/* Zhongwei brand refresh — original logo and locally hosted official tool icons */
:root{--blue:#2161e8;--navy:#122449;--ink:#182b4d;--muted:#71809a;--line:#e5ebf5;--bg:#f6f8fd;--radius:18px}
body{background:radial-gradient(ellipse at 95% 65%,#eaf0ff80,transparent 40%),#f6f8fd}.utility{background:#122449;color:#b9c8e0}.utility a{color:#dce8ff}.header-row{padding:21px 0;gap:24px}.brand{gap:13px}.brand-logo{object-fit:contain;width:60px;height:60px;flex-shrink:0}.brand-name{font-size:23px;letter-spacing:.3px}.brand-name small{color:#8495af;letter-spacing:2px;font-size:9px;margin-top:5px}#search-form{border-radius:30px;background:#f6f8fc}#site-search{padding:12px 18px}.my-link{border:1px solid var(--line);border-radius:24px;padding:7px 14px 7px 7px}.avatar{background:#e9f0ff}nav{background:#fff;color:#52617b;border-top:1px solid #f0f3f9;border-bottom:1px solid var(--line)}nav a{padding:15px 26px;font-weight:600}nav a span{font-weight:400;color:#929db0}nav a:hover,nav a.active{background:#f0f5ff;color:#2161e8}nav a.active:after{height:3px;background:#2161e8;border-radius:3px 3px 0 0}
.hero{background:radial-gradient(ellipse at 83% 12%,#d9e8ff 0,transparent 47%),radial-gradient(ellipse at 42% 100%,#edf3ff,transparent 65%),linear-gradient(115deg,#f4f8ff,#eef3ff 60%,#eef9fb)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#638ce707 1px,transparent 1px),linear-gradient(90deg,#638ce707 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,transparent,#000)}.hero:after{content:"";width:320px;height:320px;position:absolute;left:-210px;top:80px;border:1px solid #b5cdfa88;border-radius:50%;box-shadow:0 0 0 38px #d9e7ff44,0 0 0 75px #e2ecff44;pointer-events:none}.hero-inner{min-height:510px;grid-template-columns:1fr 1.08fr;gap:32px}.hero-copy{padding:52px 0 78px}.eyebrow{background:#fff9;border:1px solid #cadcff;border-radius:30px;padding:6px 13px;color:#42679e;font-size:12px;letter-spacing:1.2px}.eyebrow:before{background:#94c11e;box-shadow:0 0 0 4px #94c11e15}.hero h1{font-size:48px;letter-spacing:1px;line-height:1.3;margin:21px 0 19px;color:#162d54}.hero h1 em{background:linear-gradient(100deg,#2265ec,#079edd);background-clip:text;-webkit-background-clip:text;color:transparent}.hero-copy p{font-size:15px;line-height:1.9;color:#6a7c97}.hero-highlights{display:flex;flex-wrap:wrap;gap:15px;margin-top:21px;font-size:11px;color:#6b7d98}.hero-highlights span:before{content:"✓";color:#4383da;font-weight:700;margin-right:5px}.btn{border-radius:10px;padding:11px 21px;transition:transform .2s,box-shadow .2s}.btn.primary{background:linear-gradient(110deg,#2268ef,#2458d4);box-shadow:0 8px 20px #2161e82c;border-color:transparent}.hero .actions{margin-top:25px}.hero .btn{padding:13px 24px}.hero-bottom{bottom:25px;color:#8499b6;font-size:9px}.hero-bottom span{background:#00a2de}.hero-bottom span+span{background:#94c11e;width:12px}
.hero-art{height:400px;min-width:0;transform:none;width:auto;margin:0}.creative-window{position:absolute;inset:19px 12px 20px 19px;border:1px solid #fff;background:#ffffffba;border-radius:19px;box-shadow:0 25px 60px #244a9724,0 2px 10px #fff;transform:perspective(1100px) rotateY(-9deg) rotateZ(3deg);overflow:hidden;backdrop-filter:blur(10px)}.window-top{display:flex;align-items:center;justify-content:space-between;height:40px;padding:0 17px;border-bottom:1px solid #e1e9f6;font-size:9px;color:#91a1bb;letter-spacing:1px;background:#fafdffcc}.window-dots{color:#bbc9e1;letter-spacing:3px;font-size:9px}.window-body{padding:18px}.window-label{font-size:11px;color:#647da5;margin-bottom:10px}.slide-preview{background:linear-gradient(125deg,#244db3,#2873e0 65%,#2e9bd1);color:#fff;border-radius:12px;min-height:158px;display:flex;justify-content:space-between;align-items:center;padding:18px 22px;position:relative;overflow:hidden}.slide-preview:after{content:"";position:absolute;width:140px;height:140px;border:22px solid #ffffff0a;border-radius:50%;bottom:-100px;left:20px}.slide-tag{display:block;font-size:9px;color:#b8d8ff;letter-spacing:2px}.slide-preview strong{display:block;font-size:29px;line-height:1.25;letter-spacing:2px;margin:10px 0}.slide-caption{font-size:8px;letter-spacing:4px;color:#b5d4ff}.science-graphic{position:relative;width:150px;height:140px;display:grid;place-items:center}.science-ring{width:135px;height:54px;position:absolute;border:1.4px solid #b6e6ff90;border-radius:50%;transform:rotate(-30deg)}.science-ring.r2{transform:rotate(30deg)}.science-ring.r3{transform:rotate(90deg)}.science-ring:before{content:"";position:absolute;width:12px;height:12px;background:#f4e531;border-radius:50%;top:0;left:20px;box-shadow:0 0 20px #fffc8c66}.r2:before{background:#a6d431}.r3:before{background:#ff929d}.science-core{font-size:42px;color:#c7eeff;text-shadow:0 0 25px #c7eeff99}.creation-tools{display:flex;gap:20px;justify-content:center;margin:13px 0}.creation-tools>span{display:flex;align-items:center;gap:5px}.creation-tools small{font-size:9px;color:#607a9e}.tool-logo{width:49px;height:49px;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid #e6ebf4;border-radius:14px;flex-shrink:0;box-shadow:0 4px 12px #1c44720a;overflow:hidden}.tool-logo img{width:78%;height:78%;object-fit:contain;border-radius:7px}.creation-tools .tool-logo{width:25px;height:25px;border-radius:7px}.creation-tools .tool-logo img{border-radius:3px}.creation-prompt{display:flex;align-items:center;gap:9px;background:#f4f7fe;border:1px solid #dfe8f8;border-radius:10px;padding:7px 10px;color:#8596b1;font-size:10px}.creation-prompt .icon{width:23px;height:23px;background:none}.creation-prompt .icon svg{width:17px;height:17px}.creation-prompt b{margin-left:auto;background:#2664e4;color:#fff;width:23px;height:23px;text-align:center;line-height:23px;border-radius:6px}.float-chip{border-radius:13px;box-shadow:0 12px 35px #244a9720;padding:12px 15px}.float-chip.one{top:27px;left:-20px;transform:rotate(-5deg)}.float-chip.two{top:auto;right:-17px;bottom:35px;transform:rotate(4deg)}.float-chip .icon{width:36px;height:36px}.float-chip b{font-size:12px}.float-chip small{font-size:9px}.creative-badge{position:absolute;left:29px;bottom:3px;background:#173760;color:#e1efff;padding:9px 15px;border-radius:24px;font-size:10px;box-shadow:0 8px 20px #23416822;letter-spacing:1px;transform:rotate(-3deg)}.creative-badge span{color:#fff032;margin-right:7px}.art-dots{background-size:19px 19px;inset:-30px}
.quickbar{position:relative;background:transparent;border:0;margin-top:-9px;z-index:2}.quick-grid{background:white;border:1px solid #e5ecf9;border-radius:18px;padding:23px 20px;box-shadow:0 9px 30px #28427409}.quick-item{padding:0 22px;transition:transform .2s}.quick-item:first-child{padding-left:7px}.quick-item:hover{transform:translateY(-3px)}.quick-item .icon{width:49px;height:49px;border-radius:14px}.quick-item:nth-child(2) .icon{background:#fff8cf;color:#b89517}.quick-item:nth-child(3) .icon{background:#f0f7de;color:#79a728}.quick-item:nth-child(4) .icon{background:#fff0f1;color:#de5163}.quick-item strong{font-size:14px}.quick-item small{font-size:11px}.section{padding-top:40px}.section-title h2{font-size:24px}.section-title .marker{height:25px;background:linear-gradient(#2266e5,#03a2df);width:5px}.more{background:#fff;padding:6px 12px;border:1px solid #e1e8f3;border-radius:20px;color:#6983a8}.course-card,.tool-card{border-radius:17px;box-shadow:0 5px 15px #233e6f04}.course-card:hover,.tool-card:hover{box-shadow:0 15px 34px #25416c14;transform:translateY(-5px);border-color:#c1d5f5}.cover{height:170px;padding:21px;color:#fff!important}.cover.blue{background:linear-gradient(125deg,#2a64d9,#53a4ef)}.cover.violet{background:linear-gradient(125deg,#6659c9,#a788e6)}.cover.orange{background:linear-gradient(125deg,#e88c43,#f4bc67)}.cover.green{background:linear-gradient(125deg,#258c94,#68c4ad)}.cover:before{content:"";position:absolute;inset:0;background-image:radial-gradient(#fff3 1px,transparent 1px);background-size:13px 13px;mask-image:linear-gradient(90deg,transparent,#000)}.cover:after{width:165px;height:165px;right:-57px;top:32px;border:25px solid #ffffff15}.cover .kicker{font-size:8px;letter-spacing:1.2px;opacity:.8;max-width:70%;line-height:1.6}.cover-title{font-size:24px;letter-spacing:1px;position:relative;text-shadow:0 2px 6px #23416815}.cover .level{color:#fff;background:#ffffff26;border:1px solid #ffffff45;backdrop-filter:blur(4px);border-radius:20px}.cover .icon{background:#ffffff17;color:white;border-color:#ffffff44;right:13px;bottom:24px;width:60px;height:60px;transform:rotate(-12deg);border-radius:16px;box-shadow:0 5px 18px #21448918}.cover .icon svg{width:35px;height:35px}.card-body{padding:18px}.card-body h3{font-size:15px}.card-body p{color:#7a88a0}.tool-card{padding:22px;position:relative;overflow:hidden}.tool-card:before{content:"";height:3px;position:absolute;top:0;left:21px;right:21px;background:linear-gradient(90deg,#d5e4ff,transparent);border-radius:3px}.tool-top{gap:12px}.tool-top h3{font-size:16px}.tool-top small{color:#8696ad}.tool-card p{line-height:1.85;margin-top:17px}.tag{background:#f1f5fb;border-radius:5px;padding:3px 8px}.tool-bottom{margin-top:auto;padding-top:15px;gap:9px}.tool-card .tags{margin-bottom:17px}.tool-bottom a{background:#eff5ff;border-radius:6px;padding:6px 9px}.tool-bottom button{color:#7890b0}.path-panel,.resource-panel,.case-card,.prompt-config,.prompt-result,.resource-row,.stat-card{border-radius:17px;box-shadow:0 5px 20px #233e6f04}.path-panel{background:radial-gradient(ellipse at 90% 10%,#e4edff,transparent 60%),white;padding:27px}.resource-panel{padding:27px}.number{background:#e5efff;border:1px solid #d2e2ff}.notice{border-radius:12px}.page-intro{background:radial-gradient(ellipse at 90% 10%,#deecff,transparent 50%),linear-gradient(100deg,#f0f6ff,#f5f8fd);border-bottom:1px solid #e6edf8;padding:38px 0}.page-intro h1{font-size:30px}.filter{border-radius:22px;padding:8px 18px}.filter.active{background:#2161e8;color:#fff;box-shadow:0 4px 12px #2161e822;border-color:#2161e8}.category-banner{border-radius:13px}.case-card{padding:28px}.prompt-result textarea{border-radius:12px}.dialog-heading .tool-logo{width:56px;height:56px}dialog{border-radius:20px}
footer{background:#122449;color:#94a8c7;border-top:4px solid transparent;border-image:linear-gradient(90deg,#00a0df 0 40%,#e60020 40% 55%,#97c21d 55% 75%,#fff000 75%) 1;padding:33px 0 20px}.footer-brand{display:flex;align-items:center;gap:15px}.footer-brand>img{object-fit:contain;background:white;border-radius:13px;padding:5px}.footer-top strong{color:#f0f5ff;font-size:16px}.footer-top p{color:#91a8c9}.footer-bottom{border-color:#ffffff17;color:#7f95b5}.footer-links{color:#c1cee2}
@media(max-width:1100px){.brand-name{font-size:20px}.hero h1{font-size:40px}.hero-inner{gap:15px}.creative-window{inset:32px 7px 33px 10px}.window-body{padding:15px}.creation-tools{gap:10px}.slide-preview{padding:16px}.slide-preview strong{font-size:26px}.science-graphic{width:120px}.float-chip.one{left:-8px}.float-chip.two{right:-7px}.quick-item{padding:0 12px;gap:10px}.quick-item .icon{width:42px;height:42px}.quick-item strong{font-size:13px}.tool-card{padding:17px}.tool-logo{width:43px;height:43px}}
@media(max-width:800px){.brand-logo{width:51px;height:51px}.brand-name{font-size:20px}.header-row{gap:13px}.brand-name small{font-size:8px;letter-spacing:1.2px}.hero-inner{min-height:460px;grid-template-columns:1fr 1fr}.hero h1{font-size:34px}.hero-copy{padding:38px 0 55px}.hero-copy p{font-size:13px}.hero-highlights{gap:8px;font-size:10px}.hero .btn{padding:11px 15px;font-size:12px}.hero-art{height:355px;width:340px;transform:scale(.85);transform-origin:center;margin-left:-33px}.creative-window{inset:15px 5px 0}.float-chip{padding:9px 11px}.float-chip.one{top:0;left:-5px}.float-chip.two{bottom:5px;right:-7px}.creative-badge{bottom:-20px}.window-body{padding:13px}.creation-tools{gap:7px}.creation-tools small{font-size:8px}.science-graphic{width:112px}.science-ring{width:105px}.quick-grid{padding:22px 19px;gap:20px}.quick-item:nth-child(3){padding-left:7px}.quick-item strong{font-size:14px}.section-title h2{font-size:22px}.cover{height:180px}.cover-title{font-size:27px}.tool-card{padding:21px}.tool-logo{width:48px;height:48px}.footer-top{align-items:flex-start;flex-wrap:wrap}}
@media(max-width:520px){.header-row{padding:14px 0}.brand{gap:8px}.brand-logo{width:44px;height:44px}.brand-name{font-size:16px}.brand-name small{font-size:6px;letter-spacing:1px}.my-link{font-size:10px;padding:7px 9px}.hero-inner{display:block;min-height:0}.hero-copy{max-width:100%;padding:30px 0 14px;text-align:center}.hero h1{font-size:35px;margin:16px 0}.hero-copy p{max-width:none;font-size:13px}.hero .eyebrow{font-size:10px}.hero-highlights{justify-content:center;font-size:9px}.hero .actions{justify-content:center;margin-top:20px}.hero .btn{padding:11px 18px}.hero-art{position:relative;right:auto;top:auto;width:100%;height:310px;transform:none;margin:0 0 20px;opacity:1}.creative-window{inset:18px 20px 19px;transform:rotate(2deg)}.window-top{height:29px;font-size:7px;padding:0 10px}.window-body{padding:11px}.window-label{font-size:9px;margin-bottom:7px}.slide-preview{min-height:115px;padding:12px 16px}.slide-preview strong{font-size:23px;margin:7px 0}.slide-tag{font-size:8px}.slide-caption{font-size:7px}.science-graphic{height:110px;width:105px}.science-ring{width:100px;height:43px}.science-core{font-size:30px}.creation-tools{margin:9px 0;gap:11px}.creation-tools small{font-size:8px}.creation-tools .tool-logo{width:20px;height:20px}.creation-prompt{padding:5px;font-size:8px}.float-chip{padding:8px 10px;gap:7px;border-radius:10px}.float-chip .icon{width:28px;height:28px}.float-chip .icon svg{width:18px;height:18px}.float-chip b{font-size:10px}.float-chip small{font-size:8px}.float-chip.one{top:0;left:0}.float-chip.two{bottom:13px;right:0}.creative-badge{bottom:0;left:10px;font-size:8px;padding:7px 10px}.quickbar{margin-top:0}.quick-grid{padding:18px 12px;gap:17px;border-radius:14px}.quick-item{gap:8px;padding:0 7px}.quick-item:first-child,.quick-item:nth-child(3){padding-left:0}.quick-item .icon{width:33px;height:33px;border-radius:10px}.quick-item strong{font-size:12px}.quick-item small{font-size:9px}.section{padding-top:29px}.section-title h2{font-size:19px}.more{font-size:10px;padding:4px 8px}.course-card,.tool-card{border-radius:13px}.cover{height:148px;padding:14px}.cover-title{font-size:20px}.cover .kicker{font-size:6px;letter-spacing:1px}.cover .icon{width:42px;height:42px;right:8px;bottom:18px;opacity:.65}.cover .icon svg{width:25px;height:25px}.cover .level{font-size:8px;top:9px;right:7px}.card-body{padding:12px}.card-body h3{font-size:13px}.tool-card{padding:14px}.tool-top{align-items:flex-start;gap:8px;flex-direction:column}.tool-top h3{font-size:14px;margin-top:1px}.tool-logo{width:43px;height:43px;border-radius:12px}.tool-card p{margin:11px 0;font-size:11px;min-height:62px}.tool-card .tags{margin-bottom:12px}.tool-bottom{align-items:flex-start;gap:8px}.tool-bottom a{font-size:10px;padding:5px 7px}.tool-bottom button{font-size:10px}.tag{font-size:9px;padding:2px 5px}.page-intro h1{font-size:24px}.page-intro{padding:26px 0}.footer-brand>img{width:48px;height:48px}.footer-top strong{font-size:14px}.footer-top p{font-size:10px}.footer-links{gap:20px;font-size:11px}.section-title .marker{height:21px}.path-panel,.resource-panel{padding:21px}}
@media(prefers-reduced-motion:reduce){.creative-window,.float-chip,.creative-badge{transform:none}.quick-item:hover,.course-card:hover,.tool-card:hover{transform:none}}