@import url("/core/fonts/fonts.css?v=7df4a81b522001c33e74f4eadd8b29606807794d");
/* 品牌 A「读成母语」双色系统:墨蓝=纸墨结构,琥珀=唯一动作色;影院带承担深蓝场景。品牌墨 #10161D 用于图形标/og 底;琥珀 #F5A623 全站唯一强调值。 */
:root{color-scheme:light;--bg:#F7F8F5;--surface:#fff;--text:#22303F;--muted:#5C6672;--soft:#EFEFEA;--line:#E4E5DE;--accent:#A66108;--bright:#F5A623;--cta:#F5A623;--cta-ink:#22303F;--cta-hover:#E08E0F;--shadow:0 24px 60px #0C142040;--serif:"Noto Serif SC","Songti SC","STSong",Georgia,serif;--serif-latin:"Source Serif 4",Georgia,serif}
*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;scrollbar-color:var(--line) var(--bg)}
::selection{background:#F5A62359;color:var(--text)}:focus-visible{outline:2px solid var(--accent);outline-offset:1px}input:focus-visible,select:focus-visible,textarea:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px #F5A6232E}a{color:var(--text);text-underline-offset:4px}button,input,select{font:inherit;caret-color:var(--accent)}button,select{cursor:pointer}button:disabled{opacity:.55;cursor:default}.shell{width:min(1120px,calc(100% - 48px));margin-inline:auto}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:22px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-family:var(--serif);font-size:18px;font-weight:900;text-decoration:none;white-space:nowrap}
.mark{flex:none;width:32px;height:32px}
.topbar-actions{display:flex;gap:18px;align-items:center}nav{display:flex;gap:24px;align-items:center}nav a{text-decoration:none;color:var(--muted);font-weight:550;white-space:nowrap}nav a:hover,nav a[aria-current=page]{color:var(--text)}
.account-pill{border:1px solid var(--line);padding:8px 18px;background:var(--surface);border-radius:999px;text-decoration:none;white-space:nowrap;max-width:170px;overflow:hidden;text-overflow:ellipsis}
.install-guide{margin:4px 0 18px}.install-guide img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line);cursor:zoom-in}
#locale{border:0;background:transparent;color:var(--muted);font-size:13px;min-height:40px;max-width:100px}
h1,h2,h3{line-height:1.25;text-wrap:balance;font-family:var(--serif);color:var(--text)}
h1{font-size:clamp(38px,4.6vw,58px);letter-spacing:.01em;margin:0 0 18px;font-weight:900}
h2{font-size:26px;letter-spacing:.01em;margin:0 0 24px;font-weight:600}
h3{font-size:17px;margin:14px 0 8px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;font-weight:650}
p{max-width:72ch;margin:0 0 14px;color:var(--muted)}
.hero{padding-block:58px 12px}
.hero-copy{max-width:780px;margin:0 auto;text-align:center}
.hero-copy h1{margin-bottom:18px}
.hero-sub{font-size:15.5px;line-height:1.75;color:var(--muted);max-width:68ch;margin:0 auto}
.hero-copy .note{margin-inline:auto}
.cap{display:inline-block;background:#10161D;color:#fff;padding:.1em .26em .13em;border-radius:.08em;line-height:1.3}
.note{font-size:13px;line-height:1.8}
.actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;align-items:center;margin:26px 0 0}
.hero .actions{gap:14px;margin-top:22px;margin-bottom:30px;position:relative;left:50%;transform:translateX(-50%);width:min(96vw,1152px)}
.hero .extension-actions{position:relative}
.hero .zip-link{position:absolute;inset-inline-end:0;bottom:-24px;min-height:0;padding:2px 0;font-size:11px}
.hero .actions .button{min-height:42px;padding:9px 20px;font-size:14px;font-weight:600}
.hero .actions .button .cta-sub{font-size:11.5px;font-weight:500;opacity:.75;margin-left:2px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 26px;font-weight:650;text-decoration:none;border-radius:999px;border:1px solid transparent;line-height:1.5}
.primary{background:var(--cta);color:var(--cta-ink)}.primary:hover{background:var(--cta-hover)}
.secondary{background:var(--surface);border-color:var(--line);color:var(--text)}.secondary:hover{background:var(--soft)}
.button[aria-disabled=true]{opacity:.6;pointer-events:none}
.cinema{background:#1B2A3A;padding:44px 0 30px;margin-top:26px}
.cinema-inner{display:flex;flex-direction:column;align-items:center}
.preview{min-width:0;width:min(1020px,100%);border-radius:24px;background:radial-gradient(120% 100% at 50% 16%,#3D5A78 0%,#22354B 46%,#101924 100%);box-shadow:0 34px 90px #060B12B3;overflow:hidden;position:relative;aspect-ratio:2.02}
.wt-chip{position:absolute;top:16px;left:16px;display:flex;align-items:center;gap:9px;background:#10161D9E;border:1px solid #FFFFFF24;color:#E8E4DA;font-size:12px;padding:7px 13px;border-radius:999px}
.wt-chip i{display:grid;place-items:center;width:17px;height:17px;border-radius:5px;background:#22303F;color:#F5A623;font:800 9.5px/1 -apple-system,BlinkMacSystemFont,sans-serif;font-style:normal}
.wt-chip b{width:7px;height:7px;border-radius:50%;background:var(--bright);box-shadow:0 0 0 3px #F5A62340}
.preview-captions{position:absolute;left:50%;bottom:54px;transform:translateX(-50%);text-align:center;display:flex;flex-direction:column;gap:7px;align-items:center;width:max-content;max-width:86%}
.preview-captions span{font:italic 600 14px/1.5 var(--serif-latin);color:#C9CFD8;text-shadow:0 1px 3px #0009}
.preview-captions strong{background:#0A0D11;color:#fff;font-size:20px;font-weight:700;padding:7px 16px;border-radius:8px}
.preview-timeline{position:absolute;height:3px;background:#FFFFFF38;bottom:18px;left:20px;right:20px;border-radius:2px}
.preview-timeline span{display:block;width:42%;height:100%;background:var(--bright);border-radius:2px}
.preview-label{margin:14px 0 0;color:#B7C2CD;font-size:12px;text-align:center}
.section{padding-block:20px 48px}
.offers{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding-block:44px 40px}
.offer{display:flex;flex-direction:column;align-items:flex-start;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px 28px}
.offer-kicker{font-size:12.5px;font-weight:700;color:var(--accent)}
.offer h2{font-family:var(--serif);font-size:22px;font-weight:600;margin:0;line-height:1.35}
.offer p{font-size:14px;margin:0}
.offer .button{margin-top:10px}
.offer-note{font-size:12px;color:var(--muted);margin:2px 0 0}
.export-feature{padding:28px 0 40px}.export-feature h2{margin:0 0 14px}.export-feature>p{max-width:70ch;margin:0 0 28px}
.export-workflows{display:grid;grid-template-columns:1fr 1fr;gap:32px}.export-workflows article{min-width:0}.export-workflows h3{font-size:18px;margin:0 0 10px}.export-workflows p{font-size:14px;margin:0 0 12px}.export-workflows a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);font-weight:650;text-underline-offset:3px}.export-workflows a:hover{color:var(--text)}
@media(max-width:720px){.export-feature{padding:24px 0 32px}.export-workflows{grid-template-columns:1fr;gap:24px}}
.beta{display:inline-block;vertical-align:middle;font-size:12px;font-weight:650;color:var(--accent);border:1px solid var(--line);border-radius:4px;padding:2px 6px;margin-inline-start:8px}.export-workflows .beta-note,.faq-item .beta-note{font-size:13px;color:var(--muted)}
.extension-section{margin:12px 0 56px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
summary{cursor:pointer;padding:26px;display:list-item;list-style-position:inside}
summary>span{display:inline-flex;vertical-align:middle;flex-direction:column;gap:5px;max-width:calc(100% - 25px)}
summary strong{font-size:18px;font-family:var(--serif)}
summary span span{font-size:14px;color:var(--muted)}
.extension-body{padding:0 30px 28px}.extension-body h2{font-size:21px;margin:34px 0 20px}
.install-steps{padding-left:24px;color:var(--muted);max-width:72ch}.install-steps li{padding:0 0 15px 7px}
.sticker{display:inline-block;background:#10161D;color:#FAF8F3;font:700 12.5px/1 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;padding:9px 14px;border-radius:8px;transform:rotate(-2deg);box-shadow:3px 3px 0 var(--bright)}
.sticker.amber{background:var(--accent);color:#FFF6E8}
/* 主张行:宋体大字,不加下划线(贴字底的下划线看起来像划歪的高亮笔)。强调靠字号与字重。 */
.hero-claim{font-family:var(--serif);font-weight:700;color:var(--text);font-size:clamp(21px,2.5vw,28px);line-height:1.4;margin:0 auto 12px;text-wrap:balance}
/* 价值带:hero 与"两个优点"之间用一条细线分区,带内两列左对齐文字,整块居中——避免"居中标题 + 漂浮表格"的对齐打架。 */
.hero-points{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px 44px;list-style:none;margin:6px auto 0;padding:24px 0 4px;max-width:1020px;border-top:1px solid var(--line);text-align:start}
@media(max-width:1050px){.hero-points{grid-template-columns:repeat(2,minmax(0,1fr))}}
.hero-points li{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;align-items:start;align-content:start}
.hero-points li::before{content:"";grid-row:1/3;width:7px;height:7px;margin-top:.55em;border-radius:50%;background:var(--text)}
.hero-points strong{font-size:15.5px;font-weight:650;color:var(--text);line-height:1.4}
.hero-points span{font-size:13.5px;line-height:1.7;color:var(--muted)}
/* ADR-0077:三条价值点为同级信息,列表点一律用默认墨色;琥珀仅留给主 CTA,避免稀释行动色。 */
.preview-sticker{position:absolute;top:16px;right:16px;transform:rotate(-2deg);text-transform:uppercase;letter-spacing:.05em}
.faq{padding-block:6px 46px}
.faq h2{margin:0 0 20px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;margin-bottom:10px}
.faq-item summary{padding:18px 24px}
.faq-item summary h3{display:inline;margin:0;font-size:17px;font-weight:650}
/* FAQ 回答跟随卡片宽度:显式解除全局 p{max-width:72ch} 的阅读宽度cap(Owner 指示)。 */
.faq-item p{padding:0 24px 18px;margin:0;font-size:14px;max-width:none}
.faq-item[open] summary{padding-bottom:12px}
.faq-rows{list-style:none;padding:0 24px 18px;margin:0;font-size:14px}.faq-rows li+li{margin-top:8px}.faq-rows strong{font-weight:650}
.faq-item .faq-link{margin-top:-4px;font-size:13px}.faq-item .faq-link a{color:var(--accent);font-weight:650}
.footer{display:flex;justify-content:space-between;gap:20px;padding-block:26px 36px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.footer span:first-child{font-family:var(--serif);font-weight:600}
.footer div{display:flex;gap:20px;flex-wrap:wrap}.footer a{color:var(--muted)}
@media(max-width:980px){.topbar{align-items:flex-start}.topbar-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px}nav{gap:15px}.hero{padding-block:42px 12px}.cinema{padding:48px 0 44px}.preview{aspect-ratio:1.55}}
@media(max-width:720px){.shell{width:calc(100% - 36px)}.topbar{flex-wrap:wrap;padding-block:20px;gap:16px}.topbar-actions{width:100%;justify-content:space-between;gap:10px}nav{order:2;width:100%;justify-content:space-between;padding-top:8px;font-size:14px}#locale{margin-left:auto}.actions .button{flex:1 1 140px;min-width:0;text-align:center;padding-inline:16px}.offers{grid-template-columns:1fr;gap:14px;padding-block:32px 28px}.offer{padding:24px 22px}.footer{flex-direction:column}.footer div{gap:14px}.extension-body{padding-inline:24px}summary{padding:22px}.cinema{padding:34px 0 32px}.preview{aspect-ratio:1.35}.preview-captions strong{font-size:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(prefers-reduced-motion:no-preference){.button{transition:background-color .15s ease-out}}
@media(max-width:600px){.hero .actions{flex-direction:column;align-items:stretch}.hero .actions .button{width:100%;flex:none}}
@media(max-width:720px){.hero-points{grid-template-columns:1fr;gap:18px;margin-top:6px;padding-top:22px;max-width:100%}.preview-sticker{top:12px;right:12px;font-size:11px;padding:7px 11px}.faq-item summary{padding:16px 18px}.faq-item p,.faq-rows{padding:0 18px 16px}}

.lang-list { margin:6px 0 0; color:#555; font-size:14px; line-height:1.9; }

/* ADR-0134 修订:邀请有礼 v1.1——首页被邀请者横幅、账户页欢迎块、标准表单控件与链接行。 */
.invite-banner{display:flex;gap:18px;align-items:center;justify-content:space-between;margin:16px auto 0;padding:16px 18px;
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px}
.invite-banner h2{margin:0 0 4px;font-size:16px}
.invite-banner p{margin:0;font-size:14px;color:var(--muted);text-wrap:pretty}
.invite-banner .terms{margin:6px 0 0;font-size:12px}
.invite-banner .terms a{color:var(--muted)}
.invite-banner .banner-actions{display:flex;gap:10px;align-items:center;flex:0 0 auto}
.invite-banner .button{min-height:44px;padding:10px 20px}
@media(max-width:640px){.invite-banner{flex-direction:column;align-items:stretch}
  .invite-banner .banner-actions{flex-direction:column;align-items:stretch}}
.invite-welcome{margin:0 0 20px;padding:14px 16px;background:var(--soft);border-left:3px solid var(--accent);border-radius:8px}
.invite-welcome h2{margin:0 0 6px;font-size:15px}
.invite-welcome p{margin:0 0 6px;font-size:13px;line-height:1.7;color:var(--text)}
.invite-welcome p.sub{margin-bottom:0;color:var(--muted)}
.invite-welcome p.sub + p.sub{margin-top:6px}
.control{min-height:48px;padding:11px 13px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text);font:inherit}
.control:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
@media(forced-colors:active){.control:focus{outline:2px solid CanvasText}}
.link-row{display:flex;gap:8px;flex-wrap:wrap;align-items:stretch}
.link-row .control{flex:1 1 240px;min-width:0}
.link-row .button{flex:0 0 auto}
.invite-progress{font-variant-numeric:tabular-nums;margin:10px 0 0}
/* ADR-0134 修订:低权重文字按钮从 account.css 提到共享层——营销页只加载 site.css,
   首页横幅的「关闭」曾因此渲染成系统默认按钮(46×32, 灰底出边框)。 */
.text-button{border:0;background:transparent;padding:7px 0;color:var(--accent);font:inherit;
  text-decoration:underline;text-underline-offset:4px;cursor:pointer}
/* 横幅的「关闭」需要 44px 触达目标(其它页面的既有 text-button 尺寸不动)。 */
.invite-banner .text-button{min-height:44px;padding:10px 6px;font-weight:600}
.ga4-consent{position:fixed;z-index:1000;inset:auto 16px 16px;max-width:620px;margin:auto;padding:16px 18px;
  border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);
  box-shadow:0 12px 36px #0003;font-size:14px;line-height:1.55}
.ga4-consent p{margin:0 0 12px}
.ga4-consent div{display:flex;gap:10px;flex-wrap:wrap}
.ga4-consent button{min-height:44px;padding:8px 16px;border:1px solid var(--line);border-radius:8px;
  background:var(--surface);color:var(--text);font:inherit;cursor:pointer}
.ga4-consent button:first-child{border-color:var(--accent);background:var(--accent);color:#fff}
.ga4-consent button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.guide-links{display:block;padding-block:24px;line-height:2;text-wrap:balance}

/* Store is the extension action; the latest ZIP remains a compact, accessible alternative. */
.extension-actions{display:flex;align-items:center;gap:8px 18px;flex-wrap:wrap}.hero .extension-actions{justify-content:flex-end}
.zip-link{display:inline-flex;align-items:center;min-height:44px;padding:8px 0;font-size:13px;color:var(--muted);text-decoration:underline}
.zip-link:hover{color:var(--accent)}.zip-link[aria-disabled="true"]{opacity:.55;cursor:default}
.manual-install{margin-top:24px}.manual-install>summary{min-height:44px;padding:10px 0;cursor:pointer;font-weight:600}