/* SECTION: base — 炫田炉歌官网公共样式 */
:root{
  --ink:#1d1a17; --paper:#faf6ef; --paper2:#f3ece0;
  --ember:#d9451f; --ember2:#ff6b35; --gold:#c9a04e; --moss:#43604a;
  --t1:#211d19; --t2:#5c544b; --line:#e3d9c9;
  --serif:"Noto Serif SC","Source Han Serif SC","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--t1);background:var(--paper);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.3}
.sec{padding:80px 0}
.sec-head{margin-bottom:42px}
.sec-head .kicker{display:inline-flex;align-items:center;gap:10px;color:var(--ember);font-size:14px;letter-spacing:.35em;font-weight:600}
.sec-head .kicker::before{content:"";width:34px;height:2px;background:var(--ember)}
.sec-head h2{font-size:clamp(26px,3.6vw,40px);margin-top:10px}
.sec-head p.lede{color:var(--t2);max-width:680px;margin-top:12px}
/* SECTION: placeholder — 视觉素材占位符 */
.ph{position:relative;background:
  radial-gradient(120% 90% at 20% 10%,rgba(255,107,53,.16),transparent 60%),
  radial-gradient(120% 120% at 85% 90%,rgba(201,160,78,.18),transparent 55%),
  linear-gradient(150deg,#2a211b 0%,#1d1a17 55%,#241c15 100%);
  border:1.5px dashed rgba(201,160,78,.55);border-radius:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:rgba(250,246,239,.75);overflow:hidden}
.ph::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(-45deg,transparent 0 14px,rgba(255,255,255,.02) 14px 15px)}
.ph .ph-tag{font-size:12px;letter-spacing:.18em;color:var(--gold);border:1px solid rgba(201,160,78,.5);padding:4px 12px;border-radius:99px;background:rgba(0,0,0,.25)}
.ph .ph-name{font-family:var(--serif);font-size:17px;letter-spacing:.06em}
.ph .ph-sub{font-size:12px;color:rgba(250,246,239,.5)}
/* SECTION: header */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s;background:rgba(29,26,23,.92);backdrop-filter:blur(12px);color:var(--paper);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:12px}
.logo .seal{width:40px;height:40px;border-radius:9px;background:var(--ember);color:#fff;font-family:var(--serif);font-weight:700;font-size:21px;display:grid;place-items:center;box-shadow:0 6px 18px rgba(217,69,31,.35)}
.logo .lt{font-family:var(--serif);font-size:18px;font-weight:700;letter-spacing:.04em;line-height:1.2}
.logo .ls{font-size:10.5px;letter-spacing:.28em;opacity:.65}
.menu{display:flex;gap:24px;font-size:14.5px}
.menu a{position:relative;padding:6px 2px;opacity:.85;transition:.2s}
.menu a:hover,.menu a.on{opacity:1;color:var(--ember2)}
.menu a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:currentColor;border-radius:2px}
.tel-btn{display:inline-flex;align-items:center;gap:8px;background:var(--ember);color:#fff;padding:9px 18px;border-radius:99px;font-size:14.5px;font-weight:600;box-shadow:0 8px 22px rgba(217,69,31,.32);transition:.2s;white-space:nowrap}
.tel-btn:hover{transform:translateY(-1px);background:#c23a18}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;color:inherit}
.burger span{display:block;width:20px;height:2px;background:currentColor;margin:4px auto;transition:.25s}
/* SECTION: page-hero（内页横幅） */
.pagehero{margin-top:66px;background:
  radial-gradient(90% 80% at 80% 15%,rgba(217,69,31,.22),transparent 60%),
  linear-gradient(160deg,#191410,#221a13 55%,#160f0b);
  color:var(--paper);padding:56px 0 46px;position:relative;overflow:hidden}
.pagehero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(-45deg,transparent 0 16px,rgba(255,255,255,.015) 16px 17px)}
.pagehero .kicker{color:var(--gold);letter-spacing:.4em;font-size:13px;display:flex;gap:10px;align-items:center;position:relative}
.pagehero .kicker::before{content:"";width:34px;height:1.5px;background:var(--gold)}
.pagehero h1{font-size:clamp(28px,4.6vw,46px);margin:12px 0 8px;position:relative}
.pagehero p{color:rgba(250,246,239,.6);max-width:680px;font-size:15px;position:relative}
.crumbs{position:relative;margin-top:16px;font-size:13px;color:rgba(250,246,239,.45)}
.crumbs a:hover{color:var(--gold)}
.crumbs i{font-style:normal;margin:0 6px;opacity:.6}
/* SECTION: hero（首页） */
.hero{margin-top:66px;min-height:calc(100svh - 66px);background:
  radial-gradient(90% 70% at 78% 18%,rgba(217,69,31,.25),transparent 60%),
  radial-gradient(70% 60% at 8% 88%,rgba(67,96,74,.28),transparent 60%),
  linear-gradient(160deg,#191410 0%,#221a13 48%,#160f0b 100%);
  color:var(--paper);display:flex;align-items:center;position:relative;overflow:hidden;padding:60px 0}
.hero::before{content:"炉";position:absolute;right:-6%;top:50%;transform:translateY(-50%);font-family:var(--serif);font-size:min(46vw,620px);line-height:1;color:rgba(255,255,255,.028);pointer-events:none;font-weight:700}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative}
.hero .kicker{color:var(--gold);letter-spacing:.4em;font-size:14px;display:flex;gap:10px;align-items:center}
.hero .kicker::before{content:"";width:38px;height:1.5px;background:var(--gold)}
.hero h1{font-size:clamp(38px,5.8vw,68px);margin:18px 0 6px;letter-spacing:.02em}
.hero h1 em{font-style:normal;color:var(--ember2)}
.hero .slogan{font-family:var(--serif);font-size:clamp(16px,2.1vw,21px);color:rgba(250,246,239,.85);letter-spacing:.12em;margin-bottom:20px}
.hero p.intro{color:rgba(250,246,239,.62);max-width:520px;font-size:15.5px}
.hero-cta{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:99px;font-size:15.5px;font-weight:600;transition:.22s;cursor:pointer;border:0}
.btn-primary{background:var(--ember);color:#fff;box-shadow:0 12px 34px rgba(217,69,31,.42)}
.btn-primary:hover{background:#c23a18;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--paper);border:1.5px solid rgba(250,246,239,.4)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.hero .ph{aspect-ratio:4/3.4;border-radius:18px}
.hero-trust{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap;font-size:13px;color:rgba(250,246,239,.55)}
.hero-trust b{color:var(--gold);font-family:var(--serif);font-size:20px;margin-right:4px}
/* SECTION: stats */
.stats{background:var(--ink);color:var(--paper)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.09);border-radius:16px;overflow:hidden}
.stat{background:var(--ink);padding:28px 24px}
.stat b{font-family:var(--serif);font-size:clamp(28px,3.4vw,40px);color:var(--gold);display:block;line-height:1.1}
.stat b i{font-style:normal;font-size:15px;margin-left:4px}
.stat span{font-size:14.5px;display:block;margin-top:6px}
.stat small{color:rgba(250,246,239,.45);font-size:12px;display:block;margin-top:4px}
/* SECTION: cards 通用 */
.menu-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dish{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.dish:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(33,29,25,.1);border-color:var(--gold)}
.dish .ph{aspect-ratio:1/1;border-radius:0;border:0;border-bottom:1.5px dashed rgba(201,160,78,.5)}
.dish-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.dish .badge{align-self:flex-start;font-size:12px;color:var(--ember);background:rgba(217,69,31,.08);border:1px solid rgba(217,69,31,.25);padding:2px 10px;border-radius:99px}
.dish h3{font-size:18.5px}
.dish p{font-size:13.5px;color:var(--t2);flex:1}
.dish .tags{display:flex;gap:6px;flex-wrap:wrap}
.dish .tags i{font-style:normal;font-size:12px;color:var(--moss);background:rgba(67,96,74,.08);padding:2px 8px;border-radius:6px}
.sides{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.side{display:flex;gap:14px;align-items:flex-start;background:var(--paper2);border-radius:14px;padding:18px 20px}
.side .dot{width:38px;height:38px;flex:none;border-radius:10px;background:var(--moss);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-size:18px}
.side h4{font-size:15.5px;font-family:var(--serif)}
.side p{font-size:13px;color:var(--t2);margin-top:2px}
/* SECTION: craft */
.craft{background:var(--ink);color:var(--paper)}
.craft .sec-head h2,.coop .sec-head h2{color:inherit}
.craft-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.craft-card{border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:26px 22px;background:rgba(255,255,255,.03);transition:.25s}
.craft-card:hover{background:rgba(255,107,53,.07);border-color:rgba(217,69,31,.5)}
.craft-card .no{font-family:var(--serif);color:var(--gold);font-size:15px;letter-spacing:.2em}
.craft-card h3{font-size:20px;margin:8px 0 10px}
.craft-card p{font-size:13.5px;color:rgba(250,246,239,.6)}
/* SECTION: story */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.poem{font-family:var(--serif);font-size:clamp(21px,2.6vw,28px);line-height:1.9;color:var(--t1)}
.poem small{display:block;font-size:13px;color:var(--t2);font-family:var(--sans);margin-top:14px}
.philo{color:var(--t2);margin-top:22px;font-size:15px}
.sizi{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}
.sizi .zi{background:#fff;border:1px solid var(--line);border-radius:12px;text-align:center;padding:16px 8px;transition:.2s}
.sizi .zi:hover{border-color:var(--ember);transform:translateY(-3px)}
.sizi .zi b{font-family:var(--serif);font-size:26px;color:var(--ember);display:block}
.sizi .zi span{font-size:13px;color:var(--t2);display:block;margin-top:4px;line-height:1.4}
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--ember),var(--gold))}
.tl-item{position:relative;padding:0 0 24px 18px}
.tl-item::before{content:"";position:absolute;left:-26px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--paper);border:3px solid var(--ember)}
.tl-item b{font-family:var(--serif);color:var(--ember);font-size:15px;letter-spacing:.05em}
.tl-item p{font-size:14.5px;color:var(--t2);margin-top:2px}
/* SECTION: prose 内页正文 */
.prose{max-width:860px;font-size:15.5px;color:var(--t2)}
.prose h3{font-size:19px;color:var(--t1);margin:26px 0 10px}
.prose p{margin-bottom:12px}
.note{background:rgba(201,160,78,.1);border:1px solid rgba(201,160,78,.35);border-radius:12px;padding:14px 18px;font-size:13.5px;color:var(--t2)}
/* SECTION: stores */
.stores-bg{background:var(--paper2)}
.store-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.store{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.25s}
.store:hover{box-shadow:0 14px 32px rgba(33,29,25,.08);transform:translateY(-3px)}
.store .ph{aspect-ratio:16/7;margin-bottom:16px}
.store h3{font-size:16.5px}
.store .meta{margin-top:10px;font-size:13.5px;color:var(--t2);display:flex;flex-direction:column;gap:6px}
.store .meta b{color:var(--t1);font-weight:600}
.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
.region{background:#fff;border:1px solid var(--line);border-radius:14px;text-align:center;padding:20px 10px}
.region b{font-family:var(--serif);font-size:30px;color:var(--ember);display:block;line-height:1.1}
.region span{font-size:13.5px;color:var(--t2)}
/* SECTION: faq */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
details.qa{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.2s}
details.qa[open]{border-color:var(--ember);box-shadow:0 10px 26px rgba(217,69,31,.07)}
details.qa summary{list-style:none;cursor:pointer;padding:20px 24px;font-family:var(--serif);font-size:17px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:16px}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary::after{content:"+";font-size:24px;color:var(--ember);transition:.25s;flex:none;font-family:var(--sans)}
details.qa[open] summary::after{transform:rotate(45deg)}
details.qa .a{color:var(--t2);font-size:14.5px;border-top:1px dashed var(--line);margin:0 24px;padding:14px 0 20px}
/* SECTION: coop & form */
.coop{background:linear-gradient(160deg,#221a13,#160f0b 70%);color:var(--paper)}
.coop-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.coop h2{color:var(--paper)}
.flow{margin-top:26px;display:flex;flex-direction:column}
.flow .fs{display:flex;gap:18px;padding:13px 0;position:relative}
.flow .fs .n{font-family:var(--serif);font-size:19px;color:var(--gold);width:38px;flex:none;height:38px;border:1px solid rgba(201,160,78,.45);border-radius:50%;display:grid;place-items:center;background:rgba(201,160,78,.07)}
.flow .fs h4{font-size:16px}
.flow .fs p{font-size:13.5px;color:rgba(250,246,239,.55);margin-top:2px}
.flow .fs::before{content:"";position:absolute;left:18px;top:54px;bottom:-6px;width:1px;background:rgba(201,160,78,.3)}
.flow .fs:last-child::before{display:none}
.coop-tel{margin-top:28px;display:flex;align-items:center;gap:16px;background:rgba(217,69,31,.12);border:1px solid rgba(217,69,31,.4);border-radius:16px;padding:18px 22px;flex-wrap:wrap}
.coop-tel .num{font-family:var(--serif);font-size:clamp(21px,2.8vw,28px);color:#ffd9c9;letter-spacing:.04em}
.coop-tel small{display:block;color:rgba(250,246,239,.5);font-size:12px;letter-spacing:.1em}
.copy-btn{margin-left:auto;background:rgba(255,255,255,.1);color:var(--paper);border:1px solid rgba(255,255,255,.25);border-radius:99px;padding:8px 18px;font-size:13.5px;cursor:pointer;transition:.2s}
.copy-btn:hover{background:rgba(255,255,255,.18)}
.form-card{background:var(--paper);color:var(--t1);border-radius:20px;padding:32px;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.form-card h3{font-size:21px;margin-bottom:4px}
.fh{font-size:13.5px;color:var(--t2);margin-bottom:20px}
.fld{margin-bottom:15px}
.fld label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
.fld label i{color:var(--ember);font-style:normal}
.fld input,.fld select,.fld textarea{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;font-family:inherit;background:#fff;transition:.2s;color:var(--t1)}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--ember)}
.fld .err{color:var(--ember);font-size:12.5px;margin-top:4px;display:none}
.fld.bad input,.fld.bad select{border-color:var(--ember)}
.fld.bad .err{display:block}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.submit{width:100%;justify-content:center;margin-top:6px}
.form-tip{font-size:12px;color:var(--t2);text-align:center;margin-top:12px}
.form-ok{display:none;text-align:center;padding:34px 10px}
.form-ok .ic{width:62px;height:62px;margin:0 auto 14px;border-radius:50%;background:rgba(67,96,74,.12);color:var(--moss);display:grid;place-items:center;font-size:28px}
.form-ok h4{font-family:var(--serif);font-size:19px}
.form-ok p{font-size:14px;color:var(--t2);margin-top:8px}
.form-ok button{margin-top:16px;background:none;border:1.5px solid var(--line);border-radius:99px;padding:9px 22px;font-size:14px;cursor:pointer;color:var(--t2)}
/* SECTION: news */
.news-list{max-width:860px;display:flex;flex-direction:column;gap:14px}
.news-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 26px;display:flex;gap:22px;align-items:baseline;transition:.2s}
.news-item:hover{border-color:var(--gold);box-shadow:0 10px 26px rgba(33,29,25,.06)}
.news-item time{font-family:var(--serif);color:var(--ember);font-size:14.5px;flex:none;width:92px}
.news-item h3{font-size:17px}
.news-item p{font-size:13.5px;color:var(--t2);margin-top:4px}
/* SECTION: contact */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px}
.info-card .ic{width:46px;height:46px;border-radius:12px;background:rgba(217,69,31,.08);color:var(--ember);display:grid;place-items:center;font-size:22px;margin-bottom:14px;font-family:var(--serif)}
.info-card h3{font-size:17px;margin-bottom:6px}
.info-card p{font-size:14px;color:var(--t2)}
.info-card a{color:var(--ember);font-weight:600}
/* SECTION: cta-band */
.cta-band{background:var(--ember);color:#fff;text-align:center;padding:56px 24px}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:10px}
.cta-band p{opacity:.85;font-size:15px;margin-bottom:24px}
.cta-band .btn{background:#fff;color:var(--ember)}
.cta-band .btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.25)}
/* SECTION: footer */
footer{background:#14100d;color:rgba(250,246,239,.6);font-size:13.5px;padding:52px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:44px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.08)}
footer h5{font-family:var(--serif);color:var(--paper);font-size:16px;margin-bottom:14px}
.foot-links{display:flex;flex-direction:column;gap:9px}
.foot-links a:hover{color:var(--ember2)}
.foot-brand .seal{display:inline-grid;width:40px;height:40px;border-radius:9px;background:var(--ember);color:#fff;font-family:var(--serif);font-size:21px;place-items:center;margin-bottom:12px}
.foot-brand p{max-width:360px;line-height:1.9}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;padding-top:20px;font-size:12.5px;color:rgba(250,246,239,.38);flex-wrap:wrap}
.foot-bottom a{color:rgba(250,246,239,.5)}
.kw-strip{margin-top:16px;font-size:12px;color:rgba(250,246,239,.32);line-height:2}
.kw-strip b{color:rgba(250,246,239,.45);font-weight:500}
/* SECTION: responsive */
@media (max-width:980px){
  .menu,.tel-btn{display:none}
  .burger{display:block}
  .hero-grid,.story-grid,.coop-grid{grid-template-columns:1fr}
  .hero .ph{aspect-ratio:16/9}
  .menu-grid,.craft-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .store-grid,.sides,.info-grid,.region-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-open .menu{display:flex;position:fixed;left:0;right:0;top:66px;background:rgba(20,16,13,.98);flex-direction:column;padding:16px 28px 26px;gap:4px;color:var(--paper)}
  .nav-open .menu a{padding:12px 0;font-size:17px;border-bottom:1px solid rgba(255,255,255,.06)}
}
@media (max-width:620px){
  .sec{padding:58px 0}
  .menu-grid,.craft-grid,.store-grid,.sides,.stats-grid,.f-row,.info-grid,.region-grid{grid-template-columns:1fr}
  .sizi{grid-template-columns:repeat(4,1fr)}
  .form-card{padding:24px 18px}
  .foot-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column;gap:4px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}