/* roulang page: index */
:root{--berry:#54205f;--berry-2:#713675;--coral:#f28b76;--pink:#e7558c;--mint:#b9e5d5;--cream:#fffaf5;--paper:#f7f0ee;--ink:#29222d;--muted:#786d7d;--line:#eadfe5;--white:#fff;--shadow:0 18px 50px rgba(73,35,82,.10);--soft:0 8px 25px rgba(73,35,82,.08);--radius:24px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:15px}a{color:inherit;text-decoration:none}img{display:block;width:100%;height:auto}button{font:inherit;border:0;cursor:pointer}a,button{transition:all .22s ease}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #f3a07e;outline-offset:4px}.container{width:min(1240px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.94);border-bottom:1px solid transparent}.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 25px rgba(60,30,70,.06)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;min-width:max-content}.logo-box{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--coral),var(--pink),var(--berry));display:grid;place-items:center;color:#fff;font-size:18px;font-weight:800;box-shadow:0 8px 18px rgba(202,70,128,.22)}.brand-name{font-size:18px;font-weight:800;letter-spacing:.2px}.nav-links{display:flex;align-items:center;gap:25px}.nav-links a{font-size:14px;color:#625767;position:relative;padding:27px 0}.nav-links a:hover,.nav-links a.active{color:var(--berry);font-weight:700}.nav-links a.active:after{content:"";height:3px;width:22px;border-radius:3px;background:linear-gradient(90deg,var(--coral),var(--pink));position:absolute;bottom:17px;left:50%;transform:translateX(-50%)}.nav-cta,.btn-primary{background:linear-gradient(110deg,var(--berry),var(--pink));color:#fff;border-radius:13px;padding:12px 19px;font-weight:700;box-shadow:0 9px 20px rgba(113,54,117,.18)}.nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(113,54,117,.27)}.menu-btn{display:none;background:var(--paper);color:var(--berry);width:44px;height:44px;border-radius:12px;font-size:21px}.hero{padding:42px 0 76px}.hero-inner{min-height:490px;border-radius:34px;padding:62px 7%;position:relative;overflow:hidden;background:linear-gradient(115deg,#4d205b 0%,#71356e 48%,#dc7081 100%);color:#fff;display:flex;align-items:center}.hero-inner:before,.hero-inner:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.2);border-radius:50%}.hero-inner:before{width:480px;height:480px;right:-130px;top:-180px}.hero-inner:after{width:300px;height:300px;right:230px;bottom:-220px}.hero-copy{position:relative;z-index:2;max-width:650px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffe4d5;font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:18px}.eyebrow:before{content:"";width:26px;height:3px;border-radius:5px;background:var(--coral)}h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-2px;margin-bottom:20px}h1 em{font-style:normal;color:#ffd4a9}.hero-copy p{font-size:16px;line-height:1.9;color:#fceff1;max-width:630px}.hero-actions{display:flex;gap:13px;margin-top:29px;flex-wrap:wrap}.btn-light,.btn-ghost{padding:12px 19px;border-radius:13px;font-weight:700}.btn-light{background:#fff;color:var(--berry)}.btn-ghost{border:1px solid rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.08)}.btn-light:hover,.btn-ghost:hover{transform:translateY(-2px)}.hero-stamp{position:absolute;right:8%;bottom:45px;z-index:2;display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.hero-stamp span,.badge{display:inline-flex;align-items:center;border-radius:99px;padding:5px 10px;font-size:12px;font-weight:700}.hero-stamp span{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24)}section{padding:78px 0}.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:30px}.section-head h2{font-size:clamp(25px,3vw,35px);line-height:1.25;letter-spacing:-.8px}.section-head p{max-width:570px;color:var(--muted);font-size:15px}.section-kicker{color:var(--pink);font-size:12px;font-weight:800;letter-spacing:1.5px;margin-bottom:8px;text-transform:uppercase}.needs{background:#f8f0f0}.need-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.need-item{padding:24px;background:#fff;border:1px solid var(--line);border-radius:20px;min-height:165px}.need-icon{width:38px;height:38px;border-radius:12px;background:#fce3e0;color:var(--berry);display:grid;place-items:center;font-weight:800;margin-bottom:15px}.need-item h3{font-size:17px;margin-bottom:6px}.need-item p{color:var(--muted);font-size:13px;line-height:1.7}.mini-tag{display:inline-block;margin-top:11px;padding:3px 8px;border-radius:20px;background:#e7f6f0;color:#28705d;font-size:11px;font-weight:700}.solution{background:var(--cream)}.solution-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:70px;align-items:center}.solution-copy h2{font-size:34px;line-height:1.35;margin-bottom:18px}.solution-copy p{color:var(--muted);font-size:15px}.path-list{border-left:2px solid #e6b7c3;padding-left:29px}.path{position:relative;padding:17px 20px;margin:10px 0;border:1px solid var(--line);background:#fff;border-radius:17px}.path:before{content:"";position:absolute;left:-42px;top:24px;width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,var(--coral),var(--pink));border:5px solid var(--cream)}.path strong{display:block;font-size:17px}.path span{color:var(--muted);font-size:13px}.steps{background:#f8f0f0}.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{padding:22px 25px;border-top:2px solid #e4cbd3;position:relative}.step:not(:last-child):after{content:"→";position:absolute;right:-8px;top:-18px;color:var(--pink);font-size:24px;background:#f8f0f0;padding:0 5px}.step-num{font-size:30px;color:var(--pink);font-weight:800;line-height:1;margin-bottom:13px}.step h3{font-size:17px;margin-bottom:6px}.step p{font-size:13px;color:var(--muted)}.content-section{background:var(--cream)}.content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.content-card,.feature-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--soft);transition:.25s}.content-card:hover,.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#ddd}.thumb img{height:100%;object-fit:cover;transition:transform .35s}.content-card:hover img,.feature-card:hover img{transform:scale(1.05)}.play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(55,20,65,0);color:#fff;font-size:0;transition:.25s}.play:after{content:"▶";width:43px;height:43px;display:grid;place-items:center;border-radius:50%;background:var(--pink);font-size:15px;opacity:0;transform:translateY(8px);transition:.25s}.content-card:hover .play{background:rgba(55,20,65,.22)}.content-card:hover .play:after{opacity:1;transform:none}.card-body{padding:15px 16px 17px}.card-body h3{font-size:16px;line-height:1.45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:10px}.meta{display:flex;align-items:center;justify-content:space-between;gap:8px}.badge{font-size:11px;padding:4px 8px;background:#e5f6ef;color:#27715e}.badge.pink{background:#fde4e5;color:#a83e65}.badge.gold{background:#fff0cf;color:#8b641d}.rating{font-size:12px;color:#744e7d;font-weight:800}.more-link{color:var(--berry);font-weight:700;font-size:14px;border-bottom:1px solid #d8b6cc}.popular{background:#fff}.feature-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:18px}.feature-card:first-child{grid-row:span 2}.feature-card:first-child .thumb{aspect-ratio:1/1.12}.feature-card:not(:first-child) .thumb{aspect-ratio:16/9}.feature-card .card-body h3{white-space:normal}.category-section{background:var(--paper)}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.category{padding:23px 20px;min-height:185px;border-radius:21px;background:#fff;border:1px solid var(--line);position:relative;overflow:hidden}.category:after{content:"";position:absolute;width:80px;height:80px;border-radius:50%;right:-25px;bottom:-25px;background:var(--tone,#f6d5d0);opacity:.65}.category h3{font-size:18px;margin-bottom:10px}.category p{font-size:13px;color:var(--muted);line-height:1.75;position:relative;z-index:1}.category .badge{margin-top:15px;position:relative;z-index:1;background:#f7e6ef;color:var(--berry)}.ranking{background:var(--cream)}.rank-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.rank-list{background:#fff;border:1px solid var(--line);border-radius:22px;padding:8px 18px}.rank-row{display:grid;grid-template-columns:37px 1fr auto auto;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid #f0e8eb}.rank-row:last-child{border-bottom:0}.rank-num{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:#f2eaf1;color:var(--berry);font-weight:800;font-size:13px}.rank-row:nth-child(-n+3) .rank-num{background:linear-gradient(135deg,var(--coral),var(--pink));color:#fff}.rank-title{font-weight:700;font-size:14px}.rank-type{font-size:11px;color:var(--muted);background:#f6f0f3;padding:4px 7px;border-radius:8px}.stats{background:linear-gradient(115deg,#4b2058,#793d77);color:#fff}.stats .section-kicker{color:#ffc5ae}.stats .section-head p{color:#e7d6e8}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{padding:26px;border:1px solid rgba(255,255,255,.18);border-radius:20px;background:rgba(255,255,255,.08)}.stat strong{font-size:38px;line-height:1;color:#ffd0a8;display:block}.stat strong small{font-size:16px;color:#fff}.stat b{display:block;margin:12px 0 4px}.stat span{font-size:12px;color:#dfcfe2}.feedback{background:#f8f0f0}.feedback-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.quote{padding:24px;background:#fff;border:1px solid var(--line);border-radius:21px;min-height:170px}.quote p{font-size:15px;line-height:1.8;margin-bottom:17px}.quote footer{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}.avatar{width:31px;height:31px;border-radius:50%;display:inline-grid;place-items:center;background:#efd2db;color:var(--berry);font-weight:800;margin-right:7px}.scenes{background:var(--cream)}.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.scene{padding:25px;border-radius:22px;background:#fff;border:1px solid var(--line)}.scene h3{font-size:17px;margin-bottom:8px}.scene p{color:var(--muted);font-size:13px;margin-bottom:16px}.scene a{color:var(--berry);font-weight:700;font-size:13px}.news{background:#f8f0f0}.news-layout{display:grid;grid-template-columns:1.05fr 1.2fr;gap:20px}.news-main,.news-list{background:#fff;border:1px solid var(--line);border-radius:23px;overflow:hidden}.news-main img{aspect-ratio:16/9;object-fit:cover}.news-main .news-copy{padding:20px}.news-copy h3{font-size:21px;line-height:1.4;margin:8px 0}.news-copy p{color:var(--muted);font-size:13px}.news-item{display:grid;grid-template-columns:105px 1fr;gap:15px;padding:15px 18px;border-bottom:1px solid #f0e8eb}.news-item:last-child{border-bottom:0}.news-item img{height:75px;object-fit:cover;border-radius:12px}.news-item h3{font-size:14px;line-height:1.5;margin:3px 0}.news-item small{color:#998d9b;font-size:11px}.info-panel{background:var(--cream)}.info-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:22px}.timeline,.info-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px}.timeline-item{display:flex;gap:16px;padding:10px 0}.timeline-dot{width:12px;height:12px;border-radius:50%;background:var(--pink);margin-top:8px;flex:none;box-shadow:0 0 0 5px #fce3e8}.timeline-item strong{display:block;font-size:15px}.timeline-item span{color:var(--muted);font-size:13px}.info-box h3{font-size:19px;margin-bottom:15px}.info-line{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid #f0e8eb;font-size:13px}.info-line:last-child{border:0}.info-line b{color:var(--berry)}.faq{background:#f8f0f0}.faq-list{max-width:850px;margin:auto}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;margin:10px 0;padding:0 20px}.faq details[open]{border-color:#d59ab5;box-shadow:var(--soft)}.faq summary{padding:19px 0;cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"＋";color:var(--pink);font-size:21px}.faq details[open] summary:after{content:"－"}.faq details p{color:var(--muted);font-size:14px;padding:0 0 19px;line-height:1.8}.final-cta{padding:78px 0}.cta-box{border-radius:30px;padding:48px 7%;background:linear-gradient(110deg,#4d205b,#c95182);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px;overflow:hidden;position:relative}.cta-box:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(255,255,255,.17);border-radius:50%;right:-80px;top:-130px}.cta-box h2{font-size:32px;line-height:1.35;margin-bottom:10px}.cta-box p{color:#f9e9ed;max-width:620px}.cta-box .btn-light{position:relative;z-index:1;white-space:nowrap}.site-footer{background:#32183f;color:#e9dce9;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}.footer-brand p{font-size:13px;color:#bba8bf;max-width:280px;margin-top:16px}.footer-title{font-weight:700;color:#fff;margin-bottom:15px}.footer-links{display:grid;gap:9px}.footer-links a{color:#bba8bf;font-size:13px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.13);padding-top:19px;color:#a892ad;font-size:12px;display:flex;justify-content:space-between}.copyright a{color:#d6b3d4}
@media(max-width:1050px){.nav-links{gap:14px}.nav-links a{font-size:13px}.content-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}.feature-grid{grid-template-columns:1fr 1fr}.feature-card:first-child{grid-row:auto}.feature-card:first-child .thumb{aspect-ratio:16/9}.need-grid,.feedback-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,620px)}.nav-wrap{height:68px}.nav-cta{display:none}.menu-btn{display:block}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:8px;flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{padding:13px 15px;border-radius:10px}.nav-links a.active:after{display:none}.nav-links a:hover{background:#faf0f3}.hero{padding:24px 0 45px}.hero-inner{min-height:570px;padding:40px 25px;align-items:flex-start}.hero-stamp{left:25px;right:25px;bottom:35px;justify-content:flex-start}.hero-copy p{font-size:15px}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:10px}.solution-layout,.info-layout,.news-layout{grid-template-columns:1fr;gap:25px}.step-grid{grid-template-columns:1fr 1fr}.step{border-top:0;border-left:2px solid #e4cbd3}.step:not(:last-child):after{right:-13px;top:35px}.content-grid{grid-template-columns:repeat(2,1fr);gap:12px}.card-body{padding:12px}.card-body h3{font-size:14px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card:first-child{grid-column:span 2}.rank-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}.scene-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}}
@media(max-width:480px){h1{font-size:34px}.brand-name{font-size:16px}.hero-inner{border-radius:24px}.need-grid,.category-grid,.feedback-grid,.scene-grid{grid-template-columns:1fr}.content-grid{grid-template-columns:1fr 1fr}.content-card .thumb{aspect-ratio:1/1}.feature-grid{grid-template-columns:1fr}.feature-card:first-child{grid-column:auto}.step-grid{grid-template-columns:1fr}.step{padding-left:20px}.step:not(:last-child):after{display:none}.rank-row{grid-template-columns:30px 1fr auto}.rank-type{display:none}.stat strong{font-size:30px}.cta-box{display:block;padding:35px 25px}.cta-box h2{font-size:26px}.cta-box .btn-light{display:inline-block;margin-top:22px}.footer-grid{grid-template-columns:1fr}.section-head h2{font-size:26px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}