:root{--bg:#fff;--bg-soft:#f6f7f9;--bg-card:#fff;--border:#e4e6eb;--border-strong:#d0d4da;--text:#16181d;--text-soft:#5b6371;--text-mute:#8b93a1;--accent:#1f6feb;--accent-soft:#eaf1fe;--accent-text:#1a5fd0;--danger:#c8322b;--danger-soft:#fdeceb;--warn:#9a6400;--warn-soft:#fdf4e3;--ok:#1a7f4b;--ok-soft:#e9f7ef;--radius:14px;--radius-sm:9px;--shadow:0 1px 2px #1018280d, 0 8px 24px -12px #1018281f;--max:1080px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--cta-h:64px}@media (prefers-color-scheme:dark){:root{--bg:#0e1116;--bg-soft:#151a21;--bg-card:#161b22;--border:#262c36;--border-strong:#333b47;--text:#e8ebf0;--text-soft:#a7b0bd;--text-mute:#7d8694;--accent:#58a6ff;--accent-soft:#10243e;--accent-text:#79b8ff;--danger:#ff7b72;--danger-soft:#2d1614;--warn:#e3b341;--warn-soft:#2a2113;--ok:#56d364;--ok-soft:#12261a;--shadow:0 1px 2px #0006, 0 8px 24px -12px #0009}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}@media (min-width:761px){html{scroll-padding-top:76px}}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.7;overflow-x:hidden}a{color:var(--accent-text);text-decoration:none}a:hover{text-decoration:underline}img,svg{max-width:100%;height:auto}.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}@media (min-width:768px){.wrap{padding:0 24px}}section{padding:40px 0}@media (min-width:768px){section{padding:56px 0}}.sec-head{margin-bottom:22px}.sec-head h2{letter-spacing:-.02em;margin:0 0 6px;font-size:22px}.sec-head p{color:var(--text-soft);margin:0;font-size:15px}@media (min-width:768px){.sec-head h2{font-size:26px}}.eyebrow{letter-spacing:.06em;color:var(--accent-text);background:var(--accent-soft);border-radius:999px;margin-bottom:12px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-block}.nav{z-index:50;background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0}@supports ((-webkit-backdrop-filter:blur(12px)) or (backdrop-filter:blur(12px))){.nav{background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:saturate(180%)blur(12px);backdrop-filter:saturate(180%)blur(12px)}}.nav-in{align-items:center;gap:12px;min-height:56px;padding:8px 0;display:flex}.brand{color:var(--text);font-size:16px;font-weight:700;line-height:1.25}.brand:hover{text-decoration:none}.brand small{color:var(--text-mute);font-size:11px;font-weight:400;display:block}.nav-links{align-items:center;gap:14px;margin-left:auto;display:flex}.nav-links a{color:var(--text-soft);white-space:nowrap;font-size:14px}.nav-links a:hover{color:var(--text);text-decoration:none}.nav-cta{background:var(--accent);border-radius:999px;align-items:center;min-height:38px;padding:8px 14px;font-size:13px;font-weight:600;display:inline-flex;color:#fff!important}.nav-scroll{border-top:1px solid var(--border);display:none}.nav-scroll-in{-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:16px;padding-top:8px;padding-bottom:8px;display:flex;overflow-x:auto}.nav-scroll-in::-webkit-scrollbar{display:none}.nav-scroll-in a{color:var(--text-soft);white-space:nowrap;flex:none;align-items:center;min-height:30px;font-size:14px;display:inline-flex}@media (max-width:760px){.brand small,.nav-in .nav-links{display:none}.nav-scroll{display:block}}.btn{cursor:pointer;text-align:center;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:11px 20px;font-family:inherit;font-size:15px;font-weight:600;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{opacity:.9;text-decoration:none}.btn-ghost{color:var(--text);border-color:var(--border-strong);background:0 0}.btn-ghost:hover{background:var(--bg-soft);text-decoration:none}.btn-sm{min-height:36px;padding:7px 14px;font-size:14px}.btn-block{width:100%}.hero{padding:40px 0 32px}.hero h1{letter-spacing:-.03em;margin:0 0 14px;font-size:clamp(27px,7vw,44px);line-height:1.2}.hero .lead{color:var(--text-soft);max-width:620px;margin:0 0 24px;font-size:17px}.hero-actions{flex-wrap:wrap;gap:10px;display:flex}.pains{grid-template-columns:1fr;gap:14px;display:grid}@media (min-width:700px){.pains{grid-template-columns:repeat(3,1fr)}}.pain{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.pain h3{margin:0 0 8px;font-size:17px}.pain p{color:var(--text-soft);margin:0 0 12px;font-size:14px}.pain a{font-size:14px;font-weight:600}.grid{grid-template-columns:1fr;gap:14px;display:grid}@media (min-width:560px){.grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:900px){.grid{grid-template-columns:repeat(3,1fr)}}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;padding:18px;display:flex}.card h3{letter-spacing:-.01em;margin:0 0 6px;font-size:17px}.card h3 a{color:var(--text)}.card h3 a:hover{color:var(--accent-text);text-decoration:none}.card p{color:var(--text-soft);flex:1;margin:0 0 14px;font-size:14px}.card-foot{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.price{letter-spacing:-.02em;font-size:23px;font-weight:700}.price small{color:var(--text-mute);font-size:13px;font-weight:400}.price del{color:var(--text-mute);margin-left:6px;font-size:14px;font-weight:400}.tag{background:var(--accent-soft);color:var(--accent-text);white-space:nowrap;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:600}.badges{flex-wrap:wrap;gap:6px;margin-bottom:10px;display:flex}.stock{white-space:nowrap;border-radius:999px;padding:2px 8px;font-size:12px}.stock.in{color:var(--ok);background:var(--ok-soft)}.stock.out{color:var(--danger);background:var(--danger-soft)}.block{margin-bottom:32px}.block>h2{letter-spacing:-.01em;border-bottom:1px solid var(--border);margin:0 0 14px;padding-bottom:8px;font-size:20px}.block>h3{margin:22px 0 10px;font-size:17px}.scroll-x{-webkit-overflow-scrolling:touch;overflow-x:auto}table.spec{border-collapse:collapse;width:100%;font-size:14px}table.spec th,table.spec td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:10px 12px}table.spec th{width:36%;color:var(--text-soft);background:var(--bg-soft);font-weight:500}@media (max-width:520px){table.spec,table.spec tbody,table.spec tr,table.spec th,table.spec td{width:100%;display:block}table.spec tr{border-bottom:1px solid var(--border);padding:6px 0}table.spec th,table.spec td{border:0;padding:4px 0}table.spec th{color:var(--text-mute);background:0 0;font-size:13px}}ul.checklist{margin:0;padding:0;font-size:15px;list-style:none}ul.checklist li{color:var(--text-soft);border-bottom:1px solid var(--border);padding:8px 0 8px 26px;position:relative}ul.checklist li:before{font-weight:700;position:absolute;top:8px;left:0}ul.checklist.check li:before{content:"✓";color:var(--ok)}ul.checklist.cross li:before{content:"✕";color:var(--danger)}ul.checklist.dot li:before{content:"•";color:var(--text-mute)}.note{border-radius:var(--radius-sm);border:1px solid;margin-bottom:12px;padding:14px 16px;font-size:14px}.note b{margin-bottom:4px;font-size:15px;display:block}.note.danger{background:var(--danger-soft);border-color:color-mix(in srgb, var(--danger) 35%, transparent)}.note.danger b{color:var(--danger)}.note.warn{background:var(--warn-soft);border-color:color-mix(in srgb, var(--warn) 35%, transparent)}.note.warn b{color:var(--warn)}.note.info{background:var(--accent-soft);border-color:color-mix(in srgb, var(--accent) 30%, transparent)}.note.info b{color:var(--accent-text)}ol.flow{counter-reset:s;margin:0;padding:0;list-style:none}ol.flow>li{counter-increment:s;border-left:2px solid var(--border);margin-left:13px;padding-bottom:20px;padding-left:40px;position:relative}ol.flow>li:last-child{border-left-color:#0000;padding-bottom:0}ol.flow>li:before{content:counter(s);text-align:center;background:var(--accent);color:#fff;border-radius:50%;width:26px;height:26px;font-size:13px;font-weight:700;line-height:26px;position:absolute;top:-2px;left:-14px}ol.flow>li h4{margin:0 0 6px;font-size:16px}ol.flow>li ul{color:var(--text-soft);margin:0 0 10px;padding-left:20px;font-size:14px}ol.flow>li ul li{margin-bottom:4px}details.faq{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);margin-bottom:10px;padding:0 16px}details.faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;min-height:44px;padding:13px 0;font-size:15px;font-weight:600;list-style:none;display:flex}details.faq summary::-webkit-details-marker{display:none}details.faq summary:after{content:"＋";color:var(--text-mute);flex:none;font-weight:400}details.faq[open] summary:after{content:"－"}details.faq .a{color:var(--text-soft);white-space:pre-line;margin:0 0 14px;font-size:14px}.sku-tabs{-webkit-overflow-scrolling:touch;gap:8px;margin-bottom:16px;padding-bottom:4px;display:flex;overflow-x:auto}.sku-tabs a{border:1px solid var(--border-strong);color:var(--text-soft);white-space:nowrap;border-radius:999px;flex:none;align-items:center;min-height:38px;padding:8px 14px;font-size:14px;display:inline-flex}.sku-tabs a:hover,.sku-tabs a[aria-current=true]{background:var(--accent);border-color:var(--accent);color:#fff;text-decoration:none}.sku-group+.sku-group{margin-top:22px}.sku-group h3{align-items:center;gap:8px;margin:0 0 10px;font-size:16px;display:flex}.sku-list{grid-template-columns:1fr;gap:10px;display:grid}@media (min-width:620px){.sku-list{grid-template-columns:repeat(2,1fr)}}.sku{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);flex-wrap:wrap;align-items:center;gap:12px;padding:12px 14px;display:flex}.sku.sold-out{opacity:.55}.sku .sku-name{font-size:15px;font-weight:600}.sku .sku-note{color:var(--text-mute);font-size:12px;font-weight:400;display:block}.sku .sku-price{white-space:nowrap;margin-left:auto;font-size:19px;font-weight:700}.sku .sku-price del{color:var(--text-mute);margin-left:5px;font-size:13px;font-weight:400}.contact-box{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);box-shadow:var(--shadow);padding:18px}.contact-box>h3{margin:0 0 4px;font-size:17px}.contact-box .hours{color:var(--text-mute);margin:0 0 14px;font-size:13px}.contact-item+.contact-item{border-top:1px solid var(--border);margin-top:18px;padding-top:18px}.contact-item .who{margin-bottom:8px;font-size:14px;font-weight:600}.contact-item .who span{color:var(--text-mute);margin-left:6px;font-size:13px;font-weight:400}.qr{border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;width:176px;max-width:100%;height:auto;display:block}.copy-row{flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px;display:flex}.copy-row code{font-family:var(--mono);background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-sm);-webkit-user-select:all;user-select:all;word-break:break-all;padding:8px 10px;font-size:14px}.tip{color:var(--text-soft);margin:8px 0 0;font-size:13px}.env-wechat,.env-mobile,.env-desktop{display:none}html:not([data-env]) .env-default{display:block}html[data-env] .env-default{display:none}html[data-env=wechat] .env-wechat,html[data-env=mobile] .env-mobile,html[data-env=desktop] .env-desktop{display:block}html[data-env=wechat] .hide-in-wechat{display:none!important}.tms{grid-template-columns:1fr;gap:14px;display:grid}@media (min-width:700px){.tms{grid-template-columns:repeat(3,1fr)}}.tm{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.tm-head{align-items:center;gap:10px;margin-bottom:10px;display:flex}.tm-avatar{object-fit:cover;background:var(--accent-soft);width:36px;height:36px;color:var(--accent-text);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:15px;font-weight:700;display:flex}.tm-name{font-size:14px;font-weight:600}.tm-meta{color:var(--text-mute);font-size:12px}.tm p{color:var(--text-soft);margin:0;font-size:14px}.trust{grid-template-columns:1fr;gap:12px;display:grid}@media (min-width:560px){.trust{grid-template-columns:repeat(2,1fr)}}@media (min-width:900px){.trust{grid-template-columns:repeat(4,1fr)}}.trust div{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px}.trust strong{margin-bottom:3px;font-size:14px;display:block}.trust span{color:var(--text-soft);font-size:13px}.articles{grid-template-columns:1fr;gap:14px;display:grid}@media (min-width:700px){.articles{grid-template-columns:repeat(3,1fr)}}.art{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);flex-direction:column;padding:16px;display:flex}.art h3{margin:0 0 8px;font-size:16px;line-height:1.45}.art h3 a{color:var(--text)}.art p{color:var(--text-soft);flex:1;margin:0 0 10px;font-size:14px}.art .meta{color:var(--text-mute);font-size:12px}.prose{max-width:720px}.prose h2{letter-spacing:-.01em;margin:32px 0 12px;font-size:20px}.prose h3{margin:24px 0 10px;font-size:17px}.prose p{color:var(--text-soft);margin:0 0 14px;font-size:16px}.prose ul,.prose ol{color:var(--text-soft);padding-left:22px}.prose li{margin-bottom:6px}.prose strong{color:var(--text)}.prose figure{margin:18px 0}.prose figcaption{color:var(--text-mute);margin-top:6px;font-size:13px}.crumb{color:var(--text-mute);padding-top:18px;font-size:13px}.crumb a{color:var(--text-mute)}.page-head{padding:20px 0 4px}.page-head h1{letter-spacing:-.02em;margin:6px 0 10px;font-size:clamp(24px,6vw,34px)}.page-head .tagline{color:var(--text-soft);margin:0 0 8px;font-size:16px}.pd{grid-template-columns:1fr;align-items:start;gap:28px;padding:18px 0 40px;display:grid}@media (min-width:940px){.pd{grid-template-columns:minmax(0,1fr) 320px;gap:40px}.pd aside{position:sticky;top:76px}}.mobile-cta{z-index:60;background:var(--bg);border-top:1px solid var(--border);padding:10px 16px;padding-bottom:max(10px, env(safe-area-inset-bottom));align-items:center;gap:10px;display:flex;position:fixed;bottom:0;left:0;right:0}.mobile-cta .btn{flex:1}@media (min-width:940px){.mobile-cta{display:none}}.mobile-cta-spacer{height:var(--cta-h)}@media (min-width:940px){.mobile-cta-spacer{display:none}}footer.site{border-top:1px solid var(--border);background:var(--bg-soft);color:var(--text-mute);padding:32px 0 40px;font-size:13.5px}footer.site .cols{grid-template-columns:1fr;gap:22px;margin-bottom:24px;display:grid}@media (min-width:560px){footer.site .cols{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}}footer.site h5{color:var(--text-soft);letter-spacing:.04em;margin:0 0 8px;font-size:13px}footer.site ul{margin:0;padding:0;list-style:none}footer.site li{margin-bottom:6px}footer.site a{color:var(--text-soft)}footer.site .disclaimer{border-top:1px solid var(--border);padding-top:18px;line-height:1.65}.risk-quiet{border-top:1px solid var(--border);padding-top:22px}.risk-quiet h2{color:var(--text-soft);margin:0 0 4px;font-size:16px}.risk-quiet>p.intro{color:var(--text-mute);margin:0 0 14px;font-size:13px}.risk-quiet dl{margin:0;font-size:13.5px}.risk-quiet dt{color:var(--text-soft);margin-top:12px;font-weight:600}.risk-quiet dd{color:var(--text-mute);margin:3px 0 0;line-height:1.65}.risk-quiet .more{margin-top:16px;font-size:13px}.qr-row{flex-wrap:wrap;gap:16px;display:flex}.qr-card{text-align:center;flex:150px;max-width:200px;margin:0}.qr-card .qr{aspect-ratio:1;object-fit:contain;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;width:100%;height:auto;padding:6px;display:block}.qr-card figcaption{color:var(--text-soft);margin-top:8px;font-size:13px}.buy-note{margin-bottom:16px}.buy-note pre{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:12.5px;font-family:var(--mono);white-space:pre-wrap;word-break:break-word;color:var(--text-mute);margin:10px 0 0;padding:10px 12px;line-height:1.6}.empty{border:1px dashed var(--border-strong);border-radius:var(--radius);color:var(--text-mute);background:var(--bg-soft);padding:22px;font-size:14px}.empty b{color:var(--text-soft)}.qr-card .who-label{color:var(--text-mute)}.qr-card .copy-row{justify-content:center;margin-top:8px}.qr-card .copy-row code{padding:6px 8px;font-size:13px}.qr-card .qr-note{color:var(--text-mute);margin:6px 0 0;font-size:12px}.brand-logo{width:auto;height:28px;display:block}