:root{
    --paper:#F4F1F8;
    --deep:#E4DEEC;
    --surface:#FBF8FF;
    --soft:#EEE8F4;
    --ink:#161418;
    --text:#2A242C;
    --muted:#5A5460;
    --quiet:#7A7480;
    --blue:#4A8AB8;
    --pink:#C46A8A;
    --green:#6A9A48;
    --gold:#C4A04A;
    --violet:#6A4A9A;
    --line:rgba(22,20,24,.12);
    --shadow:0 12px 28px rgba(22,20,24,.08);
    --glow:0 6px 16px rgba(106,74,154,.18);
    --radius:12px;
    --shell:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.panel-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{display:block;max-width:100%}
.shell{width:min(calc(100% - 32px),var(--shell));margin-inline:auto}
.top-stack{position:fixed;top:0;left:0;right:0;z-index:90;box-shadow:0 1px 0 rgba(22,20,24,.06)}
.color-brow{height:18px;background:var(--ink);color:var(--gold);font-size:12px;line-height:18px}
.brow-inner{height:18px;display:flex;align-items:center;justify-content:space-between}
.text-trigger{border:0;background:transparent;color:var(--gold);padding:0 4px;min-width:44px;height:18px;cursor:pointer}
.brand-head{height:54px;background:var(--surface);border-bottom:1px solid rgba(106,74,154,.32)}
.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand-home{display:inline-flex;align-items:center;min-height:44px;min-width:58px}
.brand-logo,.footer-logo,.bag-logo{height:24px;width:auto;max-width:120px;object-fit:contain;object-position:center}
.brand-word{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.03em}
.head-actions{display:flex;align-items:center;gap:8px;white-space:nowrap}
.head-app,.bag-button{height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 14px;font-size:14px;transition:filter 180ms,box-shadow 180ms,transform 180ms;cursor:pointer}
.head-app{background:linear-gradient(135deg,var(--blue) 0%,var(--pink) 48%,var(--violet) 100%);color:var(--surface);box-shadow:var(--glow)}
.bag-button{background:var(--surface);border:1px solid var(--violet);color:var(--ink)}
.pin-nav{height:44px;background:var(--surface);border-bottom:1px solid var(--line)}
.pin-inner{height:44px;display:flex;align-items:center;gap:10px}
.pin-link{height:36px;display:inline-flex;align-items:center;gap:7px;padding:0 11px;border-radius:10px;font-size:13px;color:var(--text);transition:filter 180ms,box-shadow 180ms,background 180ms}
.pin-dot{width:18px;height:18px;border:2px solid var(--blue);border-radius:50%;background:var(--surface);flex:0 0 auto}
.pin-link.is-current{background:var(--soft);box-shadow:var(--glow)}
.pin-link.is-current .pin-dot{background:var(--violet);border-color:var(--gold);box-shadow:var(--glow)}
.head-app:hover,.primary-button:hover,.pin-link.is-current:hover,.mobile-bottom .is-current:hover{filter:brightness(1.05);box-shadow:0 0 0 3px rgba(196,106,138,.28),0 10px 24px rgba(74,138,184,.28)}
.head-app:active,.primary-button:active,.pin-link.is-current:active,.mobile-bottom .is-current:active{filter:brightness(1.08);box-shadow:0 0 0 4px rgba(196,160,74,.40),0 0 22px rgba(106,74,154,.45)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--violet);outline-offset:2px}
.site-main{padding-top:116px;min-height:65vh}
.page-section{padding:34px 0;border-bottom:1px solid var(--line)}
.page-section:last-child{border-bottom:0}
.breadcrumb{font-size:13px;color:var(--muted);margin:0 0 18px}
.breadcrumb a{color:var(--violet)}
h1,h2,h3{color:var(--ink);margin-top:0;letter-spacing:.01em}
h1{font-size:24px;line-height:1.3;margin-bottom:12px}
h2{font-size:20px;line-height:1.4;margin-bottom:12px}
h3{font-size:16px;line-height:1.45;margin-bottom:8px}
p{margin:0 0 14px}
.lead{font-size:16px;color:var(--muted);max-width:760px}
.kicker{font-size:12px;color:var(--violet);font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
.primary-button,.secondary-button{height:42px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 16px;font-size:14px;transition:filter 180ms,box-shadow 180ms,transform 180ms;white-space:nowrap}
.primary-button{background:linear-gradient(135deg,var(--blue) 0%,var(--pink) 48%,var(--violet) 100%);color:var(--surface);box-shadow:var(--glow)}
.secondary-button{background:var(--surface);border:1px solid var(--violet);color:var(--ink)}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.media-slot{width:100%;height:168px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);display:flex;align-items:center;justify-content:center;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-slot.is-160{height:160px}
.media-slot.is-176{height:176px}
.media-slot.is-200{height:200px}
.media-slot.is-round{width:240px;height:176px;border-radius:88px;margin-inline:auto}
.media-slot.is-app{width:240px;height:320px;margin-inline:auto}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.soft-card{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.notice{border-left:4px solid var(--gold);background:var(--surface);padding:14px 16px;border-radius:0 var(--radius) var(--radius) 0}
.tag{display:inline-flex;align-items:center;min-height:28px;padding:2px 9px;border-radius:999px;background:var(--soft);color:var(--violet);font-size:12px;font-weight:700}
.tag.blue{background:rgba(74,138,184,.12);color:#315f80}.tag.pink{background:rgba(196,106,138,.12);color:#85465e}.tag.green{background:rgba(106,154,72,.13);color:#47692f}.tag.gold{background:rgba(196,160,74,.16);color:#725d25}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}

/* 首页：避免等宽卡片开篇，采用纵向分段与不对称内容组合 */
.intro-pinboard{padding:40px 0 30px;background:linear-gradient(180deg,var(--surface),var(--paper))}
.pin-index{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.pin-index a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 13px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.pin-index i{width:18px;height:18px;border-radius:50%;border:2px solid var(--blue);display:inline-block}
.pin-index a:first-child i{background:var(--violet);border-color:var(--gold);box-shadow:var(--glow)}
.home-sentence{font-size:20px;color:var(--violet);font-weight:800;margin-bottom:10px}
.pin-cut{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:30px;align-items:center}
.double-color{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
.double-color article:first-child{border-top:5px solid var(--blue)}
.double-color article:last-child{border-top:5px solid var(--pink)}
.pin-pages{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}
.pin-page{position:relative;padding-top:30px}
.pin-page::before{content:"";position:absolute;top:8px;left:22px;width:18px;height:18px;border-radius:50%;background:var(--violet);border:2px solid var(--gold);box-shadow:var(--glow)}
.pin-page:nth-child(2)::before{background:var(--blue);border-color:var(--pink)}
.single-explain{display:grid;grid-template-columns:1fr;gap:16px;max-width:760px}
.period-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.period-strip span{flex:1 1 180px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-weight:700;color:var(--ink)}
.status-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.status-row span{min-height:36px;display:inline-flex;align-items:center;padding:0 12px;border-radius:9px;background:var(--soft);border:1px solid var(--line)}
.topic-lines{display:grid;gap:10px}.topic-lines a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line)}
.app-wrap{max-width:820px}.app-copy{position:relative;z-index:1}.app-visuals{display:flex;align-items:end;justify-content:center;gap:18px;margin-top:18px}.app-icon-slot{width:72px;height:72px;border-radius:18px;background:var(--surface);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}.app-icon-slot img{width:48px;height:48px;object-fit:contain}
.home-late{display:grid;grid-template-columns:1fr;gap:22px}.mini-faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.mini-faq details{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px}.mini-faq summary{cursor:pointer;font-weight:800;color:var(--ink)}

/* 日笺：双列彩 */
.layout-double{display:grid;grid-template-columns:1.25fr .75fr;gap:16px;align-items:start}
.layout-double .story{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.layout-double .story:nth-child(odd){border-top:5px solid var(--blue)}
.layout-double .story:nth-child(even){border-top:5px solid var(--pink)}
.layout-double .story.wide{grid-column:1/-1;border-top-color:var(--gold)}

/* 镜页：钉切 */
.layout-pin-cut{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;align-items:start}
.cut-rail{position:sticky;top:136px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.cut-rail a{display:flex;align-items:center;gap:8px;min-height:42px;border-bottom:1px dashed var(--line);font-weight:700}
.cut-rail a:last-child{border-bottom:0}.cut-rail b{width:14px;height:14px;border-radius:50%;background:var(--violet);border:2px solid var(--gold);box-shadow:var(--glow)}
.cut-sheet{display:grid;gap:16px}.cut-sheet section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:relative}.cut-sheet section::after{content:"";position:absolute;left:-9px;top:26px;width:16px;height:16px;border-radius:50%;background:var(--pink);border:2px solid var(--surface)}

/* 簿记：钉页 */
.layout-pin-pages{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.memo-page{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 20px;position:relative}.memo-page::before{content:"";position:absolute;top:-9px;left:24px;width:18px;height:18px;border-radius:50%;background:var(--blue);border:2px solid var(--gold)}.memo-page:nth-child(2n)::before{background:var(--pink)}

/* 场次：横向说明带 */
.scene-flow{display:grid;gap:14px}.scene-row{display:grid;grid-template-columns:130px minmax(0,1fr);gap:18px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.scene-row h2{margin:2px 0;color:var(--violet)}

/* 旬页：三段阶梯 */
.period-stack{display:grid;gap:18px}.period-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;max-width:850px}.period-card:nth-child(2){margin-left:54px;border-left:5px solid var(--pink)}.period-card:nth-child(3){margin-left:108px;border-left:5px solid var(--green)}.period-card:first-child{border-left:5px solid var(--blue)}

/* 历页：状态条 */
.status-board{display:grid;gap:14px}.status-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:grid;grid-template-columns:120px minmax(0,1fr);gap:18px}.status-label{align-self:start;min-height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--soft);color:var(--violet);font-weight:800}

/* 备忘：清单 */
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:12px}.checklist li{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px 16px 48px}.checklist li::before{content:"✓";position:absolute;left:16px;top:16px;width:22px;height:22px;border-radius:50%;background:var(--green);color:var(--surface);display:flex;align-items:center;justify-content:center;font-weight:900}

/* 看法：方法卡，不做三卡开篇 */
.method-flow{counter-reset:method;display:grid;gap:14px}.method-block{counter-increment:method;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}.method-block h2::before{content:counter(method) ". ";color:var(--pink)}

/* 专题：目录线 */
.topic-directory{border-top:1px solid var(--line)}.topic-entry{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:180px minmax(0,1fr);gap:20px}.topic-entry h2{margin:0;color:var(--violet)}

/* 架页：居中说明卡 */
.shelf-center{max-width:760px;margin:0 auto;text-align:center}.centered-lead{margin-inline:auto}.centered-buttons{justify-content:center}.shelf-center .media-slot{max-width:640px;margin:18px auto}.shelf-list{text-align:left;display:grid;gap:10px;margin-top:20px}.shelf-list article{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px}

/* APP：文绕钉 */
.wrap-pin{max-width:820px;margin:0 auto}.wrap-copy{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.wrap-visual{display:flex;justify-content:center;align-items:flex-end;gap:18px;margin-top:18px}.feature-lines{display:grid;gap:12px;margin-top:18px}.feature-lines div{padding:14px 0;border-bottom:1px dashed var(--line)}

/* 条款与帮助 */
.clause-list{display:grid;gap:14px}.clause{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}.clause h2{color:var(--violet)}
.help-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:18px}.help-index{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.help-index a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-weight:700}.help-index a:last-child{border-bottom:0}.help-body{display:grid;gap:14px}
.faq-list{display:grid;gap:12px}.faq-list details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}.faq-list summary{cursor:pointer;font-size:16px;font-weight:800;color:var(--ink)}.faq-list p{margin:12px 0 0}
.contact-lanes{display:grid;gap:16px}.contact-lane{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px}.contact-lane h2{margin:0;color:var(--violet)}
.about-banner{height:200px;width:100%;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:22px}.about-banner img{width:100%;height:100%;object-fit:contain;object-position:center}.about-brand-media{max-width:520px;margin:18px auto}

.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--gold);padding:30px 0 76px;font-size:13px}
.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:24px}.footer-brand-row{display:flex;align-items:center;gap:8px;margin-bottom:12px}.footer-logo{filter:none}.footer-brand strong{font-size:16px}.footer-brand span{color:var(--gold)}.footer-brand p{color:#d8d2dc;max-width:420px}.copyright{color:var(--quiet)!important}.footer-group h2{font-size:13px;color:var(--gold);margin-bottom:8px}.footer-group a{display:block;min-height:34px;color:var(--paper);padding:5px 0}
.overlay{position:fixed;inset:0;background:rgba(22,20,24,.48);z-index:110;opacity:0;visibility:hidden;pointer-events:none;transition:opacity 180ms,visibility 180ms}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.bag-panel{position:fixed;left:0;right:0;bottom:0;z-index:120;background:var(--surface);border-top:1px solid var(--gold);box-shadow:0 -14px 36px rgba(22,20,24,.16);max-height:220px;transform:translateY(104%);visibility:hidden;pointer-events:none;transition:transform 180ms,visibility 180ms;overflow:auto}.bag-panel.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.bag-top{height:48px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--surface);z-index:2}.bag-title{display:flex;align-items:center;gap:8px}.panel-close{min-height:40px;border:1px solid var(--violet);background:var(--surface);border-radius:9px;padding:0 12px;cursor:pointer}.bag-groups{display:grid;grid-template-columns:1fr 1fr .75fr 1.25fr;gap:18px;padding-bottom:16px}.bag-groups h2{font-size:13px;color:var(--violet);margin:0 0 4px}.bag-groups a{display:block;padding:6px 0;font-size:13px;font-weight:800}.bag-groups small{display:block;color:var(--muted);font-size:11px;font-weight:500;line-height:1.35;margin-left:24px}
.search-panel{position:fixed;left:0;right:0;top:72px;z-index:125;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:opacity 180ms,transform 180ms,visibility 180ms}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}.search-card{background:var(--surface);border:1px solid var(--line);border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow);padding:16px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.search-label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.search-input{width:100%;height:44px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);padding:0 12px}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:0 12px;border:1px solid var(--violet);border-radius:9px;background:var(--surface)}.search-empty{margin:12px 0 0;color:var(--muted)}
.mobile-bottom{display:none}

@media (max-width:760px){
    .shell{width:calc(100% - 32px)}
    .pin-nav{display:none}
    .site-main{padding-top:72px;padding-bottom:58px}
    .brand-inner{gap:8px}.head-actions{gap:6px}.head-app,.bag-button{padding:0 11px}
    .page-section{padding:26px 0}
    .pin-cut,.double-color,.pin-pages,.layout-double,.layout-pin-cut,.layout-pin-pages,.scene-row,.status-item,.help-grid,.contact-lane,.topic-entry{grid-template-columns:1fr}
    .cut-rail{position:static}.cut-sheet section::after{display:none}
    .period-card:nth-child(2),.period-card:nth-child(3){margin-left:0}
    .mini-faq{grid-template-columns:1fr}
    .app-visuals,.wrap-visual{flex-direction:column;align-items:center}
    .media-slot.is-round{width:min(240px,100%)}
    .media-slot.is-app{width:min(240px,100%)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:18px}.footer-brand{grid-column:1/-1}
    .bag-panel{max-height:64%}.bag-groups{grid-template-columns:1fr 1fr;gap:14px}.bag-groups small{display:none}
    .search-panel{top:0;bottom:0;background:var(--ink);padding:20px 0;overflow:auto}.search-card{min-height:100%;background:var(--ink);color:var(--gold);border:0;border-radius:0;box-shadow:none}.search-head strong,.search-label,.search-empty{color:var(--gold)}.search-input{background:#29242b;color:var(--paper);border-color:rgba(196,160,74,.45)}.search-presets a,.search-panel .panel-close{background:#29242b;color:var(--paper);border-color:var(--gold)}
    .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:100;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-current{background:var(--violet);color:var(--surface);box-shadow:var(--glow)}
    .site-footer{padding-bottom:calc(74px + env(safe-area-inset-bottom))}
}
@media (max-width:430px){
    .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.bag-groups{grid-template-columns:1fr 1fr}.head-app{font-size:13px}.bag-button{font-size:13px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}