/* ============================================================
   永昌美工艺品 · WINWIN
   深酒红 × 香槟金 × 米白纸感 · 工艺画册风
   全新骨架（衬线标题 / 编号章节 / 不对称陈列 / 画框认证）
   ============================================================ */

/* ---------- 1. Tokens ---------- */
.skip-link{position:fixed;top:10px;left:10px;z-index:1000;padding:10px 14px;background:#fff;color:#4A1420;font-weight:700;transform:translateY(-150%);transition:transform .2s ease}
.skip-link:focus{transform:translateY(0);outline:3px solid #D9A85C;outline-offset:2px}
.skip-target{display:block;position:relative;top:-90px;visibility:hidden}

:root{
  --wine:#4A1420;
  --wine-2:#5E1B2A;
  --wine-3:#7C2838;
  --wine-deep:#2B0910;
  --champ:#D9A85C;
  --champ-2:#F0D9A8;
  --champ-3:#A87A38;
  --cream:#F7F2E9;
  --paper:#FDFBF7;
  --coal:#26201C;
  --coal-2:#5C534B;
  --coal-3:#8D8378;
  --line:#E6DCCC;
  --line-gold:rgba(217,168,92,.38);
  --serif:"Songti SC","Noto Serif SC","STSong","STSongti-SC","SimSun",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --maxw:1320px;
  --pad:44px;
  --head-h:76px;
  --sh:0 24px 60px -28px rgba(43,9,16,.35);
  --sh-soft:0 10px 30px -18px rgba(43,9,16,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--coal);background:var(--paper);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none}
::selection{background:var(--champ);color:var(--wine-deep)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.band{padding:104px 0}
.band-cream{background:var(--cream)}
.band-wine{background:linear-gradient(150deg,var(--wine-deep) 0%,var(--wine) 58%,var(--wine-2) 120%);color:rgba(255,255,255,.85)}
.band-wine h2,.band-wine h3{color:#fff}

/* ---------- 3. Masthead ---------- */
.masthead{position:sticky;top:0;z-index:300;background:rgba(253,251,247,.96);backdrop-filter:blur(12px)}
.masthead::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent 4%,var(--line-gold) 30%,var(--line-gold) 70%,transparent 96%)}
.masthead .wrap{height:var(--head-h);display:flex;align-items:center;gap:30px}
.m-brand{display:flex;align-items:center;gap:14px;flex-shrink:0}
.m-brand img{height:46px;width:auto}
.m-brand-txt{display:flex;flex-direction:column;line-height:1.2;padding-left:14px;border-left:1px solid var(--line)}
.m-brand-txt b{font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:.06em;color:var(--wine)}
.m-brand-txt i{font-style:normal;font-size:9px;letter-spacing:.24em;color:var(--coal-3);font-weight:600}
.m-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.m-nav-item{position:relative;display:flex;align-items:center}
.m-nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:var(--coal-2);transition:color .2s}
.m-nav-item.has-sub .m-nav-link{padding-right:34px}
.m-nav-link:hover,.m-nav-link:focus-visible{color:var(--wine)}
.m-nav-link.on{color:var(--wine)}
.m-nav-link.on::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--champ)}
.m-sub-toggle{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;width:28px;height:34px;margin-left:-32px;color:var(--coal-3);border-radius:3px;transition:color .2s,background .2s}
.m-sub-toggle:hover,.m-sub-toggle:focus-visible{color:var(--wine);background:var(--cream);outline:none}
.m-sub-toggle span{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .22s var(--ease)}
.m-subnav{position:absolute;top:calc(100% + 9px);left:50%;z-index:310;min-width:190px;padding:8px;background:var(--paper);border:1px solid var(--line);border-radius:3px;box-shadow:0 18px 42px -22px rgba(43,9,16,.45);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,8px);transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s}
.m-subnav::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:10px}
.m-subnav a{display:flex;align-items:center;min-height:42px;padding:9px 13px;border-radius:2px;font-size:14px;font-weight:600;line-height:1.45;color:var(--coal-2);white-space:nowrap;transition:color .2s,background .2s}
.m-subnav a:hover,.m-subnav a:focus-visible,.m-subnav a.on{color:var(--wine);background:var(--cream);outline:none}
.m-nav-item:hover>.m-subnav,.m-nav-item.sub-open>.m-subnav{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.m-nav-item:hover>.m-sub-toggle span,.m-nav-item.sub-open>.m-sub-toggle span{transform:translateY(2px) rotate(225deg)}
.m-call{flex-shrink:0;display:inline-flex;align-items:center;gap:9px;padding:10px 20px;border:1px solid var(--line-gold);border-radius:3px;font-size:14.5px;font-weight:700;color:var(--wine);transition:background .2s,color .2s}
.m-call:hover{background:var(--wine);color:#fff;border-color:var(--wine)}
.m-call img{width:15px;height:15px}
.m-burger{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;margin-left:auto}
.m-burger span{width:22px;height:2px;background:var(--wine);border-radius:2px;transition:transform .25s,opacity .25s}
.m-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.m-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.m-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 4. Billboard (hero) ---------- */
.billboard{position:relative;overflow:hidden;background:var(--wine-deep);color:#fff;min-height:calc(100vh - var(--head-h));display:flex;flex-direction:column}
.bb-img{position:absolute;inset:0;z-index:0}
.bb-img img{position:absolute;right:0;top:0;width:60%;height:100%;object-fit:cover;opacity:.92;
  -webkit-mask-image:linear-gradient(to right,transparent 0%,#000 40%);mask-image:linear-gradient(to right,transparent 0%,#000 40%)}
.bb-veil{position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,var(--wine-deep) 6%,rgba(43,9,16,.94) 32%,rgba(74,20,32,.55) 60%,rgba(43,9,16,.3) 100%)}
.bb-veil::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(240,217,168,.06) 1px,transparent 1px);background-size:30px 30px}
.bb-in{position:relative;z-index:2;flex:1;display:flex;align-items:center;width:100%;padding:96px var(--pad) 72px}
.bb-est{position:absolute;left:calc(var(--pad) * .35);top:50%;transform:translateY(-58%);writing-mode:vertical-rl;font-size:11.5px;letter-spacing:.5em;color:rgba(240,217,168,.55);font-weight:600;z-index:3}
.bb-copy{max-width:660px}
.bb-tag{display:inline-flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.28em;color:var(--champ-2);font-weight:600}
.bb-tag::before,.bb-tag::after{content:"";width:40px;height:1px;background:var(--line-gold)}
.billboard h1{margin-top:30px;font-family:var(--serif);font-weight:700;font-size:clamp(42px,5.6vw,78px);line-height:1.22;letter-spacing:.02em}
.billboard h1 .hl{color:var(--champ-2)}
.bb-lead{margin-top:26px;max-width:560px;font-size:17px;line-height:1.95;color:rgba(255,255,255,.76)}
.bb-actions{margin-top:42px;display:flex;gap:16px;flex-wrap:wrap}
.bb-foot{position:relative;z-index:2;border-top:1px solid rgba(240,217,168,.18);background:rgba(43,9,16,.5);backdrop-filter:blur(6px)}
.bb-foot .wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}
.bb-foot b{font-size:13.5px;font-weight:600;color:var(--champ-2);letter-spacing:.08em}
.bb-foot span{font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:.1em}

/* ---------- 5. Buttons ---------- */
.btn-fill{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 34px;background:linear-gradient(135deg,var(--champ-2),var(--champ));color:var(--wine-deep);font-size:16px;font-weight:700;border-radius:3px;transition:transform .2s var(--ease),box-shadow .2s;box-shadow:0 14px 30px -14px rgba(217,168,92,.6)}
.btn-fill img{width:17px;height:17px}
.btn-fill:hover{transform:translateY(-2px);box-shadow:0 20px 38px -14px rgba(217,168,92,.7)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 32px;border:1px solid rgba(255,255,255,.45);color:#fff;font-size:16px;font-weight:700;border-radius:3px;transition:border-color .2s,color .2s,transform .2s}
.btn-line img{width:17px;height:17px;filter:invert(1)}
.btn-line:hover{border-color:var(--champ-2);color:var(--champ-2);transform:translateY(-2px)}
.btn-ink{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 32px;background:var(--wine);color:#fff;font-size:16px;font-weight:700;border-radius:3px;transition:background .2s,transform .2s}
.btn-ink img{width:17px;height:17px;filter:invert(1)}
.btn-ink:hover{background:var(--wine-2);transform:translateY(-2px)}

/* ---------- 6. Chapter (编号章节头) ---------- */
.chapter{display:flex;align-items:center;gap:28px;padding-bottom:26px;border-bottom:1px solid var(--line-gold);margin-bottom:56px}
.chapter .no{font-family:var(--serif);font-style:italic;font-size:clamp(44px,4.6vw,66px);line-height:.9;color:transparent;-webkit-text-stroke:1.2px var(--champ);font-weight:700;flex-shrink:0}
.chapter-txt h2{font-family:var(--serif);font-size:clamp(27px,3vw,40px);font-weight:700;color:var(--coal);letter-spacing:.02em}
.chapter-txt .cat{display:block;font-size:12px;letter-spacing:.34em;color:var(--champ-3);font-weight:700;text-transform:uppercase;margin-bottom:12px}
.chapter-txt p{margin-top:12px;font-size:15.5px;color:var(--coal-2);max-width:640px}
.band-wine .chapter{border-bottom-color:rgba(240,217,168,.3)}
.band-wine .chapter-txt h2{color:#fff}
.band-wine .chapter-txt p{color:rgba(255,255,255,.66)}
.chapter.center{flex-direction:column;align-items:center;text-align:center;gap:10px}
.chapter.center .chapter-txt p{margin-left:auto;margin-right:auto}

/* ---------- 7. Marquee (认证滚动带) ---------- */
.marquee{overflow:hidden;background:var(--wine);border-top:1px solid rgba(240,217,168,.25);border-bottom:1px solid rgba(240,217,168,.25)}
.mq-track{display:flex;width:max-content;animation:mq 44s linear infinite}
.marquee:hover .mq-track{animation-play-state:paused}
.mq-seg{display:flex;align-items:center;gap:0;padding:17px 0}
.mq-seg span{font-family:var(--serif);font-size:15.5px;letter-spacing:.14em;color:rgba(240,217,168,.85);white-space:nowrap;padding:0 26px}
.mq-seg i{font-style:normal;color:var(--champ);font-size:11px}
@keyframes mq{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.mq-track{animation:none}}

/* ---------- 8. Figures (数字段) ---------- */
.figures{display:flex;flex-wrap:wrap}
.figure{flex:1 1 0;min-width:220px;padding:10px 34px;border-left:1px solid var(--line)}
.figure:first-child{border-left:0;padding-left:0}
.figure b{display:block;font-family:var(--serif);font-size:clamp(40px,4vw,58px);font-weight:700;color:var(--wine);line-height:1.05;font-variant-numeric:tabular-nums}
.figure b small{font-size:.44em;font-weight:600;color:var(--champ-3);margin-left:6px;letter-spacing:.08em}
.figure span{display:block;margin-top:10px;font-size:14px;color:var(--coal-2);letter-spacing:.04em}
.band-wine .figure{border-left-color:rgba(240,217,168,.22)}
.band-wine .figure b{color:var(--champ-2)}
.band-wine .figure b small{color:rgba(240,217,168,.7)}
.band-wine .figure span{color:rgba(255,255,255,.68)}

/* ---------- 9. Gallery (不对称产品陈列) ---------- */
.gallery{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:252px;gap:16px}
.piece{position:relative;overflow:hidden;border-radius:3px;background:#fff;box-shadow:var(--sh-soft);border:1px solid rgba(217,168,92,.24);display:flex;flex-direction:column;margin:0;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.piece:hover{transform:translateY(-4px);box-shadow:var(--sh-lift)}
.pc-img{flex:1;min-height:0;padding:14px}
.pc-img img{width:100%;height:100%;object-fit:contain;transition:transform .55s var(--ease)}
.piece:hover .pc-img img{transform:scale(1.05)}
.piece figcaption{display:flex;align-items:baseline;gap:10px;border-top:1px solid rgba(217,168,92,.4);padding:13px 16px;background:#fff;flex-shrink:0;transition:border-color .3s}
.piece:hover figcaption{border-top-color:var(--champ)}
.piece figcaption .pc-no{font-family:var(--serif);font-style:italic;font-weight:700;color:var(--champ);font-size:13px}
.piece figcaption .pc-name{font-weight:700;font-size:15px;color:var(--coal)}
.piece figcaption .pc-en{margin-left:auto;font-style:normal;font-size:10px;letter-spacing:.2em;color:var(--coal-3);white-space:nowrap}
.piece.w2h2{grid-column:span 2;grid-row:span 2}
.piece.w2{grid-column:span 2}
.piece.w3{grid-column:span 3}
.piece.w4{grid-column:span 4}
.piece.w4h2{grid-column:span 4;grid-row:span 2}
.p-more{grid-column:span 2;border-radius:3px;background:linear-gradient(160deg,var(--wine-deep),var(--wine-2));color:#fff;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:28px;box-shadow:var(--sh-soft);position:relative;overflow:hidden}
.p-more::after{content:"";position:absolute;right:-34px;bottom:-34px;width:130px;height:130px;border:1px solid rgba(217,168,92,.35);border-radius:50%}
.p-more b{font-family:var(--serif);font-size:40px;line-height:1;color:var(--champ-2)}
.p-more h4{font-size:17px;margin:10px 0 8px;letter-spacing:.02em}
.p-more p{font-size:12.5px;color:rgba(255,255,255,.72);line-height:1.9}
.p-more a{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:11.5px;letter-spacing:.2em;color:var(--champ-2);font-weight:600}
.p-more a img{filter:brightness(1.2)}
@media (min-width:761px){.p-more.wide{grid-column:span 6;flex-direction:row;align-items:center;gap:30px;padding:26px 36px}.p-more.wide b{font-size:44px}.p-more.wide h4{font-size:18px;margin:6px 0 4px}.p-more.wide p{margin:0}.p-more.wide a{margin:0 0 0 auto}}
.p-more.wide{flex-direction:column;align-items:flex-start}
@media (max-width:760px){.p-more.wide{grid-column:span 2}}

/* ---------- 10. Duo (图文并排) ---------- */
.duo{display:grid;grid-template-columns:1.05fr 1fr;gap:72px;align-items:center}
.duo.flip{grid-template-columns:1fr 1.05fr}
.duo.flip .duo-media{order:2}
.duo.flip .duo-copy{order:1}
.duo-media{position:relative}
.duo-media>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:3px;box-shadow:var(--sh)}
.duo-media .duo-badge{position:absolute;right:-16px;bottom:-16px;background:var(--wine);color:var(--champ-2);padding:16px 24px;border-radius:3px;font-size:14px;font-weight:700;line-height:1.5;box-shadow:var(--sh-soft)}
.duo-media .duo-badge small{display:block;font-size:11px;font-weight:500;opacity:.75;letter-spacing:.12em}
.duo-copy .kicker{display:inline-flex;align-items:center;gap:11px;font-size:12px;letter-spacing:.3em;color:var(--champ-3);font-weight:700;text-transform:uppercase}
.duo-copy .kicker::before{content:"";width:30px;height:1px;background:var(--champ)}
.duo-copy h2{margin-top:16px;font-family:var(--serif);font-size:clamp(26px,2.7vw,38px);font-weight:700;color:var(--coal)}
.duo-copy .lede{margin-top:18px;font-size:16.5px;color:var(--coal-2)}
.duo-copy p+p{margin-top:12px}
.ticks{margin-top:26px}
.ticks li{position:relative;padding:11px 0 11px 32px;font-size:15.5px;color:var(--coal-2);border-bottom:1px dashed var(--line)}
.ticks li:last-child{border-bottom:0}
.ticks li::before{content:"";position:absolute;left:0;top:15px;width:18px;height:18px;border-radius:2px;background:var(--cream) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23A87A38' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5.5 12.5 4.5 4.5 9-10'/%3E%3C/svg%3E") center/12px no-repeat}
.ticks li b{color:var(--coal);font-weight:700}
.ticks.on-wine li{color:rgba(255,255,255,.8);border-color:rgba(255,255,255,.16)}
.ticks.on-wine li::before{background-color:rgba(217,168,92,.16)}
.ticks.on-wine li b{color:#fff}
.duo-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 11. Feat (金顶线卡) ---------- */
.feats{display:grid;gap:22px}
.feats.c3{grid-template-columns:repeat(3,1fr)}
.feats.c4{grid-template-columns:repeat(4,1fr)}
.feat{position:relative;padding:34px 28px 30px;background:#fff;border:1px solid var(--line);border-radius:3px;transition:transform .3s var(--ease),box-shadow .3s}
.feat::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;border-radius:3px 3px 0 0;background:linear-gradient(90deg,var(--champ),transparent 70%);opacity:0;transition:opacity .3s}
.feat:hover{transform:translateY(-5px);box-shadow:var(--sh-soft)}
.feat:hover::before{opacity:1}
.feat .fn{font-family:var(--serif);font-style:italic;font-size:15px;color:var(--champ-3);font-weight:700}
.feat h3{margin-top:12px;font-size:18.5px;font-weight:800;color:var(--coal)}
.feat p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--coal-2)}
.feat .fic{width:46px;height:46px;border-radius:3px;background:var(--wine);display:inline-flex;align-items:center;justify-content:center;margin-bottom:18px}
.feat .fic img{width:23px;height:23px;filter:invert(1)}
.band-wine .feat{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14)}
.band-wine .feat h3{color:#fff}
.band-wine .feat p{color:rgba(255,255,255,.66)}
.band-wine .feat .fn{color:var(--champ-2)}

/* ---------- 12. Timeline (工艺时间线) ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:23px;height:1px;background:var(--line-gold)}
.tl-step{position:relative;padding:0 26px 0 0}
.tl-dot{position:relative;z-index:1;width:46px;height:46px;border-radius:50%;background:var(--paper);border:1px solid var(--champ);display:inline-flex;align-items:center;justify-content:center;font-family:var(--serif);font-style:italic;font-weight:700;font-size:16px;color:var(--champ-3)}
.tl-step h3{margin-top:20px;font-size:17.5px;font-weight:800;color:var(--coal)}
.tl-step p{margin-top:9px;font-size:14px;line-height:1.75;color:var(--coal-2)}
.band-wine .tl-dot{background:var(--wine-deep);color:var(--champ-2)}
.band-wine .tl-step h3{color:#fff}
.band-wine .tl-step p{color:rgba(255,255,255,.66)}

/* ---------- 13. Frames (画框证书墙) ---------- */
.frames{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.frame{background:#fff;padding:10px;border:1px solid var(--line-gold);border-radius:3px;box-shadow:var(--sh-soft);transition:transform .3s var(--ease),box-shadow .3s}
.frame:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.frame img{width:100%;aspect-ratio:3/4.15;object-fit:cover;border-radius:2px}
.frame figcaption{padding:12px 6px 6px;text-align:center}
.frame figcaption b{display:block;font-size:14.5px;font-weight:700;color:var(--coal)}
.frame figcaption span{display:block;margin-top:3px;font-size:11.5px;letter-spacing:.14em;color:var(--champ-3)}

/* ---------- 14. Page head & index ---------- */
.page-head{position:relative;overflow:hidden;background:var(--cream);padding:88px 0 64px;border-bottom:1px solid var(--line)}
.page-head .ghost{position:absolute;right:-10px;top:-46px;font-family:var(--serif);font-style:italic;font-weight:700;font-size:clamp(160px,20vw,300px);line-height:1;color:rgba(74,20,32,.055);pointer-events:none;user-select:none}
.crumbs{display:flex;align-items:center;gap:11px;font-size:13.5px;color:var(--coal-3)}
.crumbs a:hover{color:var(--wine)}
.crumbs i{font-style:normal;color:var(--champ-3)}
.crumbs b{color:var(--champ-3);font-weight:600}
.page-head h1{position:relative;margin-top:20px;font-family:var(--serif);font-size:clamp(32px,4.4vw,56px);font-weight:700;color:var(--coal);letter-spacing:.02em;max-width:18em}
.page-head .ph-sub{position:relative;margin-top:18px;max-width:680px;font-size:16.5px;line-height:1.9;color:var(--coal-2)}
.page-index{position:sticky;top:var(--head-h);z-index:200;background:rgba(253,251,247,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.page-index .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;padding-top:0;padding-bottom:0}
.page-index .wrap::-webkit-scrollbar{display:none}
.page-index a{flex-shrink:0;padding:16px 16px;font-size:14px;font-weight:600;color:var(--coal-2);position:relative;transition:color .2s}
.page-index a:hover{color:var(--wine)}
.page-index a.on{color:var(--wine)}
.page-index a.on::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--champ)}

/* ---------- 15. Series (产品系列) ---------- */
.series{margin-top:64px}
.series-head{display:flex;align-items:baseline;gap:18px;margin-bottom:26px}
.series-head .sn{font-family:var(--serif);font-style:italic;font-size:22px;color:var(--champ-3);font-weight:700}
.series-head h2,.series-head h3{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--coal)}
.series-head p{font-size:14px;color:var(--coal-3);margin-left:auto;text-align:right}
.tilewall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tile{position:relative;margin:0;border-radius:3px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.tile img{width:100%;aspect-ratio:1/1;object-fit:cover;padding:10px;transition:transform .5s var(--ease)}
.tile:hover img{transform:scale(1.04)}
.tile figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;font-size:12.5px;font-weight:600;color:#fff;background:linear-gradient(to top,rgba(43,9,16,.82),transparent);opacity:0;transition:opacity .3s}
.tile:hover figcaption{opacity:1}

/* ---------- 16. Sheet (表格 / 表单) ---------- */
.sheet{background:#fff;border:1px solid var(--line);border-top:3px solid var(--champ);border-radius:3px;box-shadow:var(--sh-soft);overflow:hidden}
.sheet-table{width:100%;min-width:620px;border-collapse:collapse;font-size:15px}
.sheet-table caption{text-align:left;padding:20px 26px;font-family:var(--serif);font-size:17px;font-weight:700;color:var(--coal);border-bottom:1px solid var(--line)}
.sheet-table th{background:var(--cream);color:var(--wine);font-weight:700;text-align:left;padding:14px 26px;font-size:13.5px;letter-spacing:.06em;white-space:nowrap}
.sheet-table td{padding:15px 26px;border-top:1px solid var(--line);color:var(--coal-2);vertical-align:top;line-height:1.7}
.sheet-table td:first-child{font-weight:700;color:var(--coal);white-space:nowrap}
.sheet-table tr:hover td{background:var(--cream)}
.sheet-pad{padding:38px 36px}
.form-grid{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fld{display:flex;flex-direction:column;gap:8px}
.fld.full{grid-column:1/-1}
.fld label{font-size:13.5px;font-weight:700;color:var(--coal);letter-spacing:.04em}
.fld label em{color:#C2410C;font-style:normal;margin-left:3px}
.fld input,.fld select,.fld textarea{padding:12px 2px;border:0;border-bottom:1.5px solid var(--line);border-radius:0;font:inherit;font-size:15px;color:var(--coal);background:transparent;transition:border-color .2s}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-bottom-color:var(--champ-3)}
.fld textarea{min-height:110px;resize:vertical}
.form-hint{grid-column:1/-1;font-size:13px;color:var(--coal-3)}
.form-done{grid-column:1/-1;display:none;padding:15px 20px;border-radius:3px;background:var(--cream);border:1px solid var(--line-gold);color:var(--champ-3);font-size:15px;font-weight:600}
.form-done.show{display:block}
.form-grid .btn-ink{grid-column:1/-1;justify-self:start;padding:15px 44px}
.form-grid .btn-ink[disabled]{opacity:.6;cursor:default;transform:none}

/* ---------- 17. QA (手风琴) ---------- */
.qa-group{margin-bottom:52px}
.qa-group>h2{display:flex;align-items:center;gap:14px;font-family:var(--serif);font-size:23px;font-weight:700;color:var(--coal);margin-bottom:20px}
.qa-group>h2 .qn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:3px;background:var(--wine);color:var(--champ-2);font-size:14px;font-family:var(--sans);font-weight:800}
.qa{background:#fff;border:1px solid var(--line);border-radius:3px;margin-bottom:10px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.qa.open{border-color:var(--line-gold);box-shadow:var(--sh-soft)}
.qa-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--coal);font-family:var(--serif)}
.qa-q:hover{color:var(--wine)}
.qa-x{flex-shrink:0;position:relative;width:20px;height:20px}
.qa-x::before,.qa-x::after{content:"";position:absolute;left:50%;top:50%;background:var(--champ-3);border-radius:2px;transition:transform .3s var(--ease)}
.qa-x::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.qa-x::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.qa.open .qa-x::after{transform:translate(-50%,-50%) scaleY(0)}
.qa-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.qa-a-in{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--coal-2)}
.qa-a-in p+p{margin-top:10px}
.qa-a-in strong{color:var(--coal)}

/* ---------- 18. Contact ---------- */
.contact-duo{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start}
.reach{display:flex;flex-direction:column;gap:14px}
.rc{display:flex;gap:17px;padding:23px 25px;background:#fff;border:1px solid var(--line);border-radius:3px;transition:border-color .25s}
.rc:hover{border-color:var(--line-gold)}
.rc .ric{flex-shrink:0;width:46px;height:46px;border-radius:3px;background:var(--wine);display:inline-flex;align-items:center;justify-content:center}
.rc .ric img{width:22px;height:22px;filter:invert(1)}
.rc h3{font-size:13px;font-weight:700;color:var(--coal-3);letter-spacing:.1em}
.rc .rv{margin-top:5px;font-size:18.5px;font-weight:800;color:var(--coal);line-height:1.45;word-break:break-all}
.rc .rv a:hover{color:var(--wine)}
.rc p{margin-top:5px;font-size:13.5px;color:var(--coal-2)}

/* ---------- 19. Appeal (封底式 CTA) ---------- */
.appeal{position:relative;overflow:hidden;background:linear-gradient(150deg,var(--wine-deep),var(--wine) 62%,var(--wine-2) 130%);color:#fff;text-align:center;padding:96px 0}
.appeal::before{content:"";position:absolute;inset:22px;border:1px solid rgba(240,217,168,.28);border-radius:3px;pointer-events:none}
.appeal::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(240,217,168,.05) 1px,transparent 1px);background-size:26px 26px}
.appeal .wrap{position:relative;z-index:1;max-width:860px}
.appeal .kicker{font-size:12px;letter-spacing:.4em;color:var(--champ-2);font-weight:600}
.appeal h2{margin-top:20px;font-family:var(--serif);font-size:clamp(28px,3.4vw,46px);font-weight:700}
.appeal p{margin-top:18px;font-size:16.5px;color:rgba(255,255,255,.75);max-width:600px;margin-left:auto;margin-right:auto}
.appeal-actions{margin-top:40px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ---------- 20. Signoff (footer) ---------- */
.signoff{background:var(--wine-deep);color:rgba(255,255,255,.66)}
.so-top{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;padding:74px 0 54px;border-bottom:1px solid rgba(240,217,168,.16);flex-wrap:wrap}
.so-slogan h2{font-family:var(--serif);font-size:clamp(26px,3vw,40px);font-weight:700;color:#fff;line-height:1.4}
.so-slogan h2 em{font-style:normal;color:var(--champ-2)}
.so-slogan p{margin-top:16px;max-width:520px;font-size:14.5px;line-height:1.9}
.so-call{text-align:right;flex-shrink:0}
.so-call small{display:block;font-size:11.5px;letter-spacing:.3em;color:rgba(240,217,168,.6);font-weight:600}
.so-call a{display:block;margin-top:8px;font-family:var(--serif);font-size:clamp(28px,3vw,40px);font-weight:700;color:var(--champ-2);line-height:1.2;letter-spacing:.04em}
.so-call a:hover{color:#fff}
.so-call span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.55)}
.so-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:52px 0}
.so-brand .m-brand-txt b{color:#fff;border-left-color:rgba(255,255,255,.25)}
.so-brand .m-brand-txt i{color:rgba(255,255,255,.45)}
.so-brand p{margin-top:18px;font-size:13.5px;line-height:1.9;max-width:330px}
.so-col h3{font-size:12.5px;font-weight:700;letter-spacing:.28em;color:var(--champ-2);margin-bottom:20px}
.so-col ul{display:flex;flex-direction:column;gap:12px}
.so-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s}
.so-col a:hover{color:var(--champ-2)}
.so-bottom{border-top:1px solid rgba(240,217,168,.16);padding:20px 0;display:flex;justify-content:space-between;gap:14px;font-size:12.5px;color:rgba(255,255,255,.42);flex-wrap:wrap}
.so-legal{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.so-record{display:inline-flex;align-items:center;transition:color .2s}
.so-record::before{content:"";width:1px;height:11px;margin:0 11px;background:rgba(240,217,168,.28)}
.so-bottom a{color:inherit;text-underline-offset:3px;transition:color .2s}
.so-bottom a:hover{color:var(--champ-2)}
.so-links{text-align:right}

/* ---------- 21. Article ---------- */
.article-wrap{max-width:800px;margin:0 auto}
.article-head h1{font-family:var(--serif);font-size:clamp(28px,3.4vw,44px);font-weight:700;line-height:1.4;text-align:center}
.article-meta{margin-top:22px;display:flex;justify-content:center;align-items:center;gap:14px;font-size:13.5px;color:var(--coal-3)}
.article-meta b{color:var(--champ-3);font-weight:600}
.article-body{margin-top:52px;min-width:0;overflow-x:auto;overflow-wrap:anywhere}
/* Rich-text content keeps the formatting saved by the editor instead of
   inheriting the site's heading/list/paragraph resets. Inline styles from
   pasted articles still take precedence over these browser defaults. */
.article-body *{all:revert;box-sizing:border-box}
.article-body img,.article-body picture,.article-body video,.article-body audio,.article-body canvas,.article-body svg,.article-body iframe,.article-body embed,.article-body object{max-width:100%}
.article-body img,.article-body video,.article-body canvas,.article-body svg{height:auto}
.article-body table{max-width:100%}
.article-nav{max-width:800px;margin:60px auto 0;padding-top:28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.article-nav a{display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:var(--wine)}
.article-nav a:hover{color:var(--champ-3)}
.article-nav a img{width:16px;height:16px}
.article-nav a.back img{transform:rotate(180deg)}

/* ---------- 22. News list ---------- */
.lead-story{display:grid;grid-template-columns:1.15fr 1fr;background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden;transition:box-shadow .3s}
.lead-story:hover{box-shadow:var(--sh)}
.ls-img{position:relative;min-height:330px;overflow:hidden}
.ls-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.lead-story:hover .ls-img img{transform:scale(1.04)}
.ls-copy{padding:42px 40px;display:flex;flex-direction:column;justify-content:center}
.ls-copy .meta{display:flex;align-items:center;gap:13px;font-size:13px;color:var(--coal-3)}
.ls-copy .meta b{padding:4px 12px;background:rgba(217,168,92,.16);color:var(--champ-3);border-radius:999px;font-size:12px;font-weight:700}
.ls-copy h2{margin-top:15px;font-family:var(--serif);font-size:clamp(21px,2.1vw,28px);font-weight:700;line-height:1.5}
.ls-copy h2 a:hover{color:var(--wine)}
.ls-copy p{margin-top:13px;font-size:14.5px;color:var(--coal-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ls-copy .more{margin-top:20px;display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--wine)}
.ls-copy .more img{width:15px;height:15px}
.news-rows{margin-top:22px;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden}
.news-row{display:grid;grid-template-columns:140px 1fr auto;gap:24px;align-items:center;padding:23px 28px;border-top:1px solid var(--line);transition:background .2s}
.news-row:first-child{border-top:0}
.news-row:hover{background:var(--cream)}
.news-row .dt{font-size:13.5px;color:var(--coal-3);font-variant-numeric:tabular-nums}
.news-row .tt{font-size:16.5px;font-weight:700;color:var(--coal);line-height:1.55;font-family:var(--serif)}
.news-row:hover .tt{color:var(--wine)}
.news-row .ds{margin-top:4px;font-size:13.5px;color:var(--coal-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-row .go{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s}
.news-row .go img{width:15px;height:15px}
.news-row:hover .go{background:var(--champ);border-color:var(--champ)}

/* ---------- 22b. Home news ---------- */
.home-news{display:grid;grid-template-columns:1.08fr 1fr;gap:26px;align-items:stretch}
.hn-lead{grid-template-columns:1fr;align-content:start}
.hn-lead .ls-img{min-height:0;aspect-ratio:16/9}
.hn-lead .ls-copy{padding:30px 32px 34px}
.hn-side{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden}
.hn-side .news-row{grid-template-columns:88px 1fr auto;gap:16px;padding:21px 26px;flex:1}
.hn-side .news-row .tt{font-size:15.5px}
.hn-side .news-row .dt{font-size:13px}
.hn-all{margin-top:auto;display:flex;justify-content:center;align-items:center;gap:9px;padding:18px;border-top:1px dashed var(--line);font-size:13.5px;font-weight:700;letter-spacing:.14em;color:var(--wine);transition:background .2s}
.hn-all img{width:15px;height:15px}
.hn-all:hover{background:var(--cream)}
@media (max-width:960px){.home-news{grid-template-columns:1fr}}
@media (max-width:760px){.hn-side .news-row{grid-template-columns:1fr;gap:5px;padding:18px 20px}.hn-side .news-row .go{display:none}}

/* ---------- 23. Rise (入场) ---------- */
.rise{opacity:0;transform:translateY(24px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.rise.in{opacity:1;transform:none}
.craft-motion .rise{animation:none;transition:none}
@keyframes rise-safe{to{opacity:1;transform:none}}
.rise{animation:rise-safe .01s 4s forwards}
html:not(.js) .rise{opacity:1;transform:none;transition:none;animation:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rise{opacity:1;transform:none;transition:none;animation:none}
  *{animation-duration:.001s!important}
}

/* ---------- 24. Responsive ---------- */
@media (max-width:1290px){
  :root{--pad:30px}
  .m-nav{position:fixed;top:var(--head-h);left:0;right:0;z-index:290;display:none;flex-direction:column;align-items:stretch;gap:0;max-height:calc(100dvh - var(--head-h));overflow-y:auto;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--sh);padding:10px 22px 18px}
  .m-nav.open{display:flex}
  .m-nav-item{display:grid;grid-template-columns:minmax(0,1fr) 48px;align-items:stretch;border-bottom:1px solid var(--line)}
  .m-nav-item:last-child{border-bottom:0}
  .m-nav-link,.m-nav-item.has-sub .m-nav-link{padding:14px 8px;font-size:16px}
  .m-nav-link.on::after{left:8px;right:auto;bottom:5px;width:30px}
  .m-sub-toggle{position:static;width:48px;height:auto;min-height:50px;margin:0;border-left:1px solid var(--line);border-radius:0}
  .m-subnav{position:static;grid-column:1/-1;min-width:0;padding:6px 8px 8px 14px;background:var(--cream);border:0;border-top:1px dashed var(--line);border-radius:0;box-shadow:none;opacity:1;visibility:visible;pointer-events:auto;transform:none;transition:none;display:none}
  .m-subnav::before{display:none}
  .m-nav-item.sub-open>.m-subnav{display:block;transform:none}
  .m-subnav a{min-height:0;padding:11px 14px;border-radius:2px;font-size:14.5px;font-weight:500;white-space:normal}
  .m-nav-item:hover>.m-sub-toggle span{transform:translateY(-2px) rotate(45deg)}
  .m-nav-item.sub-open>.m-sub-toggle span{transform:translateY(2px) rotate(225deg)}
  .m-burger{display:flex}
  .m-call{display:none}
  .billboard{min-height:auto}
  .bb-in{padding:80px var(--pad) 64px}
  .bb-img img{width:100%;opacity:.32;-webkit-mask-image:linear-gradient(to bottom,transparent,#000 32%);mask-image:linear-gradient(to bottom,transparent,#000 32%)}
  .bb-veil{background:linear-gradient(180deg,rgba(43,9,16,.85),rgba(74,20,32,.92))}
  .bb-est{display:none}
  .duo,.duo.flip{grid-template-columns:1fr;gap:40px}
  .duo.flip .duo-media{order:0}
  .duo.flip .duo-copy{order:1}
  .feats.c3,.feats.c4{grid-template-columns:repeat(2,1fr)}
  .frames{grid-template-columns:repeat(3,1fr)}
  .tilewall{grid-template-columns:repeat(3,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:36px 20px}
  .timeline::before{display:none}
  .contact-duo{grid-template-columns:1fr;gap:38px}
  .so-grid{grid-template-columns:1fr 1fr;gap:36px}
  .lead-story{grid-template-columns:1fr}
  .ls-img{min-height:270px}
  .gallery{grid-auto-rows:170px}
}
@media (max-width:760px){
  :root{--pad:20px;--head-h:66px}
  .band{padding:72px 0}
  .m-brand img{height:36px}
  .m-brand-txt b{font-size:17px}
  .chapter{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:40px;padding-bottom:20px}
  .figures{flex-direction:column}
  .figure{border-left:0;padding:14px 0;border-top:1px solid var(--line)}
  .figure:first-child{border-top:0;padding-top:0}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:190px}
  .piece.w2h2{grid-column:span 2;grid-row:span 2}
  .piece.w2,.piece.w3,.piece.w4{grid-column:span 1;grid-row:span 1}
  .piece figcaption{padding:10px 12px;flex-wrap:wrap;gap:6px}
  .piece figcaption .pc-name{font-size:13px}
  .piece figcaption .pc-en{display:none}
  .p-more{grid-column:span 2;padding:22px}
  .feats.c3,.feats.c4{grid-template-columns:1fr}
  .frames{grid-template-columns:repeat(2,1fr)}
  .tilewall{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:1fr}
  .bb-foot .wrap{flex-direction:column;align-items:flex-start;gap:8px}
  .form-grid{grid-template-columns:1fr}
  .page-head{padding:64px 0 48px}
  .page-head .ghost{font-size:150px}
  .so-top{padding:56px 0 44px}
  .so-call{text-align:left}
  .so-grid{grid-template-columns:1fr;gap:32px}
  .appeal{padding:72px 0}
  .appeal::before{inset:14px}
  .news-row{grid-template-columns:1fr auto;gap:12px}
  .news-row .dt{grid-column:1/-1}
  .sheet-pad{padding:28px 22px}
  .bb-actions .btn-fill,.bb-actions .btn-line{width:100%}
}

/* ---------- 25. 补充组件 ---------- */
.feats.c2{grid-template-columns:repeat(2,1fr)}
@media (max-width:760px){.feats.c2{grid-template-columns:1fr}}
.frames.landscape img{aspect-ratio:4/3}
.tile figcaption{opacity:1;background:linear-gradient(to top,rgba(43,9,16,.8),rgba(43,9,16,0) 75%)}
.series-sec{scroll-margin-top:calc(var(--head-h) + 64px)}

/* ---------- 26. 移动端修正 ---------- */
.marquee{overflow:hidden}
.page-head{overflow:hidden}
.frames.duo-frames{grid-template-columns:repeat(2,1fr);max-width:680px;margin:0 auto}
.frames.f4{grid-template-columns:repeat(4,1fr)}
@media (max-width:720px){
  .frames{grid-template-columns:1fr !important}
  .frames.duo-frames{grid-template-columns:1fr !important}
  .frames.f4{grid-template-columns:repeat(2,1fr) !important}
}

/* ---------- 27. SEO / GEO answer surfaces ---------- */
.geo-brief{padding:72px 0;background:var(--wine);color:var(--cream)}
.geo-brief-grid{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.35fr);gap:clamp(36px,7vw,96px);align-items:start}
.geo-brief h2{margin-top:12px;font-family:var(--serif);font-size:clamp(34px,4vw,58px);line-height:1.08;text-wrap:balance}
.geo-answer>p{max-width:68ch;font-size:17px;line-height:1.85;color:rgba(253,251,247,.88)}
.entity-facts{margin-top:28px;border-top:1px solid rgba(217,168,92,.35)}
.entity-facts>div{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid rgba(217,168,92,.24)}
.entity-facts dt{color:var(--champ);font-weight:700}
.entity-facts dd{margin:0;color:rgba(253,251,247,.88)}
.entity-facts a{color:inherit;text-decoration-color:rgba(217,168,92,.55);text-underline-offset:4px}
.answer-summary{margin:0 0 34px;padding:22px 26px;border-left:4px solid var(--champ);background:var(--cream)}
.answer-summary strong{display:block;margin-bottom:8px;color:var(--wine);font-size:14px;letter-spacing:.08em}
.answer-summary p{margin:0;max-width:68ch;font-size:17px;line-height:1.8;color:var(--coal-2)}
@media (max-width:760px){
  .geo-brief{padding:54px 0}
  .geo-brief-grid{grid-template-columns:1fr;gap:28px}
  .entity-facts>div{grid-template-columns:1fr;gap:6px}
  .so-bottom{flex-direction:column;align-items:flex-start;padding:22px 0;line-height:1.8}
  .so-links{text-align:left}
}