:root{--navy:#071752;--navy-2:#0b287e;--blue:#256ed5;--orange:#ff913b;--ink:#102044;--muted:#5d6c88;--line:#dce5f1;--shell:1200px;--font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;overflow-x:clip}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
h1,h2,h3,p{margin-top:0}
.shell{width:min(calc(100% - 64px),var(--shell));margin-inline:auto}
.site-header{height:76px;background:var(--navy);color:#fff;border-bottom:1px solid rgba(255,255,255,.12)}
.header-inner{height:100%;display:flex;align-items:center;gap:32px}
.brand{display:inline-flex;align-items:center;white-space:nowrap;font-size:20px;font-weight:800;letter-spacing:-.04em}
.brand-ai{color:var(--orange);margin:0 2px}
.main-nav{display:flex;gap:28px;margin-left:auto}
.main-nav a{font-size:14px;color:#b9c9ec;transition:color .2s}
.main-nav a:hover{color:#fff}
.header-link{padding:10px 17px;border:1px solid rgba(255,255,255,.36);border-radius:999px;font-size:13px;font-weight:700;white-space:nowrap}
.header-link span{margin-left:8px;color:var(--orange)}
.hero{background:radial-gradient(circle at 78% 42%,rgba(36,105,224,.45),transparent 36%),linear-gradient(120deg,#06134b,#09277c 59%,#071954);color:#fff;overflow:hidden}
.hero-inner{min-height:660px;display:grid;grid-template-columns:1.03fr .97fr;gap:38px;align-items:center;padding-top:70px;padding-bottom:80px}
.hero-copy{position:relative;z-index:2}
.eyebrow{margin-bottom:24px;color:#a3c7ff;font-size:13px;letter-spacing:.18em;font-weight:700}
.hero h1{font-size:clamp(58px,5.9vw,91px);line-height:1.08;letter-spacing:-.075em;margin-bottom:28px;font-weight:900}
.hero h1 em{font-style:normal;color:var(--orange)}
.plus{color:#78d8f5;margin-left:10px;font-weight:400}
.hero-lead{font-size:24px;font-weight:700;margin-bottom:13px}
.hero-sub{font-size:16px;line-height:1.85;color:#c6d4f1;max-width:520px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.button{min-height:52px;padding:0 23px;display:inline-flex;align-items:center;justify-content:center;gap:20px;border-radius:8px;font-size:14px;font-weight:800;transition:transform .2s,background .2s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--orange);color:#162047}
.button-primary:hover{background:#ffa65f}
.button-quiet{border:1px solid rgba(255,255,255,.38);color:#fff}
.button-quiet:hover{background:rgba(255,255,255,.1)}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:44px}
.hero-tags span{padding:8px 12px;border:1px solid rgba(183,212,255,.25);border-radius:999px;background:rgba(255,255,255,.05);color:#bad0ef;font-size:12px}
.hero-visual{position:relative;height:460px;display:flex;align-items:center;justify-content:center}
.hero-halo{position:absolute;width:110%;height:90%;background:radial-gradient(ellipse at center,rgba(26,106,249,.48),transparent 67%);filter:blur(18px)}
.hero-frame{position:absolute;width:91%;aspect-ratio:16/9;border:1px solid rgba(166,218,255,.34);border-radius:18px;overflow:hidden;box-shadow:0 22px 70px rgba(0,0,0,.34);background:#06205b}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-frame-back{transform:translate(35px,-42px) rotate(8deg);opacity:.7}
.hero-frame-front{transform:translate(-17px,27px) rotate(-5deg)}
.hero-corner{position:absolute;right:0;bottom:25px;padding:12px 18px;border:1px solid rgba(255,255,255,.3);border-radius:8px;background:rgba(4,25,87,.86);font-size:23px;font-weight:800;box-shadow:0 15px 30px rgba(0,0,0,.24)}
.hero-corner span{font-size:11px;letter-spacing:.16em;color:var(--orange)}
.section{padding:108px 0}
.overview-section{background:#f6f9fd}
.section-label{display:flex;align-items:center;gap:12px;margin-bottom:34px;color:#3c658e;font-size:13px;font-weight:800;letter-spacing:.11em}
.section-label::before{content:"";width:25px;height:3px;border-radius:3px;background:var(--orange)}
.section-label-light{color:#9ebce7}
.section h2{font-size:clamp(40px,4.9vw,66px);line-height:1.17;letter-spacing:-.06em;font-weight:900;margin:0}
.section h2 em{font-style:normal;color:#1769cf}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:45px;margin-bottom:42px}
.section-heading p{max-width:440px;color:var(--muted);font-size:16px;line-height:1.85;margin:0 0 6px}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.service-card{min-height:240px;padding:30px 29px;border:1px solid #dce7f4;border-radius:17px;background:#fff;box-shadow:0 14px 36px rgba(27,65,118,.055)}
.service-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:#e9f2ff;color:#1769cf;font-size:13px;font-weight:900}
.service-card h3{font-size:24px;margin:30px 0 10px}
.service-card p{color:var(--muted);font-size:14px;line-height:1.8;margin:0}
.method-section{background:radial-gradient(circle at 92% 3%,rgba(46,115,231,.18),transparent 35%),#071853;color:#fff}
.method-heading h2 em{color:var(--orange)}
.method-heading p{color:#b4c7eb}
.steps{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid rgba(255,255,255,.24);border-bottom:1px solid rgba(255,255,255,.24)}
.step{min-height:205px;padding:25px 19px 26px;border-right:1px solid rgba(255,255,255,.16)}
.step:first-child{padding-left:0}
.step:last-child{border-right:0}
.step>span{font-size:14px;color:var(--orange);font-weight:900}
.step h3{font-size:20px;margin:42px 0 9px}
.step p{color:#a9bee4;font-size:13px;line-height:1.7;margin:0}
.method-closer{margin:35px 0 0;color:#c5d5f1;font-size:16px;font-weight:700}
.scene-section{background:#fff}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.scene-card{position:relative;min-height:300px;overflow:hidden;border-radius:17px;background:#0b276f;box-shadow:0 15px 35px rgba(15,45,94,.13)}
.scene-card img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;transition:transform .3s}
.scene-card:hover img{transform:scale(1.04)}
.scene-overlay{position:absolute;inset:auto 0 0;padding:47px 24px 24px;background:linear-gradient(transparent,rgba(1,16,54,.95));color:#fff}
.scene-overlay small{display:block;color:#ffbd80;font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:8px}
.scene-overlay strong{display:block;font-size:20px;line-height:1.35}
.results-section{background:linear-gradient(120deg,#071752,#0d2d82 70%,#0a225f);color:#fff}
.results-heading h2{color:#fff}
.results-heading p{color:#b4c7e8}
.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.result-card{min-height:268px;padding:25px;border:1px solid rgba(180,212,255,.26);border-radius:14px;background:rgba(255,255,255,.06)}
.result-label{color:#a9c2ed;font-size:13px;font-weight:700}
.result-card strong{display:block;color:var(--orange);font-size:clamp(37px,4vw,56px);letter-spacing:-.06em;line-height:1.15;margin-top:36px}
.result-card strong small{font-size:17px;letter-spacing:0;margin-left:4px}
.result-card p{color:#d0dbf1;font-size:14px;line-height:1.7;margin:15px 0 0}
.results-note{color:#9db5de;font-size:12px;line-height:1.7;margin:24px 0 0}
.site-footer{background:#061440;color:#afc0e2;padding:34px 0}
.footer-inner{display:flex;align-items:center;gap:30px}
.footer-brand{color:#fff;font-size:18px}
.footer-inner p{font-size:13px;margin:0 auto 0 0}
.footer-inner>a{font-size:13px;color:#fff;font-weight:800;white-space:nowrap}
:focus-visible{outline:3px solid #ffad68;outline-offset:3px}
@media(max-width:1000px){.header-inner{gap:18px}.main-nav{gap:15px}.hero-inner{min-height:590px;gap:10px}.hero h1{font-size:clamp(53px,6.4vw,72px)}.hero-visual{height:370px}.service-grid{gap:10px}.service-card{padding:24px}.step{padding:22px 12px}.step h3{font-size:17px}.scene-card{min-height:255px}.result-grid{grid-template-columns:repeat(2,1fr)}.result-card{min-height:220px}}
@media(max-width:760px){.shell{width:min(calc(100% - 38px),var(--shell))}.site-header{height:66px}.brand{font-size:18px}.main-nav{display:none}.header-link{margin-left:auto;font-size:12px;padding:9px 12px}.header-link span{margin-left:3px}.hero-inner{display:flex;flex-direction:column;align-items:stretch;min-height:0;padding-top:56px;padding-bottom:37px;gap:15px}.eyebrow{font-size:11px;margin-bottom:17px}.hero h1{font-size:clamp(43px,11.5vw,65px);margin-bottom:22px}.hero-lead{font-size:20px}.hero-sub{font-size:14px;line-height:1.78;margin-bottom:27px}.hero-actions{gap:8px}.button{min-height:46px;padding:0 14px;font-size:12px;gap:9px}.hero-tags{margin-top:30px;gap:6px}.hero-tags span{font-size:11px;padding:7px 9px}.hero-visual{height:265px;margin-top:1px}.hero-frame{width:85%;border-radius:12px}.hero-frame-back{transform:translate(22px,-17px) rotate(7deg)}.hero-frame-front{transform:translate(-14px,17px) rotate(-5deg)}.hero-corner{right:5px;bottom:18px;padding:7px 10px;font-size:17px}.hero-corner span{font-size:8px}.section{padding:72px 0}.section-label{font-size:11px;margin-bottom:27px}.section h2{font-size:clamp(36px,9vw,49px)}.section-heading{display:block;margin-bottom:30px}.section-heading p{font-size:14px;line-height:1.8;margin:19px 0 0}.service-grid{grid-template-columns:1fr;gap:11px}.service-card{min-height:0;padding:22px 22px 23px}.service-card h3{font-size:19px;margin:15px 0 7px}.service-card p{font-size:14px}.steps{display:block}.step,.step:first-child{min-height:0;padding:18px 0;display:grid;grid-template-columns:38px 1fr;gap:13px;border-right:0;border-bottom:1px solid rgba(255,255,255,.17)}.step:last-child{border-bottom:0}.step>span{padding-top:4px}.step h3{font-size:18px;margin:0 0 5px}.step p{font-size:13px}.method-closer{font-size:14px;line-height:1.7;margin-top:24px}.scene-grid{grid-template-columns:1fr;gap:13px}.scene-card{height:240px;min-height:0}.scene-overlay{padding:44px 19px 19px}.scene-overlay strong{font-size:18px}.result-grid{grid-template-columns:1fr;gap:10px}.result-card{min-height:0;padding:22px}.result-card strong{font-size:46px;margin-top:17px}.result-card p{font-size:14px;margin-top:5px}.results-note{font-size:11px}.footer-inner{flex-wrap:wrap;gap:11px}.footer-inner p{order:3;width:100%;font-size:12px}}
@media(max-width:360px){.hero h1{font-size:41px}.button{font-size:11px;padding:0 11px}.hero-tags span{font-size:10px}.hero-visual{height:225px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
.hero-visual{height:auto;min-width:0;padding:12px;display:block;background:rgba(255,255,255,.06);border:1px solid rgba(183,212,255,.26);border-radius:20px;box-shadow:0 22px 70px rgba(0,0,0,.2)}
.hero-visual>img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;border-radius:11px}
.scene-card,.scene-card:hover{height:auto;min-height:0;display:flex;flex-direction:column;background:#fff}
.scene-card img{position:static;inset:auto;width:100%;height:auto;aspect-ratio:auto;object-fit:contain;transform:none}
.scene-card:hover img{transform:none}
.scene-copy{padding:18px 20px 22px;background:#fff}
.scene-copy small{display:block;color:#1769cf;font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:7px}
.scene-copy strong{display:block;color:#102044;font-size:18px;line-height:1.4}
@media(max-width:760px){.hero-visual{height:auto;margin-top:4px;padding:7px;border-radius:14px}.hero-visual>img{border-radius:8px}.scene-card{height:auto}.scene-copy{padding:16px 18px 19px}.scene-copy strong{font-size:17px}}
.video-showcase{display:grid;grid-template-columns:minmax(330px,.9fr) minmax(300px,1.1fr);gap:30px;align-items:start;padding:30px;border:1px solid #dce7f4;border-radius:22px;background:#f6f9fd}
.video-stage{display:flex;flex-direction:column;align-items:center;min-width:0}
.video-screen{position:relative;width:min(100%,300px);aspect-ratio:9/16;background:#071752;border-radius:22px;overflow:hidden;box-shadow:0 20px 48px rgba(7,23,82,.25)}
.video-screen video{display:block;width:100%;height:100%;object-fit:contain;background:#071752}
.video-play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:64px;height:64px;border:1px solid rgba(255,255,255,.85);border-radius:50%;background:rgba(6,19,75,.76);color:#fff;font-size:26px;box-shadow:0 10px 30px rgba(0,0,0,.25);cursor:pointer}
.video-play-button span{margin-left:4px}
.video-screen.playing .video-play-button{display:none}
.video-caption{width:min(100%,330px);padding:20px 4px 0;text-align:center}
.video-caption>span{color:#1769cf;font-size:12px;font-weight:800;letter-spacing:.08em}
.video-caption h3{font-size:25px;margin:7px 0 8px}
.video-caption p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}
.video-choice-list{display:grid;gap:10px}
.video-choice{display:grid;grid-template-columns:54px 1fr 34px;align-items:center;gap:17px;width:100%;min-height:112px;padding:8px 16px 8px 8px;border:1px solid #dce7f4;border-radius:14px;background:#fff;color:var(--ink);text-align:left;cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .2s}
.video-choice:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(27,65,118,.09)}
.video-choice.active{border-color:#1769cf;box-shadow:0 0 0 2px rgba(23,105,207,.12)}
.video-choice img{width:54px;height:96px;object-fit:contain;border-radius:8px;background:#071752}
.video-choice small{display:block;color:#5781b4;font-size:11px;font-weight:800;margin-bottom:8px}
.video-choice strong{display:block;font-size:17px;line-height:1.35}
.choice-play{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#edf4ff;color:#1769cf;font-size:12px}
@media(max-width:760px){.video-showcase{display:flex;flex-direction:column;gap:14px;padding:0;border:0;border-radius:0;background:transparent}.video-choice-list{order:-1;display:flex;width:100%;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;padding:2px 2px 9px;scrollbar-width:thin}.video-choice{flex:0 0 160px;min-height:82px;grid-template-columns:38px 1fr;gap:8px;padding:7px;scroll-snap-align:start}.video-choice img{width:38px;height:67px;border-radius:6px}.video-choice small{font-size:10px;margin-bottom:4px}.video-choice strong{font-size:13px}.choice-play{display:none}.video-stage{width:100%;padding:17px 12px 20px;border:1px solid #dce7f4;border-radius:18px;background:#f6f9fd}.video-screen{width:min(100%,300px);border-radius:18px}.video-caption{padding-top:16px}.video-caption h3{font-size:21px}.video-caption p{font-size:13px}}