:root{
  --ivory:#f7f5f2;--paper:#f3f0eb;--mist:#e8e4dd;--stone:#d4cfc6;--ash:#a39e94;
  --clay:#7a746a;--umber:#524c44;--espresso:#2c2823;--ink:#141210;--highlight:#fbfaf8;
  --firm:#0c0d10;--firm-text:#f4f4f5;--firm-muted:#a1a1aa;
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--ivory);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1000;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
.wrap{width:min(100% - 48px,1040px);margin-inline:auto}

.skip-link{
  position:absolute;left:16px;top:12px;z-index:100;
  padding:10px 14px;background:var(--ink);color:var(--highlight);
  border-radius:999px;font-size:13px;transform:translateY(-160%);
}
.skip-link:focus{transform:translateY(0);outline:none}
.btn:focus-visible,
.nav-links a:focus-visible,
.logo:focus-visible,
.site-footer a:focus-visible{
  outline:2px solid rgba(20,18,16,.35);outline-offset:2px;
}

#hd{
  position:fixed;inset:0 0 auto;z-index:50;
  background:color-mix(in srgb,var(--ivory) 72%,transparent);
  backdrop-filter:blur(20px) saturate(1.15);
  -webkit-backdrop-filter:blur(20px) saturate(1.15);
  border-bottom:1px solid transparent;transition:border-color .35s var(--ease);
}
#hd.on{border-bottom-color:color-mix(in srgb,var(--stone) 70%,transparent)}
.nav{width:min(100% - 48px,1080px);margin:0 auto;height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{font-family:var(--serif);font-weight:600;font-size:19px;letter-spacing:.08em}
.nav-links{display:flex;gap:2px}
.nav-links a{font-size:13px;font-weight:500;color:var(--clay);padding:8px 14px;border-radius:999px;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--ink);background:color-mix(in srgb,var(--mist) 80%,transparent)}
.nav-links a.is-current{color:var(--ink);background:color-mix(in srgb,var(--mist) 70%,transparent)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font:500 13px/1 var(--sans);letter-spacing:.03em;padding:13px 24px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;transition:background .25s var(--ease),border-color .25s,color .25s,box-shadow .25s;
}
.btn-ink{
  background:linear-gradient(180deg,#2a2621 0%, var(--ink) 100%);color:var(--highlight);
  box-shadow:0 1px 0 color-mix(in srgb,#fff 12%,transparent) inset,0 10px 28px rgba(20,18,16,.18);
}
.btn-ink:hover{background:linear-gradient(180deg,#3a342e 0%, var(--espresso) 100%)}
.btn-line{border-color:var(--stone);color:var(--espresso);background:color-mix(in srgb,var(--highlight) 55%,transparent)}
.btn-line:hover{border-color:var(--ash);background:var(--highlight)}
.btn-firm{
  background:var(--firm-text);color:var(--firm);
  border:1px solid transparent;
}
.btn-firm:hover{background:#fff;color:var(--firm)}

/* 首屏：纯文案承诺；产品证明在下方舞台带 */
.hero{
  min-height:min(100svh,720px);
  display:flex;flex-direction:column;justify-content:center;
  padding:110px 0 72px;
  position:relative;
  background:
    radial-gradient(900px 520px at 85% 0%, color-mix(in srgb,var(--mist) 70%,transparent), transparent 65%),
    radial-gradient(700px 480px at 10% 90%, color-mix(in srgb,var(--stone) 35%,transparent), transparent 60%),
    linear-gradient(165deg, var(--highlight) 0%, var(--ivory) 42%, var(--paper) 100%);
}
.hero-copy{
  position:relative;z-index:1;
  width:min(100% - 48px,720px);
  margin:0 auto;
  text-align:center;
}
.hero h1{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(34px,5vw,54px);line-height:1.14;letter-spacing:.01em;
  margin:0 auto 18px;max-width:12em;
}
.lead{
  font-size:clamp(15px,1.4vw,17px);color:var(--umber);
  max-width:34em;line-height:1.85;margin:0 auto clamp(56px,8vh,76px);
}
.actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.hero .lead{margin-bottom:30px}
.hero-note{margin-top:20px;font-size:13px;color:var(--umber);opacity:.82;letter-spacing:.02em}

/* 产品舞台：紧随首屏的总览证明（设备 mockup，整图可读） */
.product-stage{
  padding:0 0 clamp(48px,8vh,80px);
  background:linear-gradient(180deg, var(--paper) 0%, var(--ivory) 100%);
}
.product-stage-frame{
  width:min(100% - 32px,1040px);
  margin:0 auto;
  border-radius:16px;
  overflow:hidden;
  border:1px solid color-mix(in srgb,var(--stone) 55%, transparent);
  background:#1a1816;
  box-shadow:0 24px 56px rgba(20,18,16,.14);
}
.product-stage-frame img{
  display:block;width:100%;height:auto;
  aspect-ratio:1024 / 706;
  object-fit:cover;object-position:center center;
}

section.block{padding:clamp(72px,12vh,120px) 0}
section.block.is-tight{padding-top:0}
.kicker{font-size:11px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--clay);margin-bottom:18px}
.block h2{font-family:var(--serif);font-weight:600;font-size:clamp(28px,3.6vw,40px);line-height:1.22;margin-bottom:16px;max-width:14em}
.block-lead{font-size:16px;color:var(--umber);max-width:38em;line-height:1.85;margin-bottom:40px}

/* 文书能力：左侧纯文字的阶段索引 + 右侧文书图 */
.doc-stage{
  display:grid;
  grid-template-columns:minmax(0,178px) minmax(0,1fr);
  gap:clamp(32px,5vw,76px);
  align-items:start;
  margin-top:12px;
}
.doc-aside{min-width:0}
.doc-rail{display:flex;flex-direction:column;gap:1px}
.doc-tab{
  position:relative;
  appearance:none;-webkit-appearance:none;
  background:none;border:0;border-radius:0;box-shadow:none;
  padding:10px 0 10px 19px;
  text-align:left;cursor:pointer;
  font-family:var(--serif);font-size:18px;font-weight:500;
  letter-spacing:.04em;line-height:1.55;color:var(--ash);
  transition:color .3s var(--ease),padding-left .45s var(--ease);
}
.doc-tab::before{
  content:"";position:absolute;left:0;top:50%;
  width:1px;height:1.05em;background:currentColor;
  opacity:0;transform:translateY(-50%) scaleY(.25);
  transform-origin:center;
  transition:transform .45s var(--ease),opacity .35s var(--ease);
}
.doc-tab:hover{color:var(--umber);padding-left:23px}
.doc-tab:hover::before{opacity:.3;transform:translateY(-50%) scaleY(1)}
.doc-tab.is-active{color:var(--ink);padding-left:23px}
.doc-tab.is-active::before{opacity:.85;transform:translateY(-50%) scaleY(1)}
.doc-tab:focus-visible{outline:none;color:var(--ink)}
.doc-tab:focus-visible::before{opacity:.5;transform:translateY(-50%) scaleY(1)}

.doc-view{min-width:0}
.doc-shot{display:none;margin:0}
.doc-shot.is-active{display:block;animation:docIn .55s var(--ease) both}
@keyframes docIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.doc-shot img{display:block;width:100%;height:auto;border:0;background:transparent}
.doc-shot figcaption{
  margin-top:15px;
  font-size:12.5px;line-height:1.95;letter-spacing:.02em;color:var(--clay);
  min-height:calc(1.95em * 2);
}

/* 套餐页 / 要素式页：收费说明，主产品全宽、附加项为窄条 */
.page-head{padding:120px 0 32px}
.page-head h1{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(32px,4.4vw,48px);line-height:1.18;
  margin-bottom:16px;max-width:14em;
}
.page-head p{
  font-size:16px;color:var(--umber);max-width:32em;line-height:1.75;
}
/* 要素式转换页：沿用首页首屏，只保留标题、一句说明与主按钮 */
.ys-hero{min-height:min(82svh,640px);padding:132px 0 72px}
.ys-hero h1{max-width:15em}
.ys-hero .lead{margin-bottom:0}
.ys-hero .actions{margin-top:34px}
/* 要素式页：首屏以下统一节节奏与标题层级 */
section.ys-sec{padding:clamp(56px,9vh,88px) 0}
.ys-sec .ys-title{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(22px,2.6vw,28px);line-height:1.3;margin-bottom:12px;
}
.ys-sec .ys-lede{
  font-size:15px;color:var(--umber);line-height:1.85;max-width:40em;margin-bottom:28px;
}
.ys-faq{margin-top:clamp(10px,1.6vh,16px);border-top:1px solid var(--stone);max-width:54em}
.ys-faq .faq-item{
  display:grid;grid-template-columns:minmax(150px,.38fr) minmax(0,1fr);
  gap:6px clamp(16px,3vw,36px);align-items:baseline;padding:16px 0;
}
.ys-faq .faq-q{
  font-family:var(--sans);font-size:14px;font-weight:500;
  color:var(--ink);margin-bottom:0;line-height:1.65;
}
.ys-faq .faq-a{font-size:14px;line-height:1.75;max-width:none}
.ys-steps .step-card{padding:24px 22px}
.ys-steps .step-card h3{
  font-family:var(--serif);font-size:18px;font-weight:600;line-height:1.35;margin-bottom:8px;
}
.ys-steps .step-card p{margin-top:0}
.ys-cases{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin-top:4px}
.ys-cases-label{font-size:13px;color:var(--clay);letter-spacing:.04em}
.ys-cases .feat-chips{padding:0;gap:6px}
.ys-cases .feat-chips span{font-size:12px;padding:5px 10px;border-radius:8px}
.ys-sec-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;margin-bottom:clamp(18px,2.4vh,26px)}
.ys-sec-head .ys-title{margin-bottom:0}
.ys-sec-head .btn{padding:11px 22px;flex-shrink:0}
section[id]{scroll-margin-top:88px}
#how,#plans,#faq{scroll-margin-top:96px}

.sku{padding:0 0 clamp(40px,7vh,64px)}
.sku-main{padding:36px 0 8px;border-top:1px solid var(--stone)}
.sku-head{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:20px 40px;
  align-items:end;
  margin-bottom:18px;
}
.sku-main h2{
  font-family:var(--serif);font-size:clamp(26px,3vw,34px);font-weight:600;
}
.sku-status{text-align:right}
.sku-price{
  font-family:var(--serif);font-size:clamp(26px,3vw,34px);font-weight:600;line-height:1.15;
}
.sku-status p{font-size:13px;color:var(--clay);margin-top:8px;line-height:1.6}

.feat-chips{
  display:flex;flex-wrap:wrap;gap:8px;
  padding:8px 0 28px;
}
.feat-chips span{
  font-size:13px;color:var(--espresso);
  padding:8px 12px;border:1px solid var(--mist);border-radius:10px;
  background:var(--highlight);
}
.sku-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:8px}

.addon{padding:28px 0;border-top:1px solid var(--mist)}
.addon-top{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;
  margin-bottom:16px;
}
.addon h3{font-family:var(--serif);font-size:20px;font-weight:600}
.addon-top p{font-size:14px;color:var(--clay)}
.price-cards{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;margin-bottom:16px;
}
.price-card{
  border:1px solid var(--stone);border-radius:12px;
  background:var(--highlight);padding:16px 14px;
}
.price-card.is-focus{border-color:var(--espresso);background:var(--paper)}
.price-card .pc-name{display:block;font-size:13px;color:var(--clay);margin-bottom:8px}
.price-card .pc-price{
  font-family:var(--serif);font-size:22px;font-weight:600;line-height:1.1;
}
.price-card .pc-price small{
  font-family:var(--sans);font-size:12px;font-weight:500;color:var(--clay);margin-left:2px;
}
.addon-cta{display:flex;flex-wrap:wrap;gap:10px}

.pack-section{padding:clamp(64px,10vh,96px) 0;border-top:1px solid var(--mist)}
.pack-title{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(28px,3.6vw,40px);line-height:1.22;margin-bottom:8px;
}
.pack-lead{font-size:15px;color:var(--clay);margin-bottom:28px}
.pack-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.pack-sheet{
  display:grid;grid-template-columns:minmax(160px,.38fr) minmax(0,1fr);
  gap:8px 28px;align-items:start;
  border:1px solid var(--stone);border-radius:16px;
  background:var(--highlight);
  padding:28px clamp(18px,2.4vw,28px);
  box-shadow:0 1px 0 color-mix(in srgb,#fff 70%,transparent) inset;
}
.pack-sheet-featured{
  border-color:color-mix(in srgb,var(--espresso) 28%,var(--stone));
  background:color-mix(in srgb,var(--highlight) 88%,#fff);
}
.pack-ident{padding:8px 0 4px}
.pack-ident h3{
  font-family:var(--serif);font-size:24px;font-weight:600;margin-bottom:6px;
}
.pack-ident-price{
  font-family:var(--serif);font-size:28px;font-weight:600;
  color:var(--ink);margin:0 0 6px;line-height:1.2;
}
.pack-ident-price em{font-style:normal;font-size:.72em;margin-right:2px}
.pack-ident-price span{font-family:var(--sans);font-size:14px;font-weight:500;color:var(--clay)}
.pack-ident-note{font-size:13px;color:var(--clay);line-height:1.6;margin:0 0 4px}
.pack-ident .btn{margin-top:18px}
.pack-feats{
  list-style:none;margin:0;padding:0 0 0 8px;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 32px;
  border-left:1px solid var(--mist);
  padding-left:40px;
}
.pack-feats li{
  font-size:15px;color:var(--umber);line-height:1.45;
  padding:12px 0 12px 18px;border-bottom:1px solid var(--mist);
  position:relative;
}
.pack-feats li::before{
  content:"";position:absolute;left:0;top:18px;
  width:6px;height:6px;border-radius:50%;
  background:var(--espresso);opacity:.35;
}
.pack-foot{
  margin-top:16px;font-size:13px;color:var(--clay);line-height:1.7;max-width:42em;
}
.pack-foot a{text-decoration:underline;text-underline-offset:3px}
.pack-foot a:hover{color:var(--ink)}

.plans-page{padding:0 0 clamp(48px,8vh,80px)}
.rate{
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--stone);border-radius:16px;overflow:hidden;
  background:var(--highlight);margin:8px 0 20px;
}
.rate-col{padding:28px 24px;border-left:1px solid var(--mist)}
.rate-col:first-child{border-left:0}
.rate-col.is-focus{background:var(--paper)}
.rate-name{font-size:14px;color:var(--clay);margin-bottom:12px}
.rate-price{font-family:var(--serif);font-size:32px;font-weight:600;line-height:1}
.rate-price span{font-family:var(--sans);font-size:13px;font-weight:500;color:var(--clay);margin-left:2px}
.rate-meta{margin-top:10px;font-size:14px;color:var(--umber)}

.firm.is-compact{
  margin-top:8px;
  padding:clamp(36px,6vh,56px) clamp(24px,5vw,48px);
}
.firm.is-compact h2{margin-bottom:24px}
.firm.is-compact .firm-points{display:none}

.step-cards{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;margin:8px 0 32px;
}
.step-card{
  border:1px solid var(--stone);border-radius:12px;
  background:var(--highlight);padding:18px 16px;
}
.step-card .step-n{display:block;font-size:12px;color:var(--clay);margin-bottom:8px}
.use-notes{max-width:40em;margin:0 0 36px}
.use-notes h2,.subhead{
  font-family:var(--serif);font-size:20px;font-weight:600;margin-bottom:14px;
}
.use-notes ul{list-style:none;border-top:1px solid var(--stone)}
.use-notes li{
  font-size:15px;color:var(--umber);line-height:1.7;
  padding:12px 0;border-bottom:1px solid var(--mist);
}
.step-card p{font-size:13px;color:var(--clay);margin-top:6px;line-height:1.5}

.page-cta{padding:0 0 clamp(40px,7vh,64px)}
.page-cta .actions{justify-content:flex-start}

.tools{padding:0 0 clamp(48px,7vh,72px)}
.tool-row{
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:24px 0;border-bottom:1px solid var(--mist);
}
.tool-row:first-of-type{border-top:1px solid var(--stone)}
.tool-row h3{font-family:var(--serif);font-size:18px;font-weight:600;margin-bottom:4px}
.tool-row p{font-size:14px;color:var(--umber);max-width:36em}

/* 律所：保留原首页墨色圆角卡片 */
.firm{
  margin:0 clamp(16px,3vw,28px) clamp(48px,7vh,80px);
  background:var(--firm);color:var(--firm-text);
  padding:clamp(56px,8vh,96px) clamp(24px,5vw,64px);
  border-radius:20px;position:relative;overflow:hidden;
  border:1px solid rgba(255,255,255,.06);
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 24px 48px rgba(0,0,0,.18);
}
.firm::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 65% 50% at 92% -10%, rgba(255,255,255,.08), transparent 52%),
    radial-gradient(ellipse 45% 35% at 0% 110%, rgba(255,255,255,.025), transparent 48%),
    linear-gradient(165deg,#14151a 0%, var(--firm) 38%, #07080a 100%);
}
.firm::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.28;mix-blend-mode:soft-light;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}
.firm-inner{position:relative;z-index:1;max-width:1040px;margin:0 auto}
.firm .kicker{color:var(--firm-muted)}
.firm h2{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(28px,3.6vw,40px);line-height:1.22;
  color:var(--firm-text);margin-bottom:14px;max-width:12em;
}
.firm .lede{
  font-size:16px;color:var(--firm-muted);max-width:36em;line-height:1.85;margin-bottom:36px;
}
.firm-points{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-bottom:40px;
}
.firm-point{padding:0 28px;border-left:1px solid rgba(255,255,255,.1)}
.firm-point:first-child{padding-left:0;border-left:none}
.firm-point:last-child{padding-right:0}
.firm-point h3{font-size:16px;font-weight:600;color:var(--firm-text);margin-bottom:8px}
.firm-point p{font-size:14px;color:var(--firm-muted);line-height:1.7}

/* 隐私：标题 + 一句主张，再用原则行展开（与能力列表同结构语法） */
.trust{padding:clamp(88px,14vh,140px) 0 0}
.trust h2{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(28px,3.6vw,40px);line-height:1.22;margin-bottom:18px;max-width:12em;
}
.trust-lead{font-size:16px;color:var(--umber);max-width:34em;line-height:1.85;margin-bottom:48px}
.principle{border-top:1px solid var(--stone);max-width:48em}
.principle-row{
  display:grid;grid-template-columns:minmax(120px,.34fr) minmax(0,1fr);
  gap:clamp(16px,4vw,40px);align-items:baseline;
  padding:26px 0;border-bottom:1px solid var(--mist);
}
.principle-row h3{font-family:var(--serif);font-size:clamp(17px,1.9vw,20px);font-weight:600}
.principle-row p{font-size:15px;color:var(--umber);line-height:1.8;max-width:36em}

/* 常见问题：独立一节，问答纵向节奏，不与隐私混排 */
.faq-section{padding:clamp(72px,11vh,110px) 0}
.faq-section h2{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(28px,3.6vw,40px);line-height:1.22;margin-bottom:18px;
}
.faq-lead{font-size:16px;color:var(--umber);max-width:32em;line-height:1.85;margin-bottom:40px}
.faq-list{border-top:1px solid var(--stone);max-width:42em}
.faq-item{padding:26px 0;border-bottom:1px solid var(--mist)}
.faq-q{
  font-family:var(--serif);font-size:clamp(17px,1.8vw,20px);
  font-weight:600;color:var(--ink);margin-bottom:10px;line-height:1.4;
}
.faq-a{font-size:15px;color:var(--umber);line-height:1.85;max-width:38em}

/* 更新日志：月份分组，日期/正文两列，不加卡片 */
.cl-list{margin-top:8px;max-width:46em}
.cl-month{
  font-family:var(--serif);font-size:15px;font-weight:600;letter-spacing:.1em;
  color:var(--clay);padding:clamp(30px,4.5vh,44px) 0 8px;
  border-top:1px solid var(--stone);
}
.cl-month:first-child{border-top:0;padding-top:0}
.cl-item{
  display:grid;grid-template-columns:58px minmax(0,1fr);
  gap:clamp(12px,2.4vw,26px);align-items:baseline;
  padding:15px 0;border-top:1px solid var(--mist);
}
.cl-date{
  font-size:12.5px;color:var(--ash);letter-spacing:.06em;
  font-variant-numeric:tabular-nums;padding-top:2px;
}
.cl-body h3{
  font-family:var(--serif);font-size:16.5px;font-weight:600;
  line-height:1.5;color:var(--ink);
}
.cl-tag{
  display:inline-block;margin-left:9px;vertical-align:1px;
  font-family:var(--sans);font-size:10.5px;font-weight:500;letter-spacing:.05em;
  color:var(--clay);border:1px solid var(--stone);border-radius:999px;padding:0 8px;
}
.cl-body ul{list-style:none;margin-top:6px;display:flex;flex-direction:column;gap:3px}
.cl-body li{
  font-size:13.5px;color:var(--umber);line-height:1.8;
  padding-left:12px;position:relative;
}
.cl-body li::before{
  content:"";position:absolute;left:0;top:.82em;width:4px;height:1px;background:var(--ash);
}
.cl-empty{padding:40px 0;font-size:14px;color:var(--umber)}
@media(max-width:720px){
  .cl-item{grid-template-columns:1fr;gap:3px;padding:14px 0}
  .cl-date{padding-top:0}
  .cl-body h3{font-size:16px}
}

/* CTA：只做收口动作，不塞联系信息 */
.cta{padding:clamp(72px,12vh,120px) 0;text-align:center;background:linear-gradient(180deg,var(--ivory),var(--paper))}
.cta h2{font-family:var(--serif);font-size:clamp(28px,3.6vw,40px);font-weight:600;margin-bottom:14px}
.cta p{color:var(--umber);margin-bottom:28px;font-size:16px}
.cta .actions{justify-content:center}

/* 联系我们：左文案 / 右二维码，和前面列表区不同的双栏构图 */
.contact{
  padding:clamp(72px,12vh,120px) 0;
  border-top:1px solid var(--mist);
  background:var(--highlight);
}
.contact h2{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(28px,3.6vw,40px);line-height:1.22;margin-bottom:18px;
}
.contact-lead{font-size:16px;color:var(--umber);max-width:34em;line-height:1.85;margin-bottom:40px}
.contact-grid{
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:clamp(32px,5vw,64px);align-items:start;
}
.contact-copy h3{
  font-family:var(--serif);font-size:18px;font-weight:600;margin-bottom:10px;color:var(--ink);
}
.contact-copy p{
  font-size:15px;color:var(--umber);line-height:1.85;max-width:34em;margin-bottom:22px;
}
.contact-copy p:last-child{margin-bottom:0}
.contact-copy strong{font-weight:600;color:var(--espresso)}
.contact-aside{
  padding:28px 24px;border:1px solid var(--stone);border-radius:18px;
  background:color-mix(in srgb,var(--ivory) 70%, var(--highlight));
  text-align:center;
  box-shadow:0 1px 0 color-mix(in srgb,#fff 70%,transparent) inset;
}
.contact-aside .aside-label{
  font-size:12px;font-weight:500;letter-spacing:.06em;color:var(--clay);margin-bottom:16px;
}
.qr-code{
  width:160px;height:160px;border:1px solid var(--stone);border-radius:12px;
  background:var(--highlight);display:block;margin:0 auto;
}
.contact-text{margin-top:14px;font-size:13px;color:var(--ash);line-height:1.6}
.xhs-inline{
  display:inline-flex;align-items:center;justify-content:center;
  width:18px;height:18px;margin:0 2px;vertical-align:middle;
  background:linear-gradient(135deg,#ff2442 0%,#ff6b81 100%);
  color:#fff;border-radius:3px;
}

.site-footer{
  border-top:1px solid var(--mist);
  padding:36px 0 52px;text-align:center;
}
.footer-links{
  display:flex;justify-content:center;flex-wrap:wrap;gap:10px 24px;margin-bottom:18px;
}
.footer-links a{font-size:13px;color:var(--clay)}
.footer-links a:hover{color:var(--ink)}
.footer-hidden{opacity:.35;cursor:default}
.footer-info{font-size:12px;color:var(--ash);line-height:1.9}
.footer-info a{color:var(--ash)}
.footer-info a:hover{color:var(--clay);text-decoration:underline}

@media(max-width:960px){
  .hero{min-height:0;padding:100px 0 56px}
  .product-stage-frame{width:min(100% - 24px,1120px);border-radius:12px}
  .sku-head{grid-template-columns:1fr}
  .sku-status{text-align:left}
  .price-cards,.step-cards{grid-template-columns:1fr 1fr}
}
@media(max-width:960px){
  .pack-grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  .nav-links{display:none}
  .tool-row,.principle-row,.rate,.pack-sheet{grid-template-columns:1fr;display:grid}
  .pack-feats{border-left:0;padding-left:0;border-top:1px solid var(--mist);padding-top:8px;margin-top:4px}
  .rate-col,.rate-col:first-child{border-left:0;border-top:1px solid var(--mist)}
  .rate-col:first-child{border-top:0}
  .price-cards,.step-cards,.pack-feats{grid-template-columns:1fr}
  .ys-faq .faq-item{grid-template-columns:1fr;gap:4px;padding:14px 0}
  .ys-sec-head .ys-title{width:100%}
  .ys-sec-head .btn{width:100%;justify-content:center}
  .firm-points{grid-template-columns:1fr;gap:20px}
  .firm-point,.firm-point:first-child,.firm-point:last-child{
    padding:0;border-left:none;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;
  }
  .firm-point:first-child{border-top:none;padding-top:0}
  .contact-grid{grid-template-columns:1fr}
  .contact-aside{max-width:280px;margin:0 auto}
  .doc-stage{grid-template-columns:1fr;gap:26px}
  .doc-rail{flex-direction:row;flex-wrap:wrap;gap:0 26px}
  .doc-tab{font-size:16px;padding:5px 0}
  .doc-tab::before{
    left:0;right:0;top:auto;bottom:1px;width:auto;height:1px;
    transform:scaleX(0);transform-origin:left;
  }
  .doc-tab:hover{padding-left:0}
  .doc-tab.is-active{padding-left:0}
  .doc-tab:hover::before{transform:scaleX(1)}
  .doc-tab.is-active::before{transform:scaleX(1)}
  .doc-shot figcaption{font-size:12px;margin-top:13px;min-height:calc(1.95em * 3)}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  #hd{transition:none}
  .doc-shot.is-active{animation:none}
}