:root{--blue:#2977d5;--ink:#21549b;--yellow:#ffdc57;--white:#fff;--pale:#e7f3ff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--white);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif}button,a{color:inherit;-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible{outline:4px solid var(--blue);outline-offset:6px}img{display:block;max-width:100%}header{height:95px;padding:0 6%;display:flex;justify-content:space-between;align-items:center;border-bottom:3px solid var(--ink);background:var(--white)}.brand{display:block}.sun{display:block;width:38px;height:38px;border-radius:50%;background:var(--yellow);border:3px solid var(--ink);box-shadow:4px 4px 0 var(--blue)}nav{display:flex;gap:18px}nav a{display:grid;place-items:center;width:43px;height:43px;border:3px solid var(--ink);border-radius:15px;background:var(--pale);box-shadow:3px 3px 0 var(--ink)}nav a:nth-child(2){background:var(--yellow)}nav a:nth-child(3){background:var(--blue)}nav span{width:12px;height:12px;border-radius:50%;background:white;border:2px solid var(--ink)}nav a:hover{transform:translateY(-3px)}.hero{min-height:690px;height:calc(100svh - 95px);max-height:1000px;background:var(--yellow);display:grid;grid-template-columns:1fr 1fr;gap:6%;padding:65px 6% 95px;align-items:center;position:relative;border-bottom:3px solid var(--ink)}.hero-copy{min-height:260px}.hero-art{height:100%;max-height:650px;min-height:470px;position:relative;overflow:hidden;border:4px solid var(--ink);border-radius:48% 48% 30px 30px;box-shadow:12px 12px 0 var(--blue);background:#a3a18e}.hero-art img{position:absolute;height:100%;width:auto;max-width:none;left:50%;transform:translateX(-50%)}.scroll-dot{position:absolute;bottom:25px;left:calc(50% - 15px);width:30px;height:44px;border:3px solid var(--ink);border-radius:18px;background:white;box-shadow:3px 3px 0 var(--blue)}.scroll-dot:after{content:"";position:absolute;top:8px;left:10px;width:4px;height:10px;background:var(--blue);border-radius:3px}.ribbon{height:45px;background:var(--blue);border-bottom:3px solid var(--ink);background-image:radial-gradient(circle,var(--yellow) 5px,transparent 6px);background-size:80px 45px}.section{max-width:1440px;margin:auto;padding:100px 6%}.about{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:12%}.photo{max-width:480px;padding:16px;background:white;border:3px solid var(--ink);border-radius:20px;box-shadow:10px 10px 0 var(--yellow);transform:rotate(-3deg)}.photo img{border-radius:10px}.about-copy{min-height:280px}.works{padding-top:35px;padding-bottom:100px}.heading{min-height:80px}.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.work-card{padding:0;border:3px solid var(--ink);background:var(--yellow);border-radius:24px;overflow:hidden;box-shadow:7px 7px 0 var(--blue);aspect-ratio:1.2;transition:transform .2s,box-shadow .2s}.work-card img{width:100%;height:100%;object-fit:cover}.work-card:hover{transform:translateY(-6px);box-shadow:7px 13px 0 var(--blue)}.projects{max-width:none;min-height:220px;background:var(--pale);border-top:3px solid var(--ink);border-bottom:3px solid var(--ink)}.resources{min-height:260px}footer{min-height:240px;background:var(--blue);border-top:3px solid var(--ink);display:grid;place-items:center}.back-top{padding:15px}.back-top .sun{width:45px;height:45px;box-shadow:5px 5px 0 white}dialog{width:min(900px,92vw);max-height:90svh;overflow:auto;border:4px solid var(--ink);border-radius:25px;background:white;padding:55px 25px 25px;box-shadow:10px 10px 0 var(--yellow)}dialog::backdrop{background:#153c7699;backdrop-filter:blur(6px)}.close{position:absolute;right:15px;top:12px;width:34px;height:34px;border:2px solid var(--ink);border-radius:50%;background:var(--yellow)}.close:before,.close:after{content:"";position:absolute;left:14px;top:7px;width:2px;height:16px;background:var(--ink);transform:rotate(45deg)}.close:after{transform:rotate(-45deg)}.detail-image{width:100%;border-radius:12px}.expression-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.expression-grid img{border-radius:12px}.dialog-controls{display:flex;justify-content:center;gap:24px;margin-top:20px}.dialog-controls>*{display:block;width:40px;height:40px;border:2px solid var(--ink);border-radius:12px;background:var(--yellow);position:relative}.dialog-controls button:after{content:"";position:absolute;width:10px;height:10px;border-left:3px solid var(--ink);border-bottom:3px solid var(--ink);transform:rotate(45deg);left:15px;top:12px}#next-work:after{transform:rotate(225deg);left:10px}#original-link:after{content:"";position:absolute;inset:10px;border:2px solid var(--ink);border-radius:3px}body.modal-open{overflow:hidden}@media(max-width:900px){.hero{min-height:620px;padding-top:50px}.hero-art{min-height:430px}.works-grid{gap:22px}.section{padding-top:75px;padding-bottom:75px}}@media(max-width:640px){header{height:80px;padding:0 7%}.hero{height:auto;min-height:0;padding:35px 7% 80px;grid-template-columns:1fr;gap:25px}.hero-copy{min-height:120px}.hero-art{height:440px;min-height:0;box-shadow:8px 8px 0 var(--blue)}.section{padding:65px 7%}.about{grid-template-columns:1fr;gap:40px}.photo{width:85%;margin:auto}.about-copy{min-height:120px}.works{padding-top:0}.heading{min-height:50px}.works-grid{grid-template-columns:1fr;gap:35px}.projects{min-height:160px}.resources{min-height:180px}footer{min-height:180px}.expression-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* 顶部品牌、导航与头像 */
.brand{display:flex;align-items:center;gap:20px;text-decoration:none}.brand-title{font-size:24px;font-weight:700;white-space:nowrap}.header-right{display:flex;align-items:center;gap:28px}header nav{gap:14px}header nav a{width:auto;height:44px;padding:0 18px;font-size:16px;font-weight:600;text-decoration:none;white-space:nowrap}header nav a:nth-child(3){color:white}.header-avatar{width:52px;height:52px;object-fit:cover;border:3px solid var(--ink);border-radius:50%;box-shadow:3px 3px 0 var(--yellow);flex-shrink:0}@media(max-width:900px){.brand{gap:12px}.brand-title{font-size:20px}.header-right{gap:16px}header nav{gap:9px}header nav a{padding:0 12px;font-size:14px}}@media(max-width:640px){header{height:auto;min-height:120px;padding:16px 7%;display:grid;grid-template-columns:1fr;gap:17px}.brand-title{font-size:20px}.brand .sun{width:30px;height:30px}.header-right{justify-content:space-between;gap:12px}header nav{gap:8px}header nav a{height:38px;padding:0 10px;font-size:13px;border-radius:12px}.header-avatar{width:40px;height:40px}}
/* 首屏介绍 */
.hero-copy{max-width:660px;padding-right:8px}.hero-copy h1{margin:0 0 25px;font-size:clamp(36px,3.5vw,62px);line-height:1.32;letter-spacing:-1.5px;font-weight:800;color:var(--ink)}.hero-copy h1 span{display:inline-block;color:var(--blue);position:relative}.hero-copy h1 span:after{content:"";display:block;height:8px;margin-top:4px;border-radius:8px;background:white;transform:rotate(-1deg)}.intro-greeting{font-size:19px;font-weight:700;line-height:1.7;margin:0 0 18px}.intro-description{font-size:16px;line-height:1.95;color:#234b7c}.intro-description p{margin:0 0 13px}.intro-description strong{font-weight:700;color:var(--ink)}.intro-actions{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px}.intro-button{display:inline-flex;align-items:center;justify-content:center;min-height:51px;padding:12px 23px;border:3px solid var(--ink);border-radius:16px;text-decoration:none;font-size:16px;font-weight:700;box-shadow:4px 4px 0 var(--ink);transition:transform .2s,box-shadow .2s}.intro-button.primary{background:var(--blue);color:white}.intro-button.secondary{background:white;color:var(--ink)}.intro-button:hover{transform:translateY(-3px);box-shadow:4px 7px 0 var(--ink)}@media(max-width:900px){.hero-copy h1{font-size:36px;letter-spacing:-1px}.intro-greeting{font-size:17px}.intro-description{font-size:16px;line-height:1.8}.intro-actions{gap:12px;margin-top:23px}.intro-button{font-size:14px;padding:10px 15px}}@media(max-width:640px){.hero-copy{padding-right:0;min-height:0}.hero-copy h1{font-size:clamp(30px,7.9vw,42px);margin-bottom:24px}.intro-greeting{font-size:17px}.intro-description{line-height:1.9}.intro-actions{margin-bottom:12px;gap:14px}.intro-button{font-size:15px;padding:12px 17px}}
/* 个人履历 */
.resume{display:block;padding-top:90px;padding-bottom:100px}.resume-heading{max-width:780px;margin-bottom:48px}.resume-label{display:inline-block;padding:5px 14px;border:2px solid var(--ink);border-radius:30px;background:var(--yellow);font-size:14px;font-weight:700;line-height:1.6}.resume h2{font-size:clamp(32px,3.1vw,48px);line-height:1.4;letter-spacing:-1px;margin:22px 0 18px}.resume h2 span{color:var(--blue)}.resume-school{font-size:17px;font-weight:700;color:var(--ink);line-height:1.8;margin:0 0 18px}.resume-intro{font-size:17px;line-height:1.95;color:#43617e;margin:0;max-width:710px}.resume-layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:42px;align-items:start}.resume-story{border:3px solid var(--ink);border-radius:28px;padding:32px;background:white;box-shadow:8px 8px 0 var(--pale)}.resume-step{display:grid;grid-template-columns:46px 1fr;gap:20px}.resume-step+.resume-step{border-top:2px dashed #bfd4eb;margin-top:30px;padding-top:30px}.step-marker{display:grid;place-items:center;width:43px;height:43px;border:2px solid var(--ink);border-radius:14px;background:var(--yellow);font-size:17px;font-weight:700;box-shadow:3px 3px 0 var(--blue)}.resume-step h3{font-size:22px;line-height:1.5;margin:3px 0 15px}.resume-step p{font-size:16px;line-height:1.95;color:#43617e;margin:0 0 13px}.resume-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.resume-tags span{font-size:13px;line-height:1.6;color:var(--ink);background:var(--pale);border-radius:20px;padding:5px 12px}.resume-highlights{display:grid;gap:25px}.resume-honor{padding:28px;background:var(--yellow);border:3px solid var(--ink);border-radius:25px;box-shadow:6px 6px 0 var(--blue)}.resume-honor .resume-label{background:white}.resume-honor h3{font-size:23px;margin:20px 0}.resume-honor ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}.resume-honor li{font-size:17px;font-weight:700;background:#ffffff9c;border-radius:12px;padding:12px 16px}.resume-skills{border:3px solid var(--ink);border-radius:25px;padding:28px;background:var(--pale)}.resume-skills .resume-label{background:white}.resume-skills dl{margin:22px 0 0}.resume-skills dl>div+div{border-top:1px solid #b4cce6;padding-top:18px;margin-top:18px}.resume-skills dt{font-size:16px;font-weight:700;margin-bottom:8px}.resume-skills dd{margin:0;font-size:16px;line-height:1.8;color:#43617e}@media(max-width:900px){.resume-layout{gap:26px;grid-template-columns:1.5fr 1fr}.resume-story{padding:25px}.resume-step{grid-template-columns:1fr}.resume-step h3{font-size:20px}.resume-honor,.resume-skills{padding:23px}}@media(max-width:640px){.resume{padding-top:60px;padding-bottom:65px}.resume-heading{margin-bottom:32px}.resume h2{font-size:31px}.resume-school{font-size:15px}.resume-intro{font-size:16px}.resume-layout{grid-template-columns:1fr;gap:30px}.resume-story{padding:23px;border-radius:22px}.resume-step{gap:16px}.resume-step h3{font-size:21px}.resume-highlights{gap:25px}}
/* 学生服务与介绍窗口 */
.services{padding-top:35px}.services-heading{margin-bottom:35px}.services h2{font-size:clamp(30px,3vw,44px);line-height:1.4;margin:20px 0 15px}.services-heading>p{font-size:17px;line-height:1.8;color:#43617e;margin:0}.service-group-title{font-size:20px;margin:0 0 20px;line-height:1.5}.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:23px}.service-card{text-align:left;padding:24px;border:3px solid var(--ink);border-radius:24px;background:white;box-shadow:5px 5px 0 var(--yellow);font:inherit;display:flex;flex-direction:column;align-items:start;transition:transform .2s,box-shadow .2s}.service-card:hover{transform:translateY(-5px);box-shadow:5px 10px 0 var(--yellow)}.service-icon{display:grid;place-items:center;width:44px;height:44px;border:2px solid var(--ink);border-radius:14px;background:var(--yellow);font-size:16px;font-weight:700;margin-bottom:22px}.service-card h4{font-size:20px;line-height:1.5;margin:0 0 12px}.service-card p{font-size:15px;line-height:1.85;color:#43617e;margin:0 0 24px}.service-more{margin-top:auto;border-bottom:2px solid var(--blue);font-size:14px;font-weight:700;line-height:1.7}.development-title{margin-top:42px}.development-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.development-grid .service-card{background:var(--pale);box-shadow:5px 5px 0 var(--blue)}.development-grid .service-card:hover{box-shadow:5px 10px 0 var(--blue)}#service-dialog{max-width:600px;padding:35px;border-radius:25px}#service-dialog h2{font-size:29px;line-height:1.5;margin:22px 0 15px;padding-right:10px}.service-dialog-description{font-size:16px;line-height:1.9;color:#43617e;margin:0 0 22px}.service-dialog-list{padding-left:22px;font-size:16px;line-height:1.9;color:#43617e}.service-dialog-list li+li{margin-top:10px}.service-contact{margin-top:28px;padding:22px;background:var(--pale);border:2px dashed var(--blue);border-radius:18px}.service-contact h3{font-size:19px;margin:0 0 10px}.service-contact p{font-size:15px;color:#43617e;margin:0}@media(max-width:1000px){.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.development-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.service-card{padding:21px}}@media(max-width:640px){.services{padding-top:20px}.services-heading>p{font-size:16px}.service-grid,.development-grid{grid-template-columns:1fr;gap:24px}.service-card{padding:24px}.service-card h4{font-size:22px}.service-card p{font-size:16px}.service-icon{margin-bottom:16px}.development-title{margin-top:35px}#service-dialog{padding:28px 23px}#service-dialog h2{font-size:25px}}
/* 学习资料与 AI 工具入口 */
.resources-heading{margin-bottom:40px}.resources h2{font-size:clamp(30px,3vw,44px);line-height:1.4;margin:20px 0 15px}.resources-heading>p{font-size:17px;line-height:1.8;color:#43617e;margin:0}.resource-groups{display:grid;gap:38px}.resource-groups h3{font-size:21px;margin:0 0 20px;line-height:1.5}.download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.download-card{display:flex;flex-direction:column;align-items:start;padding:25px;border:3px solid var(--ink);border-radius:23px;background:white;box-shadow:5px 5px 0 var(--pale)}.download-top{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%}.download-top h4,.student-resource h4,.ai-entry h4{font-size:21px;line-height:1.5;margin:0}.download-top>span,.resource-badge{font-size:12px;line-height:1.6;background:var(--pale);border-radius:20px;padding:5px 10px;white-space:nowrap}.download-card p,.student-resource p,.ai-entry p{font-size:16px;line-height:1.85;color:#43617e;margin:14px 0 22px}.download-card>a,.student-resource>a,.ai-entry>a{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-size:14px;font-weight:700;line-height:1.6;padding:9px 17px;border:2px solid var(--ink);border-radius:12px;background:var(--yellow);box-shadow:3px 3px 0 var(--ink);margin-top:auto}.download-card>a:hover,.student-resource>a:hover,.ai-entry>a:hover{transform:translateY(-2px)}.student-resource{display:flex;align-items:center;justify-content:space-between;gap:28px;border:3px solid var(--ink);border-radius:23px;padding:27px;background:var(--yellow);box-shadow:5px 5px 0 var(--blue)}.student-resource>div{max-width:720px}.student-resource p{margin-bottom:14px}.student-resource>a{background:white;flex-shrink:0;margin-top:0}.resource-badge{display:inline-block;background:white}.resource-footnote{font-size:14px;color:#43617e;line-height:1.8;margin:28px 0 0}.ai-resources{margin-top:65px;padding-top:45px;border-top:2px dashed #bfd4eb}.ai-resources>div>h3{font-size:clamp(25px,2.4vw,34px);line-height:1.5;margin:20px 0 14px}.ai-resources>div>p{font-size:16px;line-height:1.8;color:#43617e;margin:0 0 28px}.ai-entry{display:flex;align-items:center;justify-content:space-between;gap:30px;border:3px solid var(--ink);border-radius:25px;padding:30px;background:var(--pale);box-shadow:6px 6px 0 var(--blue)}.ai-entry p{margin:12px 0}.ai-entry small{font-size:13px;color:#43617e;line-height:1.8}.ai-entry>a{background:var(--blue);color:white;flex-shrink:0;margin-top:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:640px){.download-grid{grid-template-columns:1fr}.download-card{padding:23px}.download-top{flex-wrap:wrap}.student-resource,.ai-entry{display:block;padding:24px}.student-resource>a,.ai-entry>a{margin-top:22px}.resources-heading>p{font-size:16px}.ai-resources{margin-top:45px}.ai-resources>div>h3{font-size:26px}}
/* 分类软件目录 */
.catalog-search{display:flex;gap:14px;align-items:center;margin:28px 0 35px}.catalog-search label{font-weight:700;white-space:nowrap}.catalog-search input{flex:1;min-width:0}.catalog-search input,.software-controls input,.software-controls select{padding:13px;border:2px solid var(--ink);border-radius:12px;font:inherit;font-size:16px;color:var(--ink);background:white}.catalog-search button,.software-controls button,.software-card a,.tutorial-links a{padding:12px 18px;border:2px solid var(--ink);border-radius:12px;background:var(--yellow);font:inherit;font-weight:700;box-shadow:3px 3px 0 var(--ink);text-decoration:none}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.category-card{text-align:left;padding:25px;border:3px solid var(--ink);border-radius:24px;background:white;color:var(--ink);box-shadow:5px 5px 0 var(--pale);font:inherit;transition:transform .2s}.category-card:hover{transform:translateY(-4px)}.category-index,.tutorial-tag{display:inline-block;background:var(--yellow);border-radius:12px;padding:7px 12px;font-weight:700}.category-card h3{font-size:23px;margin:20px 0 12px}.category-card p{color:#43617e;line-height:1.7}.category-count{display:block;font-size:14px;font-weight:700;margin-top:22px}.ai-resources>h3{font-size:clamp(26px,3vw,36px);margin:20px 0 12px}.ai-resources>p{line-height:1.8}.ai-tutorial-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin:30px 0}.ai-tutorial{padding:28px;background:white;border:3px solid var(--ink);border-radius:25px;box-shadow:5px 5px 0 var(--yellow)}.ai-tutorial h4{font-size:30px;margin:20px 0 12px}.ai-tutorial p,.ai-tutorial li{line-height:1.85;color:#43617e}.tutorial-links{display:flex;flex-wrap:wrap;gap:14px;margin:22px 0 30px}.tutorial-links a{font-size:14px}.ai-tutorial summary{cursor:pointer;font-weight:700;padding:16px 0;border-top:2px dashed #bfd4eb}.ai-tutorial li+li{margin-top:10px}.ai-tutorial ol{padding-left:22px}.prompt-example{padding:18px;border-radius:15px;background:var(--pale);margin:22px 0}.prompt-example p{margin:10px 0 0}.official-guide{font-weight:700;line-height:1.8}.ai-entry{margin-top:30px}#software-dialog{width:min(1050px,calc(100% - 32px));max-width:1050px;max-height:85vh;padding:32px;border-radius:25px}#software-dialog h2{font-size:28px;margin:22px 0}.software-controls{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:14px;align-items:end}.software-controls label{display:block;font-size:14px;font-weight:700;margin-bottom:9px}.software-controls input,.software-controls select{width:100%;min-width:0}.software-controls button{padding:13px}.software-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.software-card{display:flex;flex-direction:column;align-items:start;padding:22px;border:2px solid var(--ink);border-radius:18px;background:var(--pale);min-width:0}.software-card h3{font-size:21px;margin:0;overflow-wrap:anywhere}.software-card p{line-height:1.7;margin:12px 0}.software-card small{color:#43617e;line-height:1.8;margin-bottom:20px}.software-card a{font-size:14px;margin-top:auto;background:white}#software-empty{padding:30px;text-align:center;background:var(--pale);border-radius:18px}#software-empty[hidden]{display:none}input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:3px}@media(max-width:850px){.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.software-controls{grid-template-columns:1fr 1fr}.software-controls>div:first-child{grid-column:1/-1}.software-controls button{grid-column:1/-1}}@media(max-width:640px){.catalog-search{flex-wrap:wrap}.catalog-search label{width:100%}.catalog-search button{padding:13px 10px;font-size:14px}.category-grid,.ai-tutorial-grid,.software-results{grid-template-columns:1fr}.ai-tutorial{padding:23px}#software-dialog{padding:26px 18px}.software-controls{gap:12px}.software-controls select{padding:12px 8px}.software-card{padding:20px}}

.web-software{margin-top:40px;padding:28px;border:3px solid var(--ink);border-radius:24px;background:var(--pale);box-shadow:5px 5px 0 var(--yellow)}.web-software h3{font-size:25px;margin:0 0 14px}.web-software p{line-height:1.8}#web-software-search,.software-submit form{display:grid;gap:12px}.web-software input,.web-software select,.web-software textarea{width:100%;min-width:0;padding:13px;font:inherit;font-size:16px;border:2px solid var(--ink);border-radius:12px;background:white;color:var(--ink)}.web-software button{font:inherit;font-weight:700;padding:12px 16px;border:2px solid var(--ink);border-radius:12px;background:var(--yellow);color:var(--ink)}.web-category-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.web-category-links button{background:white}.software-submit{margin-top:25px;border-top:2px dashed var(--blue);padding-top:20px}.software-submit summary{cursor:pointer;font-weight:700}.software-submit label{display:grid;gap:8px}.software-submit form{margin-top:20px}#software-external-search{display:inline-block;margin-top:15px;padding:12px;background:white;border:2px solid var(--ink);border-radius:12px;font-weight:700}@media(max-width:640px){.web-software{padding:22px}.web-category-links button{font-size:14px}}