:root{--bg:#f6f6f7;--panel:#ffffff;--panel-soft:#eef3e7;--line:#d7dfcb;--text:#1f2a1d;--muted:#60705d;--accent:#88619a;--danger:#7d3f3f;--shadow:0 18px 42px rgba(37,57,37,0.08);--radius:22px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}button,input,select,textarea{font:inherit}.shell{width:min(960px,calc(100vw - 32px));margin:0 auto;padding:24px 0 56px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero{min-height:60vh;display:flex;flex-direction:column;justify-content:center;text-align:center;padding:56px 24px;gap:18px}.eyebrow,.hero{align-items:center}.eyebrow{display:inline-flex;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--panel-soft);color:var(--accent);font-size:13px}h1,h2,h3,p{margin:0}h1{font-size:clamp(32px,5vw,54px);line-height:1.08;letter-spacing:-.04em}.sub,h1{max-width:700px}.sub{color:var(--muted);font-size:15px;line-height:1.8}.hero-actions,.quiz-actions,.result-actions{display:flex;gap:12px;flex-wrap:wrap}button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:14px 18px;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,opacity .16s ease,background .16s ease}button:hover{transform:translateY(-1px)}button:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:#4298b4;color:#fff;box-shadow:0 12px 28px rgba(66,152,180,.18)}.btn-secondary{background:#fff;color:var(--accent)}.btn-ghost,.btn-secondary{border:1px solid var(--line)}.btn-ghost{background:#f6f6f7;color:#6c7177}.quiz-wrap,.result-wrap{padding:24px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}.progress{flex:1 1;min-width:220px;height:12px;background:#f6f6f7;border-radius:999px;overflow:hidden}.progress span{display:block;width:0;height:100%;background:#4298b4;border-radius:inherit;transition:width .24s ease}.progress-text{color:var(--muted);font-size:14px;white-space:nowrap}.question-card{padding:24px;border:0;border-radius:18px;background:linear-gradient(180deg,#ffffff,#fafcf7)}.meta-row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px;color:var(--muted);font-size:13px}.badge,.meta-row{align-items:center}.badge{display:inline-flex;padding:7px 11px;border-radius:999px;border:1px solid var(--line);background:#4298b4;color:#fff}.question-text{font-size:clamp(20px,3vw,28px);line-height:1.55;margin-bottom:22px;white-space:pre-wrap;overflow-wrap:anywhere}.option-list{display:grid;grid-gap:12px;gap:12px}.option-btn{display:grid;grid-template-columns:46px 1fr auto;align-items:center;grid-gap:14px;gap:14px;width:100%;text-align:left;padding:16px;border-radius:16px;border:1px solid var(--line);background:#fff;color:var(--text);box-shadow:none;justify-content:stretch}.option-btn.selected,.option-btn:hover{background:#ecf4f7;border-color:#bccbb4}.option-code{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:#4298b4;color:#fff;font-weight:700}.hint{margin-top:18px;color:var(--muted);font-size:14px;line-height:1.75}.quiz-actions{justify-content:space-between;margin-top:22px}.quiz-actions-dock{width:100%}.quiz-nav-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px;width:100%}.quiz-nav-row button{width:100%}.result-capture{display:grid;grid-gap:18px;gap:18px}.result-capture.exporting{padding-bottom:24px}.result-capture.exporting .result-copy-card{margin-top:-20px}.capture-banner{padding:14px 16px;border-radius:16px;border:1px solid #f2c55a;background:linear-gradient(135deg,#fff8d8,#fff1a8);color:#6b4d00;font-size:15px;font-weight:700;text-align:center}.capture-banner span{color:#d24f00}.result-hero{padding:22px;border-radius:18px;background:linear-gradient(135deg,#f2f6ef,#fbfcf8);border:1px solid var(--line)}.result-poster-card{display:flex;justify-content:center;padding:0;background:transparent;border:0}.result-poster-inner{width:min(100%,320px);padding:14px;border-radius:18px;background:#fff;border:1px solid #ebefe5;box-shadow:inset 0 0 0 1px rgba(255,255,255,.9);text-align:center}.poster-type-copy{padding:8px 10px 18px}.poster-type-lead{color:#6c706d;font-size:30px;line-height:1.25;letter-spacing:.02em}.poster-type-cn{margin-top:12px;color:#454b45;font-size:clamp(50px,9vw,72px);line-height:1.08;font-weight:800;letter-spacing:-.04em}.poster-type-code{margin-top:10px;color:#4fa13e;font-size:clamp(34px,6vw,54px);line-height:1.06;font-weight:800;letter-spacing:-.03em}.result-poster-image{display:block;width:100%;height:auto;margin:0 auto;border-radius:14px}.result-poster-meta{margin-top:16px}.result-poster-tools{display:flex;justify-content:center}.result-poster-report-row{display:inline-flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.result-poster-title{text-align:center}.result-poster-pill-row{display:flex;align-items:center;justify-content:center;margin-top:0}.result-report-link{display:inline-flex;align-items:center;position:relative;top:8px;padding:0;border:0;background:transparent;color:#4298b4;font-size:14px;line-height:1.6;box-shadow:none}.result-report-link:hover{background:transparent;color:#2f7f99}.result-report-link:disabled{background:transparent}.result-answer-only{min-height:auto;display:flex;flex-direction:column;align-items:flex-start;text-align:left}.result-answer-only,.result-pill-row{justify-content:flex-start}.result-title-main{font-size:clamp(26px,4vw,42px)}.result-copy-card{padding:22px;border-radius:18px;border:0;background:#fff;text-align:center}.result-note-card{padding:16px 18px;border-radius:18px;background:#f8fafb}.result-note-text{color:#6c7177;font-size:13px;line-height:1.8;text-align:center}.result-copy-title{font-size:18px;margin-bottom:12px}.result-desc{color:var(--muted);font-size:15px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere}.result-kicker{color:var(--accent);font-size:13px;margin-bottom:10px}.result-title{font-size:clamp(28px,4vw,42px);line-height:1.12;letter-spacing:-.03em;overflow-wrap:anywhere}.result-sub{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.8}.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.pill{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;color:#343c4b;overflow-wrap:anywhere}.panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.panel{padding:18px;border-radius:18px;border:1px solid var(--line);background:#fff}.panel h3{font-size:16px;margin-bottom:12px}.panel-spacing{margin-top:16px}.dim-list,.rank-list{display:grid;grid-gap:10px;gap:10px}.dim-item,.rank-item{padding:13px 14px;border-radius:14px;background:var(--panel-soft);border:1px solid var(--line)}.dim-item strong,.rank-item strong{display:block;margin-bottom:4px}.dim-item span,.rank-item span{color:var(--muted);font-size:13px;line-height:1.65;overflow-wrap:anywhere}.danger-note{color:var(--danger)}.result-actions-spacing{margin-top:18px}.result-toolbar{display:flex;justify-content:center;gap:14px;margin-top:18px}.icon-action{width:56px;height:56px;padding:0;border-radius:16px;border:1px solid var(--line);box-shadow:none}.icon-action svg{width:22px;height:22px}.icon-action-ghost{background:#6c7177;color:#fff}.icon-action-primary{background:#4298b4;color:#fff;box-shadow:0 12px 28px rgba(66,152,180,.18)}.overlay-backdrop{position:fixed;inset:0;z-index:40;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(24,34,24,.28);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.helper-modal,.share-sheet{width:min(100%,360px);padding:18px}.helper-modal,.report-modal,.share-sheet{border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:0 22px 60px rgba(31,42,29,.18)}.report-modal{width:min(100%,760px);max-height:min(80vh,760px);overflow:auto;padding:20px}.share-sheet-head{align-items:center;margin-bottom:16px}.report-head,.share-sheet-head{display:flex;justify-content:space-between;gap:12px}.report-head{align-items:flex-start;margin-bottom:18px}.report-subtitle{margin-top:6px;color:var(--muted);font-size:14px;line-height:1.7}.report-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px}.report-item{padding:14px 16px;border-radius:16px;background:#f8fafb;border:1px solid #dfe7eb}.report-item-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.report-item-top strong{color:#343c4b;font-size:15px;line-height:1.5}.report-level{min-width:32px;padding:4px 8px;border-radius:999px;background:#4298b4;color:#fff;font-size:12px;font-weight:700;text-align:center}.report-model,.report-score{color:#6c7177;font-size:13px;line-height:1.7}.report-model{margin-top:8px}.report-score{margin-top:4px}.sheet-close{width:36px;height:36px;padding:0;border-radius:999px;border:1px solid var(--line);background:var(--panel-soft);color:var(--accent)}.sheet-close svg{width:16px;height:16px}.share-platforms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.share-platform{display:flex;flex-direction:column;align-items:center;gap:10px;padding:12px 8px;border-radius:18px;border:1px solid var(--line);background:#fff;color:var(--text)}.share-platform span:last-child{font-size:13px;color:var(--muted)}.platform-mark{width:54px;height:54px;border-radius:999px;display:grid;place-items:center;color:#fff;font-size:20px;font-weight:800}.platform-mark-xhs{background:linear-gradient(135deg,#f84a4a,#ff7c5a)}.platform-mark-wechat{background:linear-gradient(135deg,#2fbb57,#68d67d)}.platform-mark-qq{background:linear-gradient(135deg,#3d7ef3,#5ab8ff)}.helper-copy{color:var(--muted);font-size:14px;line-height:1.8}.helper-qr{display:block;width:min(100%,200px);height:auto;margin:18px auto 12px;border-radius:18px;border:1px solid var(--line);background:#fff;padding:8px}.helper-url{padding:12px;border-radius:14px;background:var(--panel-soft);border:1px solid var(--line);color:var(--muted);font-size:13px;line-height:1.7;overflow-wrap:anywhere}.helper-button{width:100%;margin-top:14px}@media (max-width:760px){.shell-quiz{min-height:100dvh;display:grid;grid-template-rows:auto 1fr;align-items:start}.shell{width:min(100vw - 16px,960px);padding:8px 0 24px}.quiz-wrap,.result-wrap{padding:14px}.quiz-wrap{margin-top:20px}.question-card{padding:16px;border-radius:16px}.hero{min-height:calc(100vh - 32px);padding:36px 18px;gap:14px}h1{font-size:clamp(26px,9vw,38px);line-height:1.14}.sub{font-size:14px;line-height:1.7}.hero-actions,.hero-actions button,.result-actions,.result-actions button{width:100%}.topbar{gap:10px;margin-bottom:14px}.progress{min-width:100%}.progress-text{width:100%;text-align:right;font-size:13px}.meta-row{margin-bottom:12px}.question-text{font-size:19px;line-height:1.65;margin-bottom:16px}.option-btn{grid-template-columns:40px 1fr;gap:12px;padding:14px;border-radius:14px;align-items:flex-start;min-height:64px}.option-code{width:34px;height:34px}.quiz-actions{flex-direction:column-reverse;align-items:stretch;gap:10px;margin-top:0}.quiz-nav-row{width:100%}.quiz-actions-dock{position:static;left:auto;right:auto;bottom:auto;z-index:auto;width:100%;align-self:center;justify-self:stretch;padding:12px;border:1px solid var(--line);border-radius:18px;background:var(--panel-soft);box-shadow:0 16px 36px rgba(37,57,37,.12);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.panel,.result-copy-card,.result-hero,.result-poster-card{padding:16px;border-radius:16px}.result-title{font-size:26px;line-height:1.18}.result-poster-inner{width:100%;padding:10px;border-radius:16px}.poster-type-copy{padding:6px 6px 14px}.poster-type-lead{font-size:24px}.poster-type-cn{margin-top:10px;font-size:clamp(36px,12vw,54px)}.poster-type-code{margin-top:8px;font-size:clamp(26px,9vw,40px)}.result-poster-image{width:100%}.result-poster-meta{margin-top:14px}.result-poster-tools{justify-content:center}.result-poster-report-row{gap:10px}.result-sub{font-size:14px;line-height:1.7}.result-copy-title{font-size:16px}.result-desc{font-size:14px;line-height:1.8}.result-toolbar{gap:10px}.icon-action{width:50px;height:50px}.helper-modal,.report-modal,.share-sheet{width:min(100%,340px);padding:16px;border-radius:18px}.report-grid{grid-template-columns:1fr;gap:10px}.pill-row{gap:8px}.pill{width:100%;border-radius:14px}.panel h3{font-size:15px}.panel-grid{grid-template-columns:1fr;gap:12px}.dim-item,.rank-item{padding:12px;border-radius:12px}.result-actions{flex-direction:column}.result-actions button{width:100%}}@media (max-width:420px){.shell{width:calc(100vw - 12px)}.hero{padding:28px 14px}.quiz-wrap,.result-wrap{padding:12px}.quiz-wrap{margin-top:20px}.panel,.question-card,.result-copy-card,.result-hero,.result-poster-card{padding:14px}.question-text{font-size:18px}.capture-banner{padding:12px 14px;font-size:14px}.quiz-actions-dock{padding:10px;border-radius:16px}.share-platforms{grid-template-columns:1fr}.share-platform{flex-direction:row;justify-content:flex-start;gap:12px;padding:12px}.platform-mark{width:44px;height:44px;font-size:16px}}