(2,1fr)}
  .steps,.guar{grid-template-columns:repeat(2,1fr)}
  .guar div:nth-child(3){border-left:0}
  .rev-grid{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr 1fr}
  .columns{grid-template-columns:1fr}
  .menu{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 22px 22px;border-bottom:1px solid var(--line);gap:12px}
  .menu.on{display:flex}
  .burger{display:block}
}
@media(max-width:600px){
  .grid,.blog,.plans,.st-grid,.steps,.guar,.rev-grid,.foot{grid-template-columns:1fr}
  .sec{padding:48px 0}
  .pdp .thumbs{grid-template-columns:repeat(4,1fr)}
}