.product-list{border-top:1px solid #dbe2e9}.product-list a{display:grid;grid-template-columns:46px 1fr 110px;align-items:center;gap:16px;padding:24px 4px;border-bottom:1px solid #dbe2e9}
.product-list .pending-item{display:grid;grid-template-columns:46px 1fr 110px;align-items:center;gap:16px;padding:24px 4px;border-bottom:1px solid #dbe2e9;opacity:.62;cursor:default}
.product-list .pending-item b{color:#94a3b8;font-weight:400}.product-list a:hover{color:#dc2626}.product-list .number{color:#94a3b8;font-size:12px}.product-list strong,.product-list small{display:block}.product-list strong{font-size:18px}.product-list small{margin-top:7px;color:#64748b;font-size:13px;font-weight:400}.product-list b{text-align:right;font-size:13px}.delivery-note{margin-top:34px;padding:20px;border-left:3px solid #dc2626;background:#f8fafc}.delivery-note p{margin:7px 0 0;color:#64748b;font-size:13px;line-height:1.6}.detail-page{width:min(820px,calc(100% - 32px))}.detail-hero{padding-bottom:40px;border-bottom:1px solid #dbe2e9}.detail-hero h1{margin:0 0 18px;font-size:42px}.lead{max-width:720px;margin:0;color:#475569;font-size:17px;line-height:1.8}.meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.meta span{padding:6px 9px;border:1px solid #dbe2e9;color:#64748b;font-size:12px}.content-section{padding:42px 0;border-bottom:1px solid #e5e7eb}.content-section h2{margin:0 0 18px;font-size:24px}.content-section>p{color:#475569;line-height:1.8}.muted-copy{color:#64748b!important;font-size:13px}.compare-grid,.three-grid{display:grid;gap:14px}.compare-grid{grid-template-columns:1fr 1fr}.three-grid{grid-template-columns:repeat(3,1fr)}.compare-grid article,.three-grid article{padding:22px;border:1px solid #dbe2e9}.compare-grid h3,.three-grid h3{margin:0 0 12px}.compare-grid ul,.plain-list{padding-left:20px;color:#475569;line-height:1.9}.three-grid strong{display:block;margin-bottom:10px}.three-grid p{margin:0;color:#64748b;font-size:13px;line-height:1.65}.sample-list{display:grid;gap:10px}.sample-list article{padding:18px;border:1px solid #dbe2e9}.sample-list strong,.sample-list span{display:block}.sample-list span{margin:7px 0;color:#d49b00;letter-spacing:1px}.sample-list p{margin:0;color:#475569;font-size:13px}.purchase-box{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:42px;padding:26px;border:1px solid #dc2626}.purchase-box small,.purchase-box strong{display:block}.purchase-box small{color:#64748b}.purchase-box strong{margin-top:5px;font-size:28px}.purchase-box p{margin:5px 0 0;color:#64748b;font-size:12px}.purchase-box a{padding:11px 16px;background:#dc2626;color:#fff;font-size:13px;font-weight:700}.final-note{border-bottom:0}.course-list{border-top:1px solid #dbe2e9}.course-list article{display:grid;grid-template-columns:42px 1fr 70px;align-items:center;gap:14px;padding:20px 4px;border-bottom:1px solid #dbe2e9}.course-list b{color:#dc2626}.course-list strong,.course-list small{display:block}.course-list small{margin-top:6px;color:#64748b;line-height:1.5}.course-list em{text-align:right;font-style:normal;font-weight:700}@media(max-width:760px){.detail-hero h1{font-size:31px}.product-list a{grid-template-columns:34px 1fr}.product-list b{display:none}.compare-grid,.three-grid{grid-template-columns:1fr}.purchase-box{align-items:flex-start;flex-direction:column}.course-list article{grid-template-columns:34px 1fr}.course-list em{grid-column:2;text-align:left}}
.delivery-note p{overflow-wrap:anywhere}
@media(max-width:760px){.product-list a,.product-list .pending-item{grid-template-columns:34px minmax(0,1fr)}.delivery-note{padding:18px}.course-list article{grid-template-columns:34px minmax(0,1fr)}}

/* Prediction sales page: short copy and visual explanation. */
.sales-page{width:min(960px,calc(100% - 32px));margin:0 auto;flex:1}.sales-hero{min-height:610px;display:grid;grid-template-columns:1fr 440px;align-items:center;gap:70px;padding:70px 0}.eyebrow,.section-tag{color:#dc2626;font-size:12px;font-weight:700;letter-spacing:.08em}.sales-copy h1{margin:18px 0 20px;font-size:64px;line-height:1.08;letter-spacing:-.05em}.sales-copy>p{margin:0;color:#475569;font-size:20px;line-height:1.75}.hero-actions{display:flex;align-items:center;gap:22px;margin-top:30px}.hero-actions span{color:#64748b;font-size:13px}.hero-actions b{color:#17202b;font-size:22px}.primary-button{display:inline-block;padding:13px 22px;background:#dc2626;color:#fff;font-size:14px;font-weight:700}.document-demo{padding:26px;border:1px solid #dbe2e9;border-radius:4px;background:#fff;box-shadow:0 18px 50px rgba(15,23,42,.10);transform:rotate(1deg)}.demo-top{display:flex;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid #e5e7eb}.demo-top span{padding:4px 7px;background:#fee2e2;color:#dc2626;font-size:11px}.demo-label{margin:22px 0 8px;color:#64748b;font-size:12px}.document-demo article{display:grid;grid-template-columns:24px 1fr auto;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid #edf0f4}.document-demo article i{width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:#dc2626;color:#fff;font-size:11px;font-style:normal}.document-demo article b,.document-demo article span{display:block}.document-demo article b{font-size:12px}.document-demo article span{margin-top:3px;color:#475569;font-size:12px}.document-demo article em{color:#d49b00;font-size:11px;font-style:normal;letter-spacing:-1px}.locked-lines{display:grid;gap:9px;padding:18px 0 12px;filter:blur(3px)}.locked-lines span{height:9px;border-radius:8px;background:#dbe2e9}.locked-lines span:nth-child(2){width:82%}.locked-lines span:nth-child(3){width:67%}.document-demo>small{display:block;text-align:center;color:#94a3b8}.three-steps{display:flex;align-items:center;justify-content:center;gap:30px;padding:34px;border-top:1px solid #dbe2e9;border-bottom:1px solid #dbe2e9}.three-steps article{display:flex;align-items:center;gap:12px}.three-steps article b{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#eef3ff;color:#dc2626}.three-steps article span{font-size:14px;font-weight:700;line-height:1.45}.three-steps>i{color:#94a3b8;font-style:normal}.quick-section{padding:100px 0;text-align:center}.quick-section h2,.buy-section h2{margin:14px 0 38px;font-size:38px;line-height:1.3;letter-spacing:-.03em}.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.pain-grid article{padding:34px 18px;border:1px solid #dbe2e9}.pain-grid span,.pain-grid b{display:block}.pain-grid span{margin-bottom:14px;font-size:34px}.one-answer{margin:34px 0 0;color:#64748b;font-size:18px}.one-answer strong{color:#17202b}.preview-section{border-top:1px solid #e5e7eb}.preview-compare{display:grid;grid-template-columns:1fr 50px 1fr;align-items:center;max-width:760px;margin:0 auto}.before-box,.after-box{min-height:270px;padding:28px;border:1px solid #dbe2e9;text-align:left}.before-box>small,.after-box>small{color:#64748b}.before-box>b,.after-box>b{display:block;margin-top:22px;text-align:center;font-size:20px}.messy-topics{height:140px;position:relative;margin-top:14px}.messy-topics span{position:absolute;padding:6px 10px;border:1px solid #cbd5e1;color:#64748b;font-size:12px;transform:rotate(-7deg)}.messy-topics span:nth-child(2){left:35%;top:14px;transform:rotate(8deg)}.messy-topics span:nth-child(3){right:0;top:2px}.messy-topics span:nth-child(4){left:8%;top:62px;transform:rotate(5deg)}.messy-topics span:nth-child(5){right:6%;top:72px;transform:rotate(-5deg)}.messy-topics span:nth-child(6){left:35%;top:105px}.messy-topics span:nth-child(7){right:34%;top:48px;transform:rotate(11deg)}.compare-arrow{color:#dc2626;font-size:24px;font-weight:700}.after-box ol{display:grid;gap:13px;margin:20px 0 0;padding:0;list-style:none}.after-box li{padding:12px;background:#f4f7ff}.after-box li b{color:#dc2626}.privacy-note{margin:24px 0 0;color:#94a3b8;font-size:12px}.buy-section{display:grid;grid-template-columns:1fr 360px;align-items:center;gap:80px;padding:90px 70px;background:#f6f8fc}.buy-section ul{display:grid;gap:12px;margin:0;padding-left:20px;color:#475569}.price-card{padding:30px;background:#fff;border:1px solid #dbe2e9}.price-card small,.price-card strong,.price-card p{display:block}.price-card strong{margin:14px 0 6px;font-size:48px}.price-card sup{font-size:20px}.price-card p{margin:0 0 22px;color:#64748b;font-size:13px}.price-card .primary-button{display:block;text-align:center}.contact-strip{display:flex;justify-content:center;gap:14px;padding:34px 20px;text-align:center}.contact-strip span{color:#64748b}
@media(max-width:820px){.sales-hero{grid-template-columns:1fr;gap:44px;padding:55px 0}.sales-copy{text-align:center}.sales-copy h1{font-size:48px}.hero-actions{justify-content:center}.document-demo{max-width:500px;margin:0 auto;transform:none}.three-steps{gap:12px}.three-steps article span{display:none}.quick-section{padding:72px 0}.buy-section{grid-template-columns:1fr;gap:36px;padding:64px 28px}.buy-section>div:first-child{text-align:center}.buy-section ul{display:inline-grid;text-align:left}}
@media(max-width:540px){.sales-page,.sales-hero>*{min-width:0}.sales-page{overflow:hidden}.sales-copy h1{font-size:40px}.sales-copy>p{font-size:17px}.document-demo{width:100%;padding:18px}.document-demo article{grid-template-columns:22px minmax(0,1fr)}.document-demo article em{grid-column:2}.three-steps{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:5px;width:100%;padding:25px 5px}.three-steps article{min-width:0;flex-direction:column;gap:7px;text-align:center}.three-steps article span{display:block;font-size:11px}.three-steps article b{width:32px;height:32px}.quick-section{overflow:hidden}.quick-section h2,.buy-section h2{max-width:100%;font-size:28px;overflow-wrap:anywhere;word-break:break-all}.pain-grid{grid-template-columns:1fr;gap:10px}.pain-grid article{display:flex;align-items:center;gap:14px;padding:19px}.pain-grid span{margin:0;font-size:26px}.preview-compare{grid-template-columns:minmax(0,1fr);gap:14px;width:100%}.compare-arrow{transform:rotate(90deg)}.before-box,.after-box{width:100%;min-width:0;min-height:240px}.buy-section{margin:0 -16px}.contact-strip{flex-direction:column}.back-link{font-size:12px}}

.proof-section{padding:100px 0;border-top:1px solid #e5e7eb;text-align:center}.proof-section>h2{margin:14px 0 38px;font-size:38px;line-height:1.3}.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;text-align:left}.proof-grid article{padding:26px;border:1px solid #dbe2e9;background:#fff}.proof-grid article>span{color:#dc2626;font-size:12px;font-weight:700}.proof-grid blockquote{min-height:90px;margin:18px 0 12px;font-size:19px;font-weight:700;line-height:1.6}.proof-grid article>p{min-height:44px;margin:0 0 20px;color:#64748b;font-size:13px;line-height:1.65}.proof-grid details{border-top:1px solid #e5e7eb;padding-top:14px}.proof-grid summary{cursor:pointer;color:#dc2626;font-size:13px;font-weight:700}.proof-grid img{width:100%;height:auto;display:block;margin-top:14px}.hero-actions i{font-style:normal}
@media(max-width:760px){.proof-section{padding:72px 0}.proof-section>h2{font-size:30px}.proof-grid{grid-template-columns:1fr}.proof-grid blockquote,.proof-grid article>p{min-height:0}}

.real-doc-cover{height:470px;position:relative;overflow:hidden;border:1px solid #dbe2e9;background:#eef1f5;box-shadow:0 18px 50px rgba(15,23,42,.12);transform:rotate(1deg)}.real-doc-cover>span{position:absolute;z-index:2;top:14px;left:14px;padding:7px 10px;background:#ef4444;color:#fff;font-size:12px;font-weight:700}.real-doc-cover img{width:100%;height:auto;display:block}.creator-note{display:grid;grid-template-columns:96px 1fr;gap:22px;align-items:center;margin:0 0 20px;padding:22px 28px;background:#fff8e8;border:1px solid #f0dfb9}.creator-note b{font-size:17px}.creator-note p{margin:7px 0 0;color:#5e5544;font-size:14px;line-height:1.75}.creator-avatar{width:90px;height:90px;overflow:hidden;border-radius:50%;background:#dbe2e9}.preview-intro,.proof-intro{margin:-20px auto 30px;color:#64748b;line-height:1.7}.document-window{max-width:780px;margin:0 auto;border:1px solid #cbd5e1;background:#e5e7eb;box-shadow:0 18px 45px rgba(15,23,42,.12);text-align:left}.window-bar{height:52px;display:grid;grid-template-columns:90px 1fr 120px;align-items:center;padding:0 18px;background:#fff;border-bottom:1px solid #dbe2e9}.window-bar>span{display:flex;gap:6px}.window-bar i{width:10px;height:10px;border-radius:50%;background:#f87171}.window-bar i:nth-child(2){background:#fbbf24}.window-bar i:nth-child(3){background:#34d399}.window-bar b{text-align:center;font-size:13px}.window-bar em{text-align:right;color:#dc2626;font-size:12px;font-style:normal;font-weight:700}.document-scroll{height:620px;overflow-y:auto;padding:20px;scroll-behavior:smooth}.document-scroll img{width:100%;display:block;margin:0 0 18px;background:#fff;box-shadow:0 2px 10px rgba(15,23,42,.09)}.proof-intro{max-width:520px}.proof-grid blockquote{min-height:122px}.proof-grid article>p{display:none}.result-note{margin:24px 0 0;color:#94a3b8;font-size:12px}
@media(max-width:820px){.real-doc-cover{width:100%;max-width:500px;margin:0 auto;transform:none}.creator-note{margin-top:20px}.document-scroll{height:560px}}
@media(max-width:540px){.real-doc-cover{height:410px}.creator-note{grid-template-columns:76px 1fr;gap:14px;padding:16px}.creator-avatar{width:72px;height:72px}.window-bar{grid-template-columns:50px 1fr 78px;padding:0 10px}.window-bar i{width:7px;height:7px}.window-bar b{font-size:11px}.window-bar em{font-size:10px}.document-scroll{height:500px;padding:10px}.proof-intro,.preview-intro{padding:0 12px}.proof-grid blockquote{min-height:0}}

.creator-avatar img{width:100%;height:100%;display:block;max-width:100%;object-fit:cover;object-position:center;transform:none}

.creator-quote{display:block;max-width:720px;margin:0 auto;padding:48px 44px;background:#fff;border:1px solid #e5e7eb;border-radius:16px;box-shadow:0 4px 24px rgba(15,23,42,.06);text-align:center}.creator-quote .creator-avatar{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;overflow:hidden;border:2px solid #e2e8f0;background:#dbe2e9}.creator-quote blockquote{position:relative;margin:0;color:#1e293b;font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:clamp(21px,3.2vw,28px);font-weight:500;line-height:1.65;letter-spacing:0}.creator-quote .quote-mark{position:absolute;top:-28px;left:50%;transform:translateX(-50%);font-family:Georgia,"Times New Roman",serif;font-size:72px;line-height:1;color:#e2e8f0;z-index:0;pointer-events:none}.creator-quote cite{display:block;margin-top:22px;color:#64748b;font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:14px;font-style:normal;font-weight:400}.creator-quote cite::before{content:"— "}
@media(max-width:700px){.creator-quote{padding:36px 24px}.creator-quote blockquote{font-size:clamp(18px,5vw,24px);line-height:1.6}.creator-quote .creator-avatar{width:54px;height:54px;margin-bottom:14px}.creator-quote .quote-mark{font-size:56px;top:-22px}.creator-quote cite{margin-top:18px;font-size:13px}}

.proof-grid article>img{width:100%;height:auto;display:block;margin-top:18px;border-top:1px solid #e5e7eb;padding-top:14px}.proof-grid article{align-self:start}.proof-grid blockquote{min-height:150px}
@media(max-width:760px){.proof-grid blockquote{min-height:0}}

.personal-site{background:#fff}.personal-site .site-header{background:rgba(255,255,255,.92)}.personal-site .sales-hero,.personal-site .quick-section,.personal-site .proof-section{padding-left:34px;padding-right:34px;background:#fff}.personal-site .creator-note{margin-bottom:12px}.workshop-note{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;margin:0 0 20px;padding:13px 18px;border:1px dashed #d1d5db;background:#fff;transform:rotate(-.25deg)}.workshop-note span{padding:4px 7px;background:#17202b;color:#fff;font-family:KaiTi,"Microsoft YaHei",sans-serif;font-size:13px}.workshop-note p{margin:0;color:#5f574a;font-family:KaiTi,"Microsoft YaHei",sans-serif;font-size:14px}.workshop-note time{color:#8c806d;font-size:11px}.personal-site footer{background:#fff}
@media(max-width:540px){.personal-site .sales-hero,.personal-site .quick-section,.personal-site .proof-section{padding-left:16px;padding-right:16px}.workshop-note{grid-template-columns:auto 1fr}.workshop-note time{grid-column:2}}

/* Dense testimonial wall: large selected stories first, quantity and texture second. */
.feedback-wall-section{padding:88px 18px 96px;border-top:1px solid #e5e7eb;background:#fff;text-align:center}.feedback-wall-section h2{margin:12px 0 8px;font-size:38px}.feedback-wall-intro{margin:0 0 30px;color:#756c5d;font-size:13px}.feedback-wall{columns:6 132px;column-gap:8px;padding:9px;background:#fff;box-shadow:0 16px 42px rgba(15,23,42,.12);text-align:left}.feedback-tile{display:block;width:100%;margin:0 0 8px;padding:0;position:relative;z-index:1;break-inside:avoid;border:1px solid #e5e7eb;background:#fff;cursor:zoom-in;transition:transform .18s ease,box-shadow .18s ease}.feedback-tile img{display:block;width:100%;height:auto}.feedback-tile:hover,.feedback-tile:focus-visible{z-index:8;transform:scale(1.22);box-shadow:0 14px 34px rgba(15,23,42,.34);outline:3px solid #fff}.feedback-lightbox[hidden]{display:none}.feedback-lightbox{display:grid;place-items:center;position:fixed;z-index:1000;inset:0;padding:52px 20px 24px;background:rgba(17,20,24,.88)}.feedback-lightbox img{display:block;max-width:min(92vw,760px);max-height:88vh;object-fit:contain;background:#fff;box-shadow:0 24px 70px rgba(0,0,0,.45)}.feedback-lightbox button{width:42px;height:42px;position:absolute;top:12px;right:18px;border:1px solid rgba(255,255,255,.5);border-radius:50%;background:rgba(0,0,0,.35);color:#fff;font-size:28px;line-height:1;cursor:pointer}.lightbox-open{overflow:hidden}
@media(max-width:760px){.feedback-wall-section{padding:68px 8px 76px}.feedback-wall-section h2{font-size:30px}.feedback-wall{columns:3 94px;column-gap:5px;padding:5px}.feedback-tile{margin-bottom:5px}.feedback-tile:hover{transform:none}.feedback-lightbox{padding:54px 10px 18px}.feedback-lightbox img{max-width:96vw;max-height:86vh}}

/* The studio window becomes the borderless first-screen setting, not a separate photo card. */
.personal-site .sales-hero-photo{width:100vw;min-height:700px;position:relative;display:block;margin-left:calc(50% - 50vw);padding:0;background:linear-gradient(0deg,rgba(18,23,27,.60),rgba(18,23,27,.60)),url("assets/studio/window-evening.jpg") center center/cover no-repeat}.sales-hero-inner{width:min(1160px,calc(100% - 48px));min-height:700px;position:relative;z-index:1;display:grid;grid-template-columns:minmax(480px,1fr) 430px;align-items:center;gap:80px;margin:0 auto;padding:70px 0}.sales-hero-photo .sales-copy{min-width:0;color:#fff}.sales-hero-photo .sales-copy h1{color:#fff;white-space:nowrap;text-shadow:0 2px 18px rgba(0,0,0,.18)}.sales-hero-photo .sales-copy>p{color:rgba(255,255,255,.88)}.sales-hero-photo .eyebrow{color:#c9d8ff}.sales-hero-photo .hero-actions span,.sales-hero-photo .hero-actions b{color:rgba(255,255,255,.92)}.sales-hero-photo .real-doc-cover{background:rgba(255,255,255,.93);box-shadow:0 22px 65px rgba(15,23,42,.22)}.studio-caption{position:absolute;z-index:2;right:18px;bottom:14px;padding:5px 8px;background:rgba(16,20,22,.32);color:rgba(255,255,255,.72);font-family:KaiTi,"Microsoft YaHei",sans-serif;font-size:11px;letter-spacing:.03em;backdrop-filter:blur(4px)}
@media(max-width:1100px) and (min-width:821px){.sales-hero-inner{grid-template-columns:minmax(400px,1fr) 400px;gap:40px}.sales-hero-photo .sales-copy h1{font-size:55px}}
@media(max-width:820px){.sales-hero-photo{min-height:0;background:linear-gradient(180deg,rgba(255,255,255,.84) 0%,rgba(255,255,255,.60) 44%,rgba(255,255,255,.18) 100%),url("assets/studio/window-evening.jpg") 55% center/cover no-repeat}.sales-hero-inner{min-height:0;grid-template-columns:1fr;gap:44px;padding:55px 0}.sales-hero-photo .sales-copy{padding:24px 12px;background:rgba(255,255,255,.66);backdrop-filter:blur(3px)}}
@media(max-width:820px){.personal-site .sales-hero-photo{min-height:0;background:linear-gradient(0deg,rgba(18,23,27,.60),rgba(18,23,27,.60)),url("assets/studio/window-evening.jpg") 55% center/cover no-repeat}.sales-hero-photo .sales-copy{background:rgba(17,22,25,.44)}.sales-hero-photo .sales-copy h1{white-space:normal}.studio-caption{right:8px;bottom:7px;font-size:9px}}
@media(max-width:540px){.sales-hero-inner{width:calc(100% - 20px);padding:28px 0 42px}.sales-hero-photo .sales-copy{padding:22px 12px}.sales-hero-photo .real-doc-cover{max-width:calc(100% - 12px)}}

/* Hero right-hand card for products that do not yet have a real preview screenshot
   (串题 / 录播课). Swap .hero-doc-card back to .real-doc-cover + <img> once real
   preview images exist — no other markup change needed. */
.sales-hero-photo .hero-doc-card{height:470px;display:flex;flex-direction:column;justify-content:center;gap:14px;padding:38px 34px;border:1px solid #dbe2e9;background:rgba(255,255,255,.93);box-shadow:0 22px 65px rgba(15,23,42,.22)}
.sales-hero-photo .hero-doc-card strong{font-size:22px;line-height:1.4;color:#12171b}
.sales-hero-photo .hero-doc-card p{margin:0;color:#475569;font-size:15px;line-height:1.8}
.sales-hero-photo .hero-doc-card ul{margin:4px 0 0;padding:0;list-style:none;display:grid;gap:9px}
.sales-hero-photo .hero-doc-card li{position:relative;padding-left:15px;font-size:14px;color:#374151;line-height:1.6}
.sales-hero-photo .hero-doc-card li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:#dc2626}
.sales-hero-photo .hero-doc-card .hero-doc-note{margin-top:6px;font-size:12px;color:#6b7280;line-height:1.7}
.sales-hero-photo .hero-doc-card .primary-button{margin-top:6px;text-align:center}
@media(max-width:820px){.sales-hero-photo .hero-doc-card{height:auto;max-width:calc(100% - 12px);margin:0 auto;padding:26px 22px}}

/* 顶栏布局统一由 styles.css 控制：logo 永远最左，返回链接在 logo 右侧，导航居中，右侧「加微信」。 */

/* ===== 串题页：Tab 切换 + 真实内容展示 ===== */
.lk-hero{text-align:center;padding:70px 0 44px}
.lk-hero h1{margin:16px 0 18px;font-size:46px;line-height:1.15;letter-spacing:-.03em}
.lk-hero>p{margin:0 auto;max-width:660px;color:#475569;font-size:19px;line-height:1.8}
.lk-hero .hero-actions{justify-content:center}
.lk-tabs{padding:10px 0 0}
.lk-tabbar{display:flex;gap:10px;justify-content:center;margin:0 0 30px;flex-wrap:wrap}
.lk-tab{min-width:136px;padding:12px 18px;background:#fff;border:1px solid #e5e7eb;border-radius:10px;cursor:pointer;font-family:inherit;text-align:center;line-height:1.4}
.lk-tab b{display:block;font-size:16px;color:#17202b}
.lk-tab small{display:block;font-size:12px;color:#64748b;margin-top:3px}
.lk-tab:hover{border-color:#dc2626}
.lk-tab[aria-selected="true"]{background:#dc2626;border-color:#dc2626}
.lk-tab[aria-selected="true"] b,.lk-tab[aria-selected="true"] small{color:#fff}
.lk-panel[hidden]{display:none}
.lk-lead{font-size:17px;line-height:1.85;color:#374151;margin:0 0 20px}
.lk-lead strong{color:#17202b}
.lk-metrics{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));margin:0 0 30px}
.lk-metric{padding:16px 18px;background:#f6f8fc;border-radius:10px}
.lk-metric b{display:block;font-size:24px;color:#dc2626;line-height:1.2}
.lk-metric span{display:block;font-size:13px;color:#64748b;margin-top:5px}
.lk-demo{margin:0 0 28px;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden}
.lk-demo-head{padding:14px 20px;background:#f6f8fc;border-bottom:1px solid #e5e7eb;font-size:14px;color:#475569;line-height:1.6}
.lk-demo-head strong{color:#17202b}
.lk-demo-body{padding:4px 20px 16px}
.lk-qa{padding:15px 0;border-bottom:1px dashed #e5e7eb}
.lk-qa:last-child{border-bottom:0}
.lk-q{font-size:14px;color:#17202b;font-weight:700;margin:0 0 7px;line-height:1.6}
.lk-a{font-size:14px;color:#475569;line-height:1.9;margin:0}
.lk-line{display:flex;gap:9px;align-items:flex-start;font-size:14px;line-height:1.8;margin:0 0 5px;color:#475569}
.lk-line i{flex:none;font-style:normal;font-size:11px;padding:2px 7px;border-radius:4px;margin-top:4px}
.lk-fixed{background:#dbeafe;color:#1d4ed8;padding:1px 5px;border-radius:4px}
.lk-legend{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));margin:0 0 26px}
.lk-legend div{padding:13px 15px;border-radius:8px;font-size:13px;line-height:1.7}
.lk-legend b{display:block;font-size:14px;margin-bottom:3px}
.lk-c1{background:#dbeafe;color:#1d4ed8}
.lk-c2{background:#fffbeb;color:#854f0b}
.lk-c3{background:#fef3c7;color:#92400e}
.lk-c4{background:#f3f4f6;color:#4b5563}
.lk-flow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 28px}
.lk-flow span{padding:10px 16px;background:#f6f8fc;border-radius:8px;font-size:14px;color:#17202b}
.lk-flow em{font-style:normal;color:#1d4ed8;font-weight:700}
.lk-table-wrap{overflow-x:auto;margin:0 0 28px;border:1px solid #e5e7eb;border-radius:12px}
.lk-table{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
.lk-table th,.lk-table td{padding:11px 15px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:top}
.lk-table tr:last-child td{border-bottom:0}
.lk-table th{background:#f6f8fc;color:#17202b;font-weight:700;white-space:nowrap}
.lk-table td{color:#475569;line-height:1.7}
.lk-table td:first-child{color:#1d4ed8;font-weight:700;white-space:nowrap}
.lk-pair{display:grid;gap:24px;grid-template-columns:1fr 1fr;margin:0 0 28px}
.lk-pair h4{margin:0 0 11px;font-size:15px;color:#17202b}
.lk-pair ul{margin:0;padding:0;list-style:none;display:grid;gap:7px}
.lk-pair li{padding:9px 13px;background:#f6f8fc;border-radius:6px;font-size:14px;color:#374151;line-height:1.6}
.lk-pair li em{display:block;font-style:normal;color:#64748b;font-size:13px;margin-top:2px}
.lk-sub{margin:34px 0 14px;font-size:19px;color:#17202b}
.lk-note{font-size:13px;color:#6b7280;line-height:1.8;margin:0 0 26px}
.lk-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:20px 22px;background:#f6f8fc;border-radius:12px}
.lk-cta p{margin:0;font-size:14px;color:#475569;line-height:1.7;flex:1;min-width:210px}
.lk-pricecards{display:grid;gap:14px}
.lk-pricecards .price-card.featured{border:2px solid #dc2626}
.lk-pricecards .save{display:inline-block;margin-top:8px;font-size:12px;color:#dc2626;background:#fee2e2;border-radius:4px;padding:2px 8px}
@media(max-width:700px){
  .lk-hero{padding:48px 0 32px}
  .lk-hero h1{font-size:34px}
  .lk-hero>p{font-size:17px}
  .lk-pair{grid-template-columns:1fr;gap:18px}
  .lk-tabbar{gap:7px}
  .lk-tab{min-width:0;flex:1;padding:10px 8px}
  .lk-demo-body,.lk-demo-head{padding-left:16px;padding-right:16px}
}

/* ===== 串题页：促单板块（痛点 / 洞察 / 行业对比 / 适合你吗 / 金句） ===== */
.lk-pains{display:grid;gap:13px;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));margin:0 0 28px}
.lk-pain{padding:17px 19px;background:#fff;border:1px solid #e5e7eb;border-radius:10px}
.lk-pain b{display:block;font-size:15px;color:#17202b;margin-bottom:6px}
.lk-pain span{display:block;font-size:13px;color:#64748b;line-height:1.7}
.lk-insight{margin:0 0 28px;padding:18px 22px;background:#f6f8fc;border-left:3px solid #1d4ed8;border-radius:0 10px 10px 0;font-size:15px;line-height:1.85;color:#374151}
.lk-insight b{color:#1d4ed8}
.lk-vs{display:grid;gap:16px;grid-template-columns:1fr 1fr;margin:0 0 28px}
.lk-vs>div{padding:18px 20px;border-radius:10px}
.lk-vs-bad{background:#fef2f2}
.lk-vs-good{background:#f0fdf4}
.lk-vs h4{margin:0 0 12px;font-size:14px}
.lk-vs-bad h4{color:#b91c1c}
.lk-vs-good h4{color:#15803d}
.lk-vs ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.lk-vs li{font-size:13px;line-height:1.75;color:#475569;padding-left:19px;position:relative}
.lk-vs li b{color:#17202b}
.lk-vs-bad li::before{content:"✕";position:absolute;left:0;top:0;color:#dc2626;font-size:12px}
.lk-vs-good li::before{content:"✓";position:absolute;left:0;top:0;color:#16a34a;font-size:12px}
.lk-fit{margin:0 0 28px;padding:18px 22px;background:#fff;border:1px solid #e5e7eb;border-radius:10px}
.lk-fit h4{margin:0 0 12px;font-size:15px;color:#17202b}
.lk-fit ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.lk-fit li{font-size:14px;line-height:1.75;color:#475569;padding-left:22px;position:relative}
.lk-fit li::before{content:"✓";position:absolute;left:0;top:0;color:#dc2626;font-weight:700}
.lk-golden{display:grid;gap:12px;margin:0 0 20px}
.lk-golden-item{padding:15px 18px;background:#dbeafe;border-radius:10px}
.lk-golden-item small{display:block;font-size:12px;color:#1d4ed8;margin-bottom:6px;font-weight:700}
.lk-golden-item p{margin:0;font-size:14px;line-height:1.8;color:#17202b}
.lk-golden-item em{display:block;font-style:normal;font-size:13px;color:#64748b;line-height:1.7;margin-top:5px}
.lk-structure{display:grid;gap:12px;grid-template-columns:1fr 1fr;margin:0 0 28px}
.lk-structure>div{padding:16px 18px;background:#f6f8fc;border-radius:10px}
.lk-structure b{display:block;font-size:15px;color:#17202b;margin-bottom:5px}
.lk-structure span{display:block;font-size:13px;color:#64748b;line-height:1.7}
@media(max-width:700px){
  .lk-vs,.lk-structure{grid-template-columns:1fr}
  .lk-insight{padding:15px 17px}
}