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.section{width:min(1160px,calc(100% - 64px));margin:auto;padding:128px 0}.section-heading{max-width:710px}.section-heading.center{margin:auto;text-align:center}.section-kicker{color:#327bcc;font-size:11px;font-weight:800;letter-spacing:.1em}.section-heading h2,.product-copy h2,.security-copy h2{margin:18px 0 20px;font-size:clamp(42px,5vw,61px);line-height:1.18;letter-spacing:-.055em}.section-heading>p,.product-copy>p,.security-copy>p{color:var(--muted);font-size:14px;line-height:1.8}.story-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;margin-top:55px}.story-card{padding:17px 17px 29px;background:#f7faff;border:1px solid #e4edf7;border-radius:25px;transition:.25s}.story-card:hover{transform:translateY(-5px);border-color:#c9def5;box-shadow:var(--shadow)}.story-large{grid-row:span 3}.story-visual{min-height:178px;display:grid;place-items:center;background:#fff;border-radius:18px;overflow:hidden}.story-large .story-visual{min-height:505px;background:radial-gradient(circle at 30% 20%,#fff,transparent 34%),linear-gradient(145deg,#e9f5ff,#cce6ff)}.caption-window{width:76%;padding:26px;background:#fff;border:1px solid #d8e8f7;border-radius:18px;box-shadow:0 23px 55px rgba(36,91,151,.14)}.caption-meta{display:flex;align-items:center;justify-content:space-between;color:#8498ae;font-size:9px}.caption-meta span{display:flex;align-items:center;gap:7px}.caption-meta i{width:7px;height:7px;background:#31c68d;border-radius:50%}.caption-window p{margin:28px 0 12px;color:#5a7088;font-size:13px;line-height:1.65}.caption-window strong{color:#0c54bd;font-size:17px;line-height:1.65}.story-copy{padding:21px 15px 0}.story-copy>span{color:#8ea3bb;font-size:9px;font-weight:800}.story-copy h3{margin:8px 0 7px;font-size:19px}.story-copy p{margin:0;color:#70839a;font-size:11px;line-height:1.7}.voice-visual{display:flex;align-items:center;gap:36px}.voice-disc{width:78px;height:78px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--blue),var(--sky));border-radius:50%;box-shadow:0 15px 34px rgba(23,105,224,.2);font-size:21px;font-weight:800}.bars{height:93px;display:flex;align-items:flex-end;gap:7px}.bars i{width:13px;height:50%;background:#d9ebff;border-radius:5px 5px 2px 2px}.bars i:nth-child(2){height:80%;background:#acd5ff}.bars i:nth-child(3){height:100%;background:var(--blue)}.bars i:nth-child(4){height:68%;background:#72b6fb}.bars i:nth-child(5){height:38%}.cards-visual{grid-template-columns:1fr 1fr;gap:10px;padding:21px}.mini-card{width:100%;padding:18px 15px;color:#47617d;background:#f4f8fd;border:1px solid #e0eaf5;border-radius:13px;font-weight:800}.mini-card small{display:block;margin-top:6px;color:#91a2b5;font-size:9px}.mini-card.active{color:var(--blue);background:#eaf3ff;border-color:#9ec8fa}.history-visual{position:relative;align-content:center;justify-items:stretch;gap:8px;padding:24px}.history-visual>span{height:8px;background:#edf3fa;border-radius:3px}.history-visual>span:nth-child(2){width:82%}.history-visual>span:nth-child(3){width:66%}.history-visual div{position:absolute;right:25px;bottom:22px;display:flex;align-items:center;gap:7px;color:#5d7692}.history-visual b{width:32px;height:32px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:9px;font-size:9px}.history-visual small{font-size:9px}
.video-section{width:min(1160px,calc(100% - 64px));max-width:1160px;min-width:0;padding-top:112px;padding-bottom:72px;overflow:hidden}.video-section .section-heading{max-width:780px}.video-shell{position:relative;width:100%;max-width:100%;min-width:0;margin-top:48px;padding:12px;background:radial-gradient(circle at 12% 0,rgba(66,145,235,.22),transparent 31%),linear-gradient(145deg,#102b4e,#07172c);border:1px solid rgba(70,132,202,.35);border-radius:30px;box-shadow:0 36px 90px rgba(12,51,98,.2);overflow:hidden}.video-topbar{height:42px;padding:0 10px 10px;display:flex;align-items:center;justify-content:space-between;color:rgba(255,255,255,.68)}.video-topbar span{display:flex;align-items:center;gap:8px;font-size:10px}.video-topbar i{width:7px;height:7px;background:#39d79a;border-radius:50%;box-shadow:0 0 0 5px rgba(57,215,154,.11)}.video-topbar b{font-weight:700}.video-topbar small{font-size:8px;font-weight:800;letter-spacing:.18em}.video-container{position:relative;width:100%;max-width:100%;min-width:0;aspect-ratio:16/9;background:#020914;border-radius:20px;overflow:hidden;contain:layout paint}.promo-video{position:absolute;inset:0;width:100%;max-width:100%;height:100%;display:block;object-fit:contain;background:#020914}.video-note{margin:18px 0 0;color:#8295aa;font-size:10px;text-align:center}
.product-section{width:min(1180px,calc(100% - 48px));min-height:680px;padding:82px 76px;display:grid;grid-template-columns:.82fr 1.18fr;align-items:center;gap:65px;background:#edf7ff;border:1px solid #e2eef9;border-radius:34px}.product-copy>p{margin:0 0 26px}.steps{margin:30px 0 0;padding:0;list-style:none}.steps li{padding:16px 0;display:flex;gap:17px;border-bottom:1px solid #d7e6f4}.steps li>b{color:#76a3d6;font-size:9px}.steps span{display:flex;flex-direction:column;gap:4px}.steps strong{font-size:13px}.steps small{color:#758ba3;font-size:10px;line-height:1.5}.product-demo{position:relative;min-width:0}.app-window{padding:22px;background:rgba(255,255,255,.97);border:1px solid #d9e7f6;border-radius:23px;box-shadow:0 34px 80px rgba(38,86,145,.18);transform:rotate(-1.4deg)}.app-top{padding-bottom:16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e5edf6}.app-top span{display:flex;align-items:center;gap:8px;font-size:12px}.app-top span i,.dot{width:7px;height:7px;display:inline-block;background:#32c68d;border-radius:50%;box-shadow:0 0 0 4px rgba(50,198,141,.1)}.app-top em{padding:6px 9px;color:#3b719f;background:#eef6ff;border-radius:7px;font-size:8px}.language-route{margin:16px 0;padding:12px 14px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;background:#f4f8fd;border-radius:12px}.language-route div{display:flex;flex-direction:column;gap:3px}.language-route div:last-child{align-items:flex-end}.language-route small{color:#8093a9;font-size:8px}.language-route strong{font-size:11px}.language-route>b{color:var(--blue)}.channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.channel-grid article{min-height:165px;padding:14px;background:#f8fbff;border:1px solid #e1eaf5;border-radius:13px}.channel-grid article>span{display:flex;align-items:center;gap:7px;font-size:10px}.channel-grid article>small{display:block;margin:7px 0 17px;color:#8294a9;font-size:8px}.channel-grid article p{margin:14px 0 0;color:#365776;font-size:9px;line-height:1.55}.level{height:24px;display:flex;align-items:center;gap:3px}.level i{width:2px;height:10px}.app-window>button{width:100%;min-height:43px;margin-top:12px;color:#fff;background:var(--blue);border-radius:11px;font-size:10px;font-weight:800;pointer-events:none}.floating-note{position:absolute;z-index:3;padding:11px 14px;color:#41617f;background:#fff;border:1px solid #dbe8f6;border-radius:11px;box-shadow:0 15px 36px rgba(37,83,144,.14);font-size:9px;font-weight:800}.note-one{right:-25px;top:-25px}.note-two{left:-28px;bottom:35px}
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.security-section{width:min(1180px,calc(100% - 48px));min-height:560px;margin:0 auto 20px;padding:70px 85px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px;color:#fff;background:radial-gradient(circle at 12% 15%,rgba(88,173,255,.35),transparent 30%),linear-gradient(135deg,#0a4fb9,#1171df 70%,#49a0f5);border-radius:34px;overflow:hidden}.security-copy .section-kicker{color:#b9dbff}.security-copy h2 em{color:#a7d3ff}.security-copy>p{color:rgba(255,255,255,.72)}.security-copy ul{margin:25px 0 0;padding:0;display:grid;gap:12px;list-style:none}.security-copy li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.88);font-size:11px}.security-copy li:before{content:"✓";width:22px;height:22px;display:grid;place-items:center;color:#0b63cc;background:#fff;border-radius:7px;font-weight:900}.security-visual{position:relative;min-height:380px;display:grid;place-items:center}.shield{position:relative;z-index:2;width:178px;height:204px;display:grid;place-items:center;background:rgba(255,255,255,.96);clip-path:polygon(50% 0,90% 17%,88% 63%,72% 85%,50% 100%,28% 85%,12% 63%,10% 17%);filter:drop-shadow(0 25px 40px rgba(0,32,94,.24))}.shield span{width:64px;height:64px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:50%;font-size:28px;font-weight:900}.privacy-ring{position:absolute;border:1px solid rgba(255,255,255,.25);border-radius:50%}.ring-one{width:310px;height:310px}.ring-two{width:430px;height:430px;opacity:.6}
.faq-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.faq-list{display:grid;align-content:start}.faq-list details{border-bottom:1px solid #dfe9f4}.faq-list summary{padding:22px 38px 22px 0;position:relative;cursor:pointer;font-size:14px;font-weight:750;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:3px;top:17px;width:28px;height:28px;display:grid;place-items:center;color:var(--blue);background:#eef6ff;border-radius:8px;font-size:17px;transition:.2s}.faq-list details[open] summary:after{transform:rotate(45deg)}.faq-list p{margin:-5px 0 24px;padding-right:38px;color:#70839a;font-size:11px;line-height:1.8}
.final-cta{width:min(1280px,calc(100% - 48px));min-height:470px;margin:20px auto 80px;padding:65px 25px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;background:radial-gradient(circle at 15% 20%,rgba(100,185,255,.55),transparent 31%),radial-gradient(circle at 90% 80%,rgba(87,176,255,.45),transparent 28%),linear-gradient(135deg,#0752c7,#1575e8 60%,#459cf4);border-radius:34px;text-align:center;overflow:hidden}.final-cta img{width:76px;height:76px;padding:7px;background:#fff;border-radius:20px}.final-cta>span{margin-top:15px;color:rgba(255,255,255,.65);font-size:9px;font-weight:800;letter-spacing:.2em}.final-cta h2{margin:16px 0 12px;font-size:clamp(38px,4vw,52px);line-height:1.2;letter-spacing:-.045em}.final-cta h2 em{color:#fff}.final-cta>p{margin:0;color:rgba(255,255,255,.72);font-size:13px}.final-cta>div{display:flex;gap:10px;margin-top:28px}.button-light{color:#0759cc;background:#fff}.button-outline-light{color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.45)}
.site-footer{width:min(1280px,calc(100% - 48px));margin:auto}.footer-main{min-height:205px;padding:44px 0;display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:45px;border-top:1px solid #e1eaf4}.footer-brand p{margin:22px 0 0;color:#8a9caf;font-size:10px}.footer-links{display:flex;flex-direction:column;align-items:flex-start;gap:11px}.footer-links strong{margin-bottom:3px;font-size:11px}.footer-links a,.footer-links button,.footer-links span{padding:0;color:#74869b;background:none;font-size:10px;text-align:left}.footer-links a:hover,.footer-links button:hover{color:var(--blue)}.visit-count{color:var(--blue)!important}.footer-bottom{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#99a9b9;border-top:1px solid #edf2f7;font-size:9px}.footer-beian{color:inherit;white-space:nowrap}.footer-beian:hover{color:var(--blue)}.toast{position:fixed;z-index:120;left:50%;bottom:25px;max-width:min(460px,calc(100% - 32px));padding:13px 18px;color:#fff;background:rgba(12,36,68,.94);border-radius:12px;box-shadow:0 16px 40px rgba(12,36,68,.25);font-size:11px;opacity:0;pointer-events:none;transform:translate(-50%,15px);transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s,transform .65s}.reveal.visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.wave i,.level i{animation:none}}
@media(max-width:1050px){.site-header{grid-template-columns:auto auto 1fr}.site-header nav{position:fixed;inset:86px 0 auto;padding:25px 24px;display:none;align-items:stretch;flex-direction:column;gap:0;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);box-shadow:0 24px 45px rgba(32,70,118,.12)}.site-header nav.open{display:flex}.site-header nav a{padding:14px 0}.site-header nav a:after{display:none}.nav-toggle{display:block}.header-actions{justify-self:end}.story-grid{grid-template-columns:1fr 1fr}.story-large{grid-row:auto;grid-column:1/-1}.story-large .story-visual{min-height:390px}.product-section{padding:70px 44px;grid-template-columns:1fr}.product-copy{max-width:680px}.product-demo{max-width:650px;margin:auto}.scene-grid{grid-template-columns:1fr 1fr}.scene-card{min-height:220px}.security-section{padding:65px 45px;gap:35px}.security-visual{transform:scale(.82)}}
@media(max-width:760px){.site-header,.hero-shell,.final-cta,.site-footer{width:calc(100% - 28px)}.site-header{height:76px;gap:10px}.site-header:before{height:76px}.site-header nav{top:76px}.brand img{width:39px;height:39px}.brand strong{font-size:15px}.brand small{display:none}.header-actions .button{display:none}.language-picker select{width:46px;padding-left:8px;color:transparent}.language-picker select option{color:#244260}.hero-sky{min-height:690px;padding:55px 18px 0;border-radius:24px 24px 0 0}.hero-copy h1{font-size:45px}.hero-copy>p{font-size:13px}.hero-actions{align-items:stretch;flex-direction:column;max-width:330px;margin:24px auto 0}.hero-proof{gap:7px;font-size:8px}.conversation-stage{width:calc(100% - 8px);height:295px}.voice-core{width:118px;height:118px;bottom:45px}.voice-core img{width:78px;height:78px}.orbit-one{width:350px;height:200px}.orbit-two{width:480px;height:280px}.dialogue-card{width:190px;padding:12px 13px}.dialogue-card p{font-size:9px}.dialogue-left{left:0;bottom:112px}.dialogue-right{right:0;top:20px}.person{width:62px;height:62px;font-size:9px}.person-you{left:13%}.person-other{right:13%}.benefit-strip{grid-template-columns:1fr;border-radius:0 0 24px 24px}.benefit-strip div{padding:22px 25px;border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}.benefit-strip strong{font-size:15px}.section{width:calc(100% - 36px);padding:88px 0}.section-heading h2,.product-copy h2,.security-copy h2{font-size:38px}.video-section{width:calc(100% - 28px);max-width:none;padding-top:84px;padding-bottom:28px}.video-shell{margin-top:34px;padding:7px;border-radius:20px}.video-topbar{height:34px;padding:0 7px 7px}.video-container{border-radius:14px}.story-grid{grid-template-columns:1fr}.story-large{grid-column:auto}.story-large .story-visual{min-height:330px}.caption-window{width:86%;padding:20px}.product-section{width:calc(100% - 28px);padding:54px 20px;border-radius:25px}.product-demo{margin:10px -5px 0}.channel-grid{grid-template-columns:1fr}.floating-note{display:none}.scene-grid{grid-template-columns:1fr}.scene-card{min-height:205px}.security-section{width:calc(100% - 28px);padding:54px 24px;grid-template-columns:1fr;gap:5px;border-radius:25px}.security-visual{min-height:270px;transform:scale(.68);margin:-55px 0}.security-copy{position:relative;z-index:3}.faq-section{grid-template-columns:1fr;gap:25px}.final-cta{min-height:430px;margin-bottom:55px;border-radius:25px}.final-cta>div{width:100%;max-width:330px;flex-direction:column}.final-cta .button{width:100%}.footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{align-items:flex-start;flex-direction:column;justify-content:center}}
@media(max-width:410px){.hero-copy h1{font-size:39px}.dialogue-card{width:165px}.person-you{left:10%}.person-other{right:10%}.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}}
@media(max-width:760px){.language-picker select{width:92px;padding-left:10px;color:#49627e}}

/* 新版品牌锁定图 */
.brand .brand-lockup{width:174px;height:auto;object-fit:contain}.footer-brand .brand-lockup{width:166px}.voice-core img{object-fit:contain}

/* 日常 AI 工具 */
.tools-section{padding-top:116px}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:50px}.tool-card{position:relative;min-height:285px;padding:26px 24px;display:flex;flex-direction:column;align-items:flex-start;background:linear-gradient(155deg,#fff,#f3f8ff);border:1px solid #dfebf8;border-radius:23px;overflow:hidden;transition:.25s}.tool-card:after{content:"";position:absolute;right:-32px;bottom:-44px;width:130px;height:130px;background:radial-gradient(circle,rgba(74,158,244,.16),transparent 68%)}.tool-card:hover{transform:translateY(-5px);border-color:#bdd9f8;box-shadow:var(--shadow)}.tool-icon{width:51px;height:51px;display:grid;place-items:center;color:#1263d4;background:#e7f2ff;border:1px solid #cfe4fb;border-radius:15px;font-size:20px;font-weight:850}.tool-card small{margin-top:35px;color:#5d88b8;font-size:9px;font-weight:800;letter-spacing:.08em}.tool-card h3{margin:9px 0 11px;font-size:18px}.tool-card p{margin:0;color:#70849b;font-size:11px;line-height:1.75}.tool-card b{margin-top:auto;padding-top:20px;color:#286fc1;font-size:9px;line-height:1.6}.tool-card-wide{grid-column:1/-1;min-height:220px;padding:30px 34px;display:grid;grid-template-columns:minmax(0,1fr) minmax(460px,1.2fr);align-items:center;gap:44px;background:linear-gradient(135deg,#eef7ff,#fff 58%,#edf5ff)}.tool-card-wide:after{width:270px;height:270px;right:-45px;bottom:-150px}.tool-card-copy{position:relative;z-index:1;display:grid;grid-template-columns:51px 1fr;column-gap:16px}.tool-card-copy .tool-icon{grid-row:1/5}.tool-card-copy small{margin-top:1px}.tool-card-copy h3{margin-top:8px}.tool-card-copy b{padding-top:14px}.system-audio-preview{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:12px}.system-audio-preview>span{min-height:104px;padding:17px 14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;background:rgba(255,255,255,.8);border:1px solid #d5e7fa;border-radius:18px;box-shadow:0 13px 32px rgba(55,115,187,.08)}.system-audio-preview i{width:34px;height:34px;display:grid;place-items:center;color:#1769df;background:#e7f2ff;border-radius:10px;font-size:14px;font-style:normal}.system-audio-preview b{margin:0;padding:0;color:#385b80;font-size:10px}.system-audio-preview em{color:#8ca9c8;font-size:18px;font-style:normal}

/* 套餐差异 */
.pricing-section{padding-top:105px}.plan-highlights{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:48px}.plan-highlights article{position:relative;min-height:135px;padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f7faff;border:1px solid #e0ebf7;border-radius:20px}.plan-highlights small{color:#58728e;font-size:11px;font-weight:800}.plan-highlights strong{margin:8px 0 3px;color:#145fcb;font-size:29px}.plan-highlights span{color:#8799ad;font-size:9px}.plan-highlights .featured{background:linear-gradient(155deg,#e8f3ff,#f8fbff);border-color:#9dc8fa;box-shadow:0 20px 48px rgba(32,101,188,.12)}.plan-highlights .featured>b{position:absolute;right:13px;top:12px;padding:5px 8px;color:#fff;background:#1769e0;border-radius:7px;font-size:8px}.comparison-shell{margin-top:17px;overflow-x:auto;background:#fff;border:1px solid #dfeaf6;border-radius:23px;box-shadow:0 22px 58px rgba(36,80,137,.08)}.plan-table{width:100%;min-width:760px;border-collapse:collapse;text-align:center}.plan-table th,.plan-table td{height:58px;padding:10px 15px;border-bottom:1px solid #e7eef7;font-size:11px}.plan-table thead th{height:64px;color:#42617f;background:#f2f7fd;font-size:10px}.plan-table th:first-child{text-align:left;padding-left:28px}.plan-table tbody th{color:#385673;font-weight:750}.plan-table td{color:#637b94}.plan-table tr:last-child th,.plan-table tr:last-child td{border-bottom:0}.plan-table .recommended-column{background:rgba(228,241,255,.52);color:#1262d2;font-weight:800}.pricing-note{max-width:850px;margin:22px auto 0;color:#71849a;font-size:10px;line-height:1.75;text-align:center}

@media(max-width:1120px){.tool-grid{grid-template-columns:1fr 1fr}.tool-card-wide{grid-template-columns:1fr;gap:28px}.scene-card-featured{grid-column:1/-1}.site-header nav{gap:16px}.site-header nav a{font-size:12px}.brand .brand-lockup{width:154px}}
@media(max-width:760px){.brand .brand-lockup{width:138px;height:auto}.footer-brand .brand-lockup{width:158px}.tool-grid{grid-template-columns:1fr}.tool-card{min-height:245px}.tool-card-wide{grid-column:auto;padding:26px 24px}.tool-card-copy{grid-template-columns:1fr}.tool-card-copy .tool-icon{grid-row:auto}.tool-card-copy small{margin-top:22px}.system-audio-preview{grid-template-columns:1fr}.system-audio-preview>span{min-height:80px}.system-audio-preview em{transform:rotate(90deg)}.scene-card-featured{grid-column:auto}.plan-highlights{grid-template-columns:1fr 1fr}.comparison-shell{margin-left:-8px;margin-right:-8px}.pricing-note{text-align:left}}
@media(max-width:410px){.plan-highlights{grid-template-columns:1fr}.brand .brand-lockup{width:128px}}

/* Windows 安装教程 */
.install-section{position:relative;width:min(1180px,calc(100% - 48px));margin:20px auto 0;padding:72px;display:grid;grid-template-columns:minmax(340px,.86fr) minmax(0,1.14fr);align-items:center;gap:58px;background:radial-gradient(circle at 8% 0,rgba(44,142,245,.16),transparent 35%),linear-gradient(145deg,#eef7ff,#fff 68%,#effaf8);border:1px solid #dceaf8;border-radius:34px;overflow:hidden;scroll-margin-top:108px}.install-section:after{content:"";position:absolute;right:-120px;bottom:-185px;width:430px;height:430px;background:radial-gradient(circle,rgba(32,240,192,.13),transparent 68%);pointer-events:none}.install-copy{position:relative;z-index:1}.install-copy h2{margin:18px 0 20px;font-size:clamp(38px,3.9vw,50px);line-height:1.18;letter-spacing:-.055em}.install-copy h2 em{color:var(--blue);font-style:normal}.install-copy>p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}.install-checklist{margin:27px 0 30px;padding:0;display:grid;gap:11px;list-style:none}.install-checklist li{min-height:51px;padding:10px 14px;display:grid;grid-template-columns:34px 1fr;align-items:center;gap:12px;background:rgba(255,255,255,.78);border:1px solid #dbe9f7;border-radius:14px}.install-checklist li span{width:34px;height:34px;display:grid;place-items:center;color:#1769e0;background:#e8f3ff;border-radius:10px;font-size:9px;font-weight:900}.install-checklist li strong{color:#345776;font-size:11px;line-height:1.5}.install-open{min-height:48px}.install-video-card{position:relative;z-index:1;min-width:0;padding:11px;background:radial-gradient(circle at 10% 0,rgba(48,137,235,.24),transparent 31%),linear-gradient(145deg,#102b4e,#07172c);border:1px solid rgba(70,132,202,.35);border-radius:27px;box-shadow:0 30px 70px rgba(12,51,98,.2);overflow:hidden}.install-video-topbar{height:39px;padding:0 9px 9px;display:flex;align-items:center;justify-content:space-between;color:rgba(255,255,255,.68)}.install-video-topbar span{display:flex;align-items:center;gap:8px;font-size:9px}.install-video-topbar i{width:7px;height:7px;background:#20f0c0;border-radius:50%;box-shadow:0 0 0 5px rgba(32,240,192,.1)}.install-video-topbar b{font-weight:700}.install-video-topbar small{font-size:8px;font-weight:800;letter-spacing:.14em}.install-video-container{position:relative;width:100%;aspect-ratio:16/9;background:#020914;border-radius:18px;overflow:hidden;contain:layout paint}.install-video{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;background:#020914}.install-tip{margin:10px 8px 2px;display:flex;align-items:center;gap:9px;color:rgba(255,255,255,.77);font-size:9px;line-height:1.55}.install-tip>span{flex:0 0 21px;width:21px;height:21px;display:grid;place-items:center;color:#071a38;background:#20f0c0;border-radius:7px;font-weight:900}.install-tip strong{font-weight:650}
@media(max-width:1050px){.install-section{padding:62px 48px;grid-template-columns:1fr;gap:38px}.install-copy{max-width:720px}.install-video-card{width:100%;max-width:850px;margin:auto}}
@media(max-width:760px){.install-section{width:calc(100% - 28px);margin-top:0;padding:48px 18px;gap:28px;border-radius:25px}.install-copy h2{font-size:38px}.install-copy>p{font-size:12px}.install-checklist{margin:24px 0 26px}.install-open{width:100%}.install-video-card{padding:7px;border-radius:20px}.install-video-topbar{height:34px;padding:0 7px 7px}.install-video-container{border-radius:14px}.install-tip{margin:10px 5px 3px;align-items:flex-start;font-size:8px}.install-tip>span{margin-top:1px}}

/* 下载入口与移动端访问提示 */
.button-mac{color:#0d5ec9;background:rgba(255,255,255,.9);border:1px solid #c7def6;box-shadow:0 12px 28px rgba(30,91,154,.1)}.button-mac:hover{background:#fff;border-color:#a9cef5;box-shadow:0 16px 34px rgba(30,91,154,.15)}.final-cta .button-mac{color:#fff;background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.52);box-shadow:none}.final-cta .button-mac:hover{background:rgba(255,255,255,.24);border-color:rgba(255,255,255,.72);box-shadow:none}
body.modal-open{overflow:hidden}.mobile-notice[hidden]{display:none}.mobile-notice{position:fixed;z-index:200;inset:0;padding:20px;display:grid;place-items:center}.mobile-notice-backdrop{position:absolute;inset:0;background:rgba(6,25,49,.62);backdrop-filter:blur(7px)}
.mobile-notice-dialog{position:relative;z-index:1;width:min(440px,100%);max-height:calc(100dvh - 40px);padding:34px;background:radial-gradient(circle at 100% 0,rgba(85,169,255,.16),transparent 34%),#fff;border:1px solid rgba(255,255,255,.8);border-radius:26px;box-shadow:0 32px 90px rgba(4,35,73,.3);overflow:auto;text-align:center;animation:mobile-notice-in .26s ease-out}.mobile-notice-close{position:absolute;right:16px;top:16px;width:36px;height:36px;display:grid;place-items:center;color:#6a7f96;background:#eef5fc;border-radius:11px;font-size:22px;line-height:1}.mobile-notice-close:hover{color:var(--blue);background:#e3f0ff}
.mobile-notice-icon{width:58px;height:58px;margin:2px auto 17px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--blue),var(--sky));border-radius:18px;box-shadow:0 16px 34px rgba(23,105,224,.24);font-size:25px;font-weight:800}.mobile-notice-kicker{display:block;color:#347cca;font-size:10px;font-weight:850;letter-spacing:.1em}.mobile-notice-dialog h2{margin:10px 0 12px;font-size:26px;line-height:1.3;letter-spacing:-.035em}.mobile-notice-dialog>p{margin:0;color:#667d96;font-size:13px;line-height:1.75}
.mobile-notice-url{margin-top:23px;padding:7px 7px 7px 14px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:9px;background:#f3f8fd;border:1px solid #dbe9f7;border-radius:14px;text-align:left}.mobile-notice-url>span{min-width:0;color:#315473;font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-notice-url button{min-height:40px;padding:0 16px;color:#fff;background:linear-gradient(135deg,var(--blue),#2f82f2);border-radius:10px;font-size:11px;font-weight:800;white-space:nowrap}.mobile-notice-url button:hover{background:linear-gradient(135deg,var(--deep),#2176df)}
.mobile-notice-later{margin-top:15px;padding:8px 14px;color:#75899f;background:transparent;font-size:11px;font-weight:700}.mobile-notice-later:hover{color:var(--blue)}
@keyframes mobile-notice-in{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:760px){.hero-actions{max-width:350px}.mobile-notice{align-items:end;padding:12px}.mobile-notice-dialog{width:100%;max-height:calc(100dvh - 24px);padding:31px 22px 25px;border-radius:24px}.mobile-notice-close{right:13px;top:13px}.mobile-notice-dialog h2{font-size:24px}.mobile-notice-dialog>p{font-size:12px}.mobile-notice-url{margin-top:20px}}
@media(max-width:380px){.mobile-notice-url{padding:9px;grid-template-columns:1fr}.mobile-notice-url>span{padding:3px 4px;text-align:center}.mobile-notice-url button{width:100%}}
@media(prefers-reduced-motion:reduce){.mobile-notice-dialog{animation:none}}
.toast{z-index:240}