:root{--bg:#fafafa;--surface:#fff;--warm:#f5f5f5;--purple:#7b61ff;--purple-dark:#6246ea;--purple-soft:#ede9fe;--green:#18866e;--green-soft:#e8f6f0;--orange:#bd6e23;--orange-soft:#fff2df;--blue:#3979b8;--blue-soft:#eaf3fb;--text:#2f2d35;--secondary:#6c6974;--muted:#9a97a1;--line:#e7e5eb;--display:Georgia,'Songti SC',STSong,SimSun,serif;--body:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',Arial,sans-serif;--shadow:0 14px 36px rgba(50,42,90,.09)}
*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 var(--body);-webkit-font-smoothing:antialiased}a{color:var(--purple-dark);text-decoration:none}a:hover{color:var(--purple)}button,input,select{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.content-container{width:min(1160px,calc(100% - 48px));margin:0 auto}
.content-header{position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(231,229,235,.9);background:rgba(255,255,255,.92);backdrop-filter:blur(18px)}.content-header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:24px}.content-logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:750;letter-spacing:.02em}.content-logo:hover{color:var(--text)}.content-logo-mark{display:grid;width:36px;height:36px;place-items:center;border-radius:10px;color:#fff;background:linear-gradient(135deg,var(--purple),var(--purple-dark));font:800 18px var(--display);box-shadow:0 5px 18px rgba(123,97,255,.22)}.content-nav{display:flex;align-items:center;gap:3px}.content-nav a{padding:8px 13px;border-radius:8px;color:var(--secondary);font-size:.9rem}.content-nav a:hover,.content-nav a[aria-current=page]{color:var(--purple-dark);background:var(--purple-soft)}.content-header-actions{display:flex;align-items:center;gap:9px}.header-tool-link,.solid-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:38px;padding:0 16px;border-radius:8px;color:#fff;background:var(--purple-dark);font-size:.86rem;font-weight:700;transition:.18s ease}.header-tool-link:hover,.solid-button:hover{color:#fff;background:var(--purple);transform:translateY(-1px)}.content-nav-toggle{display:none;width:38px;height:38px;padding:0;border:1px solid var(--line);border-radius:8px;color:var(--secondary);background:var(--surface)}
.content-hero{padding:74px 0 78px;border-bottom:1px solid #efedf2;background:linear-gradient(180deg,#fff 0%,#fbfaff 100%)}.hero-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);align-items:center;gap:72px}.hero-copy{max-width:670px}.eyebrow,.section-kicker{color:var(--purple-dark);font-size:.73rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.content-hero h1{max-width:690px;margin:12px 0 16px;color:var(--text);font:700 clamp(2.4rem,5vw,4.15rem)/1.12 var(--display);letter-spacing:-.02em}.hero-lede{max-width:600px;color:var(--secondary);font-size:1.06rem}.content-search{display:flex;align-items:center;gap:11px;max-width:610px;min-height:55px;margin-top:30px;padding:7px 8px 7px 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:0 5px 18px rgba(44,38,65,.06)}.content-search>svg{flex:0 0 auto;color:var(--muted)}.content-search input{width:100%;min-width:0;border:0;outline:0;color:var(--text);background:transparent}.content-search input::placeholder{color:#a9a6ae}.content-search button{flex:0 0 auto;min-height:39px;padding:0 17px;border:0;border-radius:7px;color:#fff;background:var(--purple-dark);font-size:.87rem;font-weight:700}.hero-hot-search{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:15px;color:var(--muted);font-size:.78rem}.hero-hot-search button{padding:0;border:0;color:var(--secondary);background:transparent}.hero-hot-search button:hover{color:var(--purple-dark)}.hero-visual{position:relative;min-height:352px;padding:27px 28px 25px;overflow:hidden;border:1px solid #ded9f2;border-radius:16px;background:#f2efff;box-shadow:22px 25px 0 rgba(123,97,255,.07)}.hero-visual:before,.hero-visual:after{position:absolute;border-radius:50%;content:'';pointer-events:none}.hero-visual:before{top:-72px;right:-48px;width:190px;height:190px;background:rgba(123,97,255,.12)}.hero-visual:after{bottom:-94px;left:-45px;width:190px;height:190px;background:rgba(255,255,255,.52)}.hero-visual-top,.hero-visual-title,.hero-progress,.hero-visual-list,.hero-visual-link{position:relative;z-index:1}.hero-visual-top{display:flex;align-items:center;gap:7px;color:var(--purple-dark);font-size:.75rem;font-weight:700}.status-dot{width:7px;height:7px;border-radius:50%;background:#2ca574;box-shadow:0 0 0 4px rgba(44,165,116,.13)}.hero-visual-date{margin-left:auto;color:#9b90c8;font-size:.72rem;font-weight:500}.hero-visual-title{margin-top:62px;color:var(--text);font:700 1.78rem/1.25 var(--display)}.hero-progress{height:6px;margin-top:22px;overflow:hidden;border-radius:99px;background:rgba(123,97,255,.15)}.hero-progress span{display:block;width:76%;height:100%;border-radius:inherit;background:var(--purple-dark)}.hero-visual-list{display:grid;gap:13px;margin-top:24px}.hero-visual-list div{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:9px;color:var(--secondary);font-size:.84rem}.visual-index{color:var(--purple-dark);font:700 .75rem var(--body)}.hero-visual-list strong{color:var(--green);font-size:.72rem}.hero-visual-link{display:inline-flex;gap:7px;margin-top:21px;color:var(--purple-dark);font-size:.82rem;font-weight:750}
.topic-strip{border-bottom:1px solid var(--line);background:var(--surface)}.topic-strip-inner{display:flex;align-items:center;gap:27px;min-height:65px;overflow-x:auto;white-space:nowrap}.topic-label{color:var(--muted);font-size:.78rem}.topic-strip a{color:var(--secondary);font-size:.82rem}.topic-strip a:hover{color:var(--purple-dark)}
.content-main{padding:78px 0 92px}.section-heading-row{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-heading-row h2,.video-guide-copy h2,.secondary-column h2,.popular-panel h2,.product-note-layout h2,.faq-layout h2,.content-cta h2{margin-top:7px;color:var(--text);font:700 clamp(1.65rem,3vw,2.2rem)/1.2 var(--display);letter-spacing:-.015em}.section-description{margin-top:8px;color:var(--secondary);font-size:.92rem}.content-controls{display:flex;align-items:center;gap:14px}.sort-control{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:.78rem}.sort-control select{padding:7px 28px 7px 8px;border:1px solid var(--line);border-radius:7px;color:var(--secondary);background:var(--surface);font-size:.78rem}.result-count{color:var(--muted);font-size:.78rem}.featured-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.featured-card,.content-card{overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 1px 2px rgba(32,28,50,.02);transition:transform .2s ease,box-shadow .2s ease}.featured-card:hover,.content-card:hover{transform:translateY(-3px);box-shadow:0 5px 18px rgba(44,38,65,.06)}.featured-card-media,.content-card-cover-wrap{position:relative;display:block;overflow:hidden;background:var(--warm)}.featured-card-media img{width:100%;height:294px;object-fit:cover}.featured-card-media:after,.content-card-cover-wrap:after{position:absolute;right:0;bottom:0;left:0;height:38%;background:linear-gradient(transparent,rgba(27,23,38,.3));content:'';pointer-events:none}.media-label{position:absolute;top:14px;left:14px;z-index:1;padding:5px 9px;border:1px solid rgba(255,255,255,.35);border-radius:5px;color:#fff;background:rgba(40,32,60,.47);font-size:.72rem;font-weight:700}.featured-card-body{padding:22px 24px 24px}.content-meta{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:.74rem}.content-meta time{margin-left:auto}.content-tag{padding:3px 8px;border-radius:4px;color:var(--purple-dark);background:var(--purple-soft);font-size:.71rem;font-weight:700}.featured-card h3{margin-top:14px;font:700 1.45rem/1.38 var(--display)}.featured-card-secondary h3{font-size:1.3rem}.featured-card h3 a,.content-card h3 a{color:var(--text)}.featured-card h3 a:hover,.content-card h3 a:hover{color:var(--purple-dark)}.featured-card-body>p{margin-top:9px;color:var(--secondary);font-size:.9rem}.read-link,.text-link{display:inline-flex;align-items:center;gap:7px;margin-top:16px;border:0;color:var(--purple-dark);background:transparent;font-size:.8rem;font-weight:750}.read-link:hover,.text-link:hover{gap:10px}.content-toolbar-row{display:flex;align-items:center;justify-content:space-between;margin:52px 0 22px;border-bottom:1px solid var(--line)}.filter-tabs{display:flex;gap:5px;overflow-x:auto}.filter-tabs button{position:relative;padding:9px 13px 13px;border:0;color:var(--muted);background:transparent;font-size:.82rem;white-space:nowrap}.filter-tabs button:after{position:absolute;right:12px;bottom:-1px;left:12px;height:2px;border-radius:99px;background:transparent;content:''}.filter-tabs button:hover,.filter-tabs button[aria-selected=true]{color:var(--purple-dark)}.filter-tabs button[aria-selected=true]{font-weight:750}.filter-tabs button[aria-selected=true]:after{background:var(--purple-dark)}.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.content-card-cover{width:100%;aspect-ratio:16/9;object-fit:cover}.content-card-body{padding:17px 18px 19px}.content-card h3{margin-top:11px;font:700 1.08rem/1.45 var(--display)}.content-card-body>p{display:-webkit-box;overflow:hidden;margin-top:8px;color:var(--secondary);font-size:.84rem;-webkit-box-orient:vertical;-webkit-line-clamp:2}.empty-state{padding:40px 0;color:var(--muted);text-align:center}.load-more-wrap{display:flex;justify-content:center;margin-top:31px}.load-more-button{display:inline-flex;align-items:center;gap:9px;min-height:42px;padding:0 17px;border:1px solid #d8d1fa;border-radius:8px;color:var(--purple-dark);background:var(--surface);font-size:.84rem;font-weight:700}.load-more-button:hover{background:var(--purple-soft)}
.video-guide-band{padding:72px 0;color:#fff;background:#272332}.video-guide-layout{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:75px}.video-guide-copy .section-kicker{color:#c7bdf8}.video-guide-copy h2{color:#fff}.video-guide-copy>p:not(.section-kicker){max-width:480px;margin-top:14px;color:#c6c2ce;font-size:.94rem}.outline-button{display:inline-flex;align-items:center;gap:9px;min-height:42px;margin-top:22px;padding:0 15px;border:1px solid #74649d;border-radius:8px;color:#fff;background:transparent;font-size:.83rem;font-weight:700}.outline-button:hover{color:#fff;background:rgba(255,255,255,.07)}.video-guide-preview{position:relative;min-height:240px;overflow:hidden;border:1px solid #514765;border-radius:13px;background:linear-gradient(132deg,#43395d,#312a43);box-shadow:0 18px 46px rgba(0,0,0,.18)}.video-guide-preview:after{position:absolute;right:-7%;bottom:-38%;width:70%;height:86%;border-radius:50%;background:rgba(123,97,255,.22);content:''}.video-window-bar{display:flex;align-items:center;gap:6px;min-height:35px;padding:0 15px;border-bottom:1px solid rgba(255,255,255,.1);color:#c3bbd4;font-size:.7rem}.video-window-bar span{width:6px;height:6px;border-radius:50%;background:#867c9a}.video-window-bar b{margin-left:7px;font-weight:500}.video-window-content{position:relative;z-index:1;display:flex;align-items:center;gap:20px;min-height:203px;padding:30px 42px}.video-play{display:grid;width:62px;height:62px;place-items:center;padding-left:3px;border:1px solid rgba(255,255,255,.36);border-radius:50%;color:#fff;background:rgba(255,255,255,.13);font-size:1.25rem}.video-window-content strong{display:block;color:#fff;font:700 1.32rem var(--display)}.video-window-content span{display:block;margin-top:7px;color:#c2bbcf;font-size:.77rem}.video-duration{position:absolute;right:18px;bottom:15px;z-index:1;color:#cbc4d5;font-size:.72rem}
.content-secondary-section{padding:78px 0;background:#fff}.secondary-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:80px}.section-heading-row.compact{align-items:center;margin-bottom:24px}.topic-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.topic-card{display:flex;align-items:center;gap:13px;width:100%;min-height:76px;padding:13px 14px;border:1px solid var(--line);border-radius:9px;color:var(--text);background:#fff;text-align:left;transition:.18s ease}.topic-card:hover{border-color:#d2caf9;background:#fbfaff;transform:translateY(-2px)}.topic-card-icon{display:grid;flex:0 0 35px;width:35px;height:35px;place-items:center;border-radius:8px;font-weight:800}.topic-card-icon.purple{color:var(--purple-dark);background:var(--purple-soft)}.topic-card-icon.green{color:var(--green);background:var(--green-soft)}.topic-card-icon.orange{color:var(--orange);background:var(--orange-soft)}.topic-card-icon.blue{color:var(--blue);background:var(--blue-soft)}.topic-card strong,.topic-card small{display:block}.topic-card strong{font-size:.84rem}.topic-card small{margin-top:2px;color:var(--muted);font-size:.72rem}.topic-card-arrow{margin-left:auto;color:var(--muted)}.popular-panel{padding-left:25px;border-left:1px solid var(--line)}.popular-list{display:grid;gap:0;margin:4px 0 0;padding:0;list-style:none}.popular-list li{border-bottom:1px solid var(--line)}.popular-list button{display:flex;align-items:center;gap:13px;width:100%;padding:12px 0;border:0;color:var(--secondary);background:transparent;text-align:left;font-size:.82rem}.popular-list button:hover{color:var(--purple-dark)}.popular-list button span{color:var(--muted);font:700 .72rem var(--body)}
.product-note-band{padding:62px 0;border-top:1px solid #ddd7f4;border-bottom:1px solid #ddd7f4;background:#f4f1ff}.product-note-layout{display:flex;align-items:center;justify-content:space-between;gap:35px}.product-note-layout>div{max-width:650px}.product-note-layout p:not(.section-kicker){margin-top:10px;color:var(--secondary);font-size:.94rem}.solid-button{white-space:nowrap}.faq-section{padding:78px 0}.faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:85px}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;color:var(--text);cursor:pointer;font-weight:700;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:var(--purple-dark);font-size:1.35rem;font-weight:400;transition:transform .18s ease}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{max-width:680px;padding:0 35px 19px 0;color:var(--secondary);font-size:.88rem}.content-cta{padding:58px 0;color:#fff;background:linear-gradient(135deg,#654ce6,#4831ba)}.content-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.content-cta .section-kicker{color:#d6d0ff}.content-cta h2{color:#fff}.content-cta p:last-child{margin-top:9px;color:#dcd7ff;font-size:.9rem}.solid-button.light{color:var(--purple-dark);background:#fff}.solid-button.light:hover{color:var(--purple-dark);background:#f5f2ff}.content-footer{padding:39px 0 20px;border-top:1px solid var(--line);background:#fff}.content-footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:30px}.content-footer-inner .content-logo{font-size:.95rem}.content-footer-inner .content-logo-mark{width:30px;height:30px;border-radius:8px;font-size:15px}.content-footer-inner p{margin-top:9px;color:var(--muted);font-size:.76rem}.content-footer nav{display:flex;flex-wrap:wrap;gap:20px}.content-footer nav a{color:var(--secondary);font-size:.79rem}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:15px;border-top:1px solid var(--line);color:var(--muted);font-size:.7rem}.preview-dialog{width:min(520px,calc(100% - 32px));padding:29px;border:1px solid var(--line);border-radius:14px;color:var(--text);background:#fff;box-shadow:var(--shadow)}.preview-dialog::backdrop{background:rgba(31,25,45,.42)}.preview-dialog h2{margin-top:8px;font:700 1.55rem/1.3 var(--display)}.preview-dialog #dialogBody{margin:14px 0 23px;color:var(--secondary);font-size:.93rem}.dialog-close{position:absolute;top:13px;right:15px;border:0;color:var(--muted);background:transparent;font-size:1.5rem;line-height:1}.dialog-close:hover{color:var(--text)}
@media(max-width:980px){.hero-layout{gap:38px}.content-nav a{padding-inline:8px}.featured-grid{grid-template-columns:1fr 1fr}.featured-card-media img{height:230px}.secondary-grid{gap:45px}}
@media(max-width:760px){.content-container{width:min(100% - 32px,1160px)}.content-nav{display:none;position:absolute;top:61px;right:0;left:0;flex-direction:column;align-items:stretch;padding:8px;border:1px solid var(--line);border-radius:9px;background:#fff;box-shadow:0 5px 18px rgba(44,38,65,.06)}.content-nav.is-open{display:flex}.content-nav a{padding:11px 12px}.content-nav-toggle{display:grid;place-items:center}.header-tool-link{display:none}.content-hero{padding:54px 0 56px}.hero-layout,.video-guide-layout,.secondary-grid,.faq-layout{grid-template-columns:1fr}.hero-visual{min-height:320px}.hero-visual-title{margin-top:46px}.section-heading-row{align-items:flex-start;flex-direction:column}.content-controls{width:100%;justify-content:space-between}.featured-grid{grid-template-columns:1fr}.content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.video-guide-layout{gap:30px}.secondary-grid{gap:54px}.popular-panel{padding:0;border-left:0}.product-note-layout,.content-cta-inner,.content-footer-inner{align-items:flex-start;flex-direction:column}.faq-layout{gap:32px}}
@media(max-width:520px){.content-search{align-items:stretch;flex-wrap:wrap;padding:10px}.content-search>svg{margin-top:10px;margin-left:5px}.content-search input{min-height:36px}.content-search button{width:100%}.content-main,.content-secondary-section,.faq-section{padding-block:56px}.content-grid,.topic-cards{grid-template-columns:1fr}.video-guide-preview{min-height:218px}.video-window-content{min-height:182px;padding:22px}.video-window-content strong{font-size:1.05rem}.video-play{width:52px;height:52px;font-size:1rem}.footer-bottom{align-items:flex-start;flex-direction:column;gap:5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}