/* SpeakDaily 官网 skeleton */
:root{--green:#58cc02;--green-d:#46a302;--ink:#1f2937;--muted:#6b7280;--bg:#ffffff;--soft:#f7faf5;--line:#e5e7eb;}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.7;background:var(--bg)}
a{color:inherit;text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
.topbar{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.nav .brand{font-weight:800;font-size:20px;color:var(--green-d)}
.nav ul{display:flex;gap:24px;list-style:none}
.nav ul a{color:var(--muted);font-size:15px}
.nav ul a:hover{color:var(--green-d)}
.hero{background:linear-gradient(120deg,#eaf9ff,#f3fff0 45%,#fdf6e9);text-align:center;padding:72px 20px 48px}
.hero h1{font-size:40px;line-height:1.3;margin-bottom:16px}
.hero p{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto 28px}
.btn{display:inline-block;background:var(--green);color:#fff;font-weight:700;padding:13px 34px;border-radius:14px;font-size:16px;box-shadow:0 4px 0 var(--green-d)}
.btn:hover{background:var(--green-d)}
.hero .trust{margin-top:26px;color:var(--muted);font-size:13px}
.section{padding:56px 20px}
.section h2{font-size:26px;margin-bottom:8px;text-align:center}
.section .sub{text-align:center;color:var(--muted);margin-bottom:36px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:var(--soft);border-radius:16px;padding:24px}
.card .ph{height:120px;border-radius:10px;background:linear-gradient(135deg,#d8f5d2,#b7e0ff);margin-bottom:14px;display:flex;align-items:center;justify-content:center;color:#6b7280;font-size:13px}
.card h3{font-size:18px;margin-bottom:6px}
.card p{color:var(--muted);font-size:14px}
.stats{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.stat{background:var(--green);color:#fff;border-radius:14px;padding:18px 26px;font-weight:800;text-align:center;min-width:150px}
.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:30px}
.page{padding:48px 20px}
.page h1{font-size:32px;margin-bottom:20px}
.page h2{font-size:22px;margin:28px 0 10px}
.page p,.page li{color:#374151;font-size:15px;margin-bottom:8px}
.page ol,.page ul{padding-left:22px}
.placard{background:var(--soft);border:1px dashed #b6c6b4;border-radius:10px;padding:16px;margin:14px 0;color:var(--muted)}
footer{border-top:1px solid var(--line);padding:30px 20px;text-align:center;color:var(--muted);font-size:13px}
footer a{margin:0 8px;color:var(--green-d)}
footer a:hover{text-decoration:underline}
@media(max-width:640px){.hero h1{font-size:28px}.nav ul{gap:14px}}

.shot{width:100%;border-radius:12px;display:block;margin-bottom:14px;border:1px solid var(--line)}

/* 手绘界面效果图 */
.phone{background:#fff;border:2px solid #14181f;border-radius:22px;padding:8px;margin:0 auto 16px;max-width:178px;box-shadow:0 10px 22px rgba(0,0,0,.10)}
.phone .scr{background:#eef5e9;border-radius:12px;padding:10px;min-height:172px;font-size:10px;line-height:1.45;color:#2b3440;overflow:hidden;display:flex;flex-direction:column}
.stt{font-weight:700;font-size:11px;color:#1f2937}
.sub2{font-size:9px;color:#8b949e}
.pill{display:inline-block;background:var(--green);color:#fff;border-radius:8px;padding:2px 7px;font-size:9px;font-weight:700}
.pill.ghost{background:#fff;color:var(--green-d);border:1px solid var(--green)}
.wave{display:flex;align-items:flex-end;gap:2px;height:26px;margin:8px 0}
.wave i{flex:1;background:var(--green);border-radius:2px;opacity:.8}
.wrow{display:flex;flex-wrap:wrap;gap:3px;margin-top:6px}
.wrow b{background:#fff;border-radius:5px;padding:1px 5px;font-size:9px;color:#2b3440}
.wrow b.ok{background:#d9f3cf;color:#3a7d22}
.bub{background:#fff;border-radius:10px 10px 10px 2px;padding:5px 8px;margin:3px 0;align-self:flex-start;max-width:90%;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.bub.me{background:var(--green);color:#fff;border-radius:10px 10px 2px 10px;align-self:flex-end}
.opt{background:#fff;border:1px solid #dfe7d9;border-radius:7px;padding:3px 6px;margin:3px 0;font-size:9px}
.opt.on{background:var(--green);color:#fff;border-color:var(--green)}
.cta2{background:var(--green);color:#fff;text-align:center;border-radius:8px;padding:4px;margin-top:6px;font-size:9px;font-weight:700}
.gline{height:5px;background:#dbe6d3;border-radius:3px;margin:4px 0}
.gline.w6{width:60%}.gline.w8{width:85%}
.word{font-size:15px;font-weight:800;color:#1f2937}
.ipa{font-size:9px;color:#8b949e}
.dots{display:flex;gap:3px;margin:6px 0}
.dots i{width:12px;height:5px;border-radius:3px;background:var(--green)}
.dots i.on{background:var(--green-d)}
.chips2{display:flex;flex-wrap:wrap;gap:4px}
.chips2 span{background:#fff;border-radius:6px;padding:2px 6px;font-size:9px;color:#3a7d22;border:1px solid var(--green)}

.nav .brand{display:flex;align-items:center;gap:8px}
.brand .logo{height:28px;width:28px;border-radius:7px}

/* ---- rich homepage ---- */
.eyebrow{color:var(--green-d);font-weight:800;letter-spacing:2px;font-size:14px;margin-bottom:10px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}
.hero-chips span{background:#fff;border:1px solid var(--green);color:var(--green-d);border-radius:99px;padding:6px 14px;font-size:13px;font-weight:600}
.statrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:14px;max-width:860px;margin:0 auto}
.statc{background:var(--soft);border-radius:14px;padding:16px;text-align:center}
.statc b{font-size:26px;color:var(--green-d);display:block}
.statc span{font-size:13px;color:var(--muted)}
.person-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.person{background:var(--soft);border-radius:14px;padding:18px}
.person b{display:block;margin-bottom:4px}
.person span{color:var(--muted);font-size:14px}
.levels{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:10px}
.lv{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 22px;min-width:150px;text-align:center;box-shadow:0 2px 6px rgba(0,0,0,.04)}
.lv b{display:block;font-size:16px;color:var(--ink)}
.lv span{font-size:12px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;position:relative}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-14px;left:20px;width:28px;height:28px;background:var(--green);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800}
.step h3{margin:8px 0 6px}
.step p{color:var(--muted);font-size:14px}
.proband{background:linear-gradient(120deg,#d9f7c8,#b7e0ff);border-radius:20px;padding:34px;text-align:center}
.proband .price{color:var(--green-d);font-weight:800;font-size:18px}
.faq details{background:var(--soft);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin-top:8px;color:var(--muted);font-size:14px}
.ctaband{background:var(--ink);color:#fff;text-align:center;padding:48px 20px;border-radius:20px}
.ctaband .btn{margin-top:6px}

/* ---- score & report showcase ---- */
.showcase{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:28px;justify-items:center;margin-top:30px}
.showcase .phone{max-width:200px}
.score{width:66px;height:66px;border-radius:50%;background:#fff;border:6px solid var(--green);display:flex;flex-direction:column;align-items:center;justify-content:center;margin:6px auto;font-size:20px;font-weight:800;color:var(--green-d);line-height:1}
.score small{font-size:9px;color:var(--muted);font-weight:500;margin-top:2px}
.dim{display:flex;align-items:center;gap:6px;margin:3px 0;font-size:9px;color:#4b5563}
.dim i{flex:1;height:6px;background:#e2eadc;border-radius:3px;overflow:hidden}
.dim i b{display:block;height:6px;background:var(--green);border-radius:3px}
.hint{background:#fff8e6;border-radius:8px;padding:6px 8px;font-size:9px;color:#7a5b00;margin-top:6px}
.reprow{display:flex;justify-content:space-between;font-size:9px;color:#4b5563;margin:2px 0}
.lvbadge{background:var(--green);color:#fff;border-radius:8px;padding:2px 8px;font-size:9px;font-weight:700}

/* ---- colorful accents ---- */
:root{--c1:#58cc02;--c2:#0ea5e9;--c3:#8b5cf6;--c4:#f59e0b;--c5:#ec4899;--c6:#06b6d4}
.bd-green{border-color:var(--c1)!important}.bd-sky{border-color:var(--c2)!important}
.bd-violet{border-color:var(--c3)!important}.bd-amber{border-color:var(--c4)!important}
.bd-rose{border-color:var(--c5)!important}.bd-cyan{border-color:var(--c6)!important}
.statc{background:#fff;border:1px solid var(--line)}
.statc b{font-size:28px}
.statc:nth-child(1) b{color:#3d9a0a}.statc:nth-child(2) b{color:#0ea5e9}
.statc:nth-child(3) b{color:#8b5cf6}.statc:nth-child(4) b{color:#f59e0b}.statc:nth-child(5) b{color:#ec4899}
.lv{border-top:5px solid #e5e7eb}
.lv:nth-child(1){border-top-color:#0ea5e9}.lv:nth-child(2){border-top-color:#8b5cf6}
.lv:nth-child(3){border-top-color:#f59e0b}.lv:nth-child(4){border-top-color:#ec4899}
.lv:nth-child(5){border-top-color:#06b6d4}.lv:nth-child(6){border-top-color:#58cc02}
.step::before{background:#58cc02}
.steps .step:nth-child(2)::before{background:#0ea5e9}
.steps .step:nth-child(3)::before{background:#8b5cf6}
.section h2:after{content:"";display:block;width:44px;height:4px;border-radius:2px;margin:8px auto 0;background:linear-gradient(90deg,#58cc02,#0ea5e9,#8b5cf6)}

.person{border-top:4px solid transparent}
.scene-grid .person:nth-child(1){border-top-color:#0ea5e9}
.scene-grid .person:nth-child(2){border-top-color:#8b5cf6}
.scene-grid .person:nth-child(3){border-top-color:#f59e0b}
.tagrow{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:8px}
.tagrow span{border-radius:99px;padding:9px 18px;font-weight:700;color:#fff;font-size:14px}
.why{max-width:760px;margin:0 auto;text-align:left}
.why li{margin:10px 0;font-size:15px;list-style:none}
.why li::before{content:"✔ ";color:var(--green-d);font-weight:800}

/* FluentEmoji 图标（images/icons/，MIT 许可，见该目录 LICENSE.txt）
   源图 256px，已缩至 96px —— 显示尺寸取其 1/3~1/2，保证 2x/3x 屏不糊 */
.ci{width:16px;height:16px;vertical-align:-3px;margin-right:5px}
.pi{width:34px;height:34px;display:block;margin-bottom:8px}
.lvi{width:40px;height:40px;display:block;margin:0 auto 8px}
.sti{width:34px;height:34px;display:block;margin-bottom:2px}