/* 集星官网 · 前台样式 */
:root{--navy:#0B1633;--navy2:#070E22;--blue:#1C3FAA;--blue2:#2B55D6;--gold:#C8A35A;--gold2:#E9D5A8;--paper:#F6F5F1;--ink:#16203A;--muted:#667089;--line:#E3E1DA;--white:#fff;--red:#C0392B;--green:#1F8A5B;
--serif:"Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC","Songti SC","SimSun",serif;
--sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;--r:18px;--w:1280px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
@keyframes menuIn{from{transform:translateX(100%)}to{transform:none}}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.6;font-size:16px}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
.serif{font-family:var(--serif);font-weight:700}
.muted{color:var(--muted)}.small{font-size:13px}.red{color:var(--red)}
.wrap{max-width:var(--w);margin:0 auto;padding:0 32px}
.narrow{max-width:860px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:100}.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--blue2);outline-offset:2px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 26px;font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap;background:none}
.btn.gold{background:var(--gold);color:var(--navy)}.btn.gold:hover{background:#D6B46E}
.btn.ghost{border-color:rgba(255,255,255,.6);color:#fff}.btn.ghost:hover{background:rgba(255,255,255,.12)}
.btn.blue{background:var(--blue);color:#fff}.btn.blue:hover{background:var(--blue2)}
.btn.line{border-color:var(--blue);color:var(--blue)}.btn.line:hover{background:#EEF2FC}
.btn.red{background:var(--red);color:#fff}
.btn.sm{padding:8px 16px;font-size:14px}.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;transition:background .25s,box-shadow .25s}
.nav.solid{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.has-over .nav{position:fixed;left:0;right:0;color:#fff}
.has-over .nav.scrolled{background:rgba(11,22,51,.94);backdrop-filter:blur(10px)}
.nav-in{max-width:1440px;margin:0 auto;display:flex;align-items:center;gap:28px;padding:16px 32px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{width:44px;height:44px;object-fit:contain}
.brand b{font-size:17px;letter-spacing:.05em;display:block;line-height:1.3}
.brand small{font-size:10px;letter-spacing:.28em;opacity:.7;display:block}
.nav.solid .brand b{color:var(--navy)}
.menu{display:flex;gap:26px;font-size:15px;margin-left:auto}
.menu a{position:relative;padding:6px 0;opacity:.92}
.menu a:hover,.menu a.on{opacity:1}
.menu a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--gold)}
.nav.solid .menu a.on{color:var(--blue)}
.nav-r{display:flex;align-items:center;gap:14px}
.nav-login{white-space:nowrap;border:1px solid currentColor;border-radius:999px;padding:7px 18px;font-size:14px;opacity:.95}
.nav.solid .nav-login{color:var(--blue)}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold2));display:grid;place-items:center;font-weight:700;color:var(--navy);border:0;cursor:pointer;overflow:hidden;flex-shrink:0}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar.lg{width:72px;height:72px;font-size:28px}.avatar.xl{width:96px;height:96px;font-size:36px}
.umenu{position:relative}
.umenu-pop{display:none;position:absolute;right:0;top:48px;background:#fff;color:var(--ink);border-radius:14px;box-shadow:0 20px 50px rgba(11,22,51,.18);min-width:180px;padding:8px;border:1px solid var(--line)}
.umenu.open .umenu-pop{display:block}
.umenu-pop a,.umenu-pop button{display:block;width:100%;text-align:left;padding:9px 12px;border-radius:8px;font-size:14px;background:none;border:0;cursor:pointer}
.umenu-pop a:hover,.umenu-pop button:hover{background:#F2F4F9}
.umenu-name{padding:8px 12px 10px;border-bottom:1px solid var(--line);margin-bottom:6px;font-weight:600}
.umenu-name small{display:block;font-weight:400;color:var(--muted);font-size:12px}
.burger{display:none;width:40px;height:40px;border:0;background:none;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:9px}
.burger i{display:block;height:2px;background:currentColor;border-radius:2px}

/* 提示 */
.flash{position:fixed;top:84px;left:50%;transform:translateX(-50%);z-index:60;background:#fff;border-radius:12px;padding:14px 44px 14px 20px;box-shadow:0 16px 40px rgba(11,22,51,.18);font-size:15px;max-width:min(560px,92vw);border-left:4px solid var(--green)}
.flash.err{border-left-color:var(--red)}
.flash-x{position:absolute;right:10px;top:8px;border:0;background:none;font-size:22px;cursor:pointer;color:var(--muted)}

/* 首屏 */
.hero{position:relative;min-height:760px;background-size:cover;background-position:center 40%;color:#fff;display:flex;flex-direction:column;justify-content:flex-end}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,16,40,.93) 0%,rgba(8,16,40,.76) 42%,rgba(8,16,40,.18) 78%)}
.hero-in{position:relative;padding-top:180px;padding-bottom:150px;width:100%}
.hero-in>*{max-width:760px}
.eyebrow{font-size:13px;letter-spacing:.3em;color:var(--gold);margin-bottom:22px}
.hero h1{font-size:clamp(36px,5.2vw,64px);line-height:1.2;letter-spacing:.02em}
.hero p{font-size:clamp(16px,1.5vw,19px);line-height:1.85;opacity:.88;margin:26px 0 36px;max-width:620px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero>.wrap:last-child{position:relative;width:100%}
.stats{position:absolute;left:32px;right:32px;bottom:-70px;background:#fff;color:var(--ink);border-radius:var(--r);display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 30px 60px rgba(11,22,51,.14)}
.stats div{padding:28px 32px;border-right:1px solid var(--line)}
.stats div:last-child{border:0}
.stats b{font-size:40px;color:var(--blue);font-weight:700;line-height:1.1}
.stats b small{font-size:16px;margin-left:4px}
.stats span{display:block;color:var(--muted);font-size:14px;margin-top:6px}
.after-hero{height:70px}

/* 通用区块 */
.sec{padding:110px 32px 40px}
.sec2{padding-top:70px;padding-bottom:40px}
.sh{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.k{font-size:12px;letter-spacing:.3em;color:var(--gold);margin-bottom:12px}
.sh h2{font-size:clamp(28px,3vw,40px)}
.sh p{color:var(--muted);max-width:420px;line-height:1.8}
.more{color:var(--blue);font-weight:500;font-size:15px}
.tag{display:inline-block;font-size:12px;padding:4px 12px;border-radius:999px;background:#EEF2FC;color:var(--blue);margin-bottom:16px}
.tag.gold{background:rgba(200,163,90,.2);color:var(--gold);margin:0 0 0 10px}

/* 课程卡片 */
.courses{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px}
.card{background:#fff;border-radius:var(--r);padding:32px;border:1px solid var(--line);position:relative;overflow:hidden;display:block;transition:transform .2s,box-shadow .2s}
a.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(11,22,51,.1)}
.card h3{font-size:22px;margin-bottom:10px}
.card p{color:var(--muted);line-height:1.8;font-size:15px}
.card .more{display:inline-block;margin-top:18px}
.card.feat{background:var(--navy);color:#fff;border:0;grid-row:span 2;display:flex;flex-direction:column}
.card.feat::after{content:"";position:absolute;right:-80px;bottom:-80px;width:320px;height:320px;background:url(/img/logo_w.png) center/contain no-repeat;opacity:.07}
.card.feat .tag{background:rgba(200,163,90,.18);color:var(--gold)}
.card.feat h3{font-size:34px}
.card.feat p{color:rgba(255,255,255,.75)}
.card ul{list-style:none;margin:24px 0;display:grid;gap:12px}
.card li,.citem li{padding-left:22px;position:relative;font-size:15px}
.card li::before,.citem li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:2px;background:var(--gold)}
.price{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:12px;font-size:14px;color:var(--gold2);position:relative;z-index:1}
.card.feat .more{color:var(--gold);margin:0}

/* 校园 */
.campus{background:var(--navy);color:#fff;padding:100px 0;margin-top:100px}
.campus-in{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;align-items:center}
.campus h2{font-size:clamp(28px,3vw,40px);margin-bottom:20px}
.campus p{opacity:.78;line-height:1.9}
.feat4{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:32px 0}
.feat4 div{border-top:1px solid rgba(255,255,255,.2);padding-top:14px}
.feat4 b{display:block;font-size:17px;margin-bottom:4px;color:var(--gold)}
.feat4 span{opacity:.7;font-size:14px}
.photos{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:230px 230px;gap:14px}
.photos div{border-radius:14px;background-size:cover;background-position:center}
.photos div:first-child{grid-row:span 2}

/* 路径 */
.path{display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-radius:var(--r);border:1px solid var(--line)}
.path div{padding:30px 28px;border-right:1px solid var(--line)}
.path div:last-child{border:0}
.path em{font-style:normal;font-size:44px;color:#E7E3D8;font-weight:700;line-height:1}
.path h4{font-size:18px;margin:10px 0 2px}
.path small{color:var(--gold);font-size:13px}
.path p{color:var(--muted);font-size:14px;line-height:1.7;margin-top:8px}

/* 作品 */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.work{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line);transition:.2s}
.work:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(11,22,51,.1)}
.wcv{aspect-ratio:16/10;background-size:cover;background-position:center;position:relative;background-color:#DDE1EA}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:rgba(11,22,51,.6);color:#fff;display:grid;place-items:center;font-size:20px;padding-left:4px}
.ai-mark{position:absolute;left:12px;top:12px;font-size:11px;background:rgba(11,22,51,.72);color:#fff;padding:3px 8px;border-radius:6px;letter-spacing:.05em}
.ai-mark.inline{position:static;display:inline-block}
.wbd{padding:18px 20px 20px}.wbd .tag{margin-bottom:8px}
.wbd h4{font-size:17px;margin-bottom:4px}.wbd small{color:var(--muted)}

/* 企业合作 */
.coop4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.coop4 a{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 24px;transition:.2s;border-top:3px solid var(--gold)}
.coop4 a:hover{box-shadow:0 14px 30px rgba(11,22,51,.08)}
.coop4 b{display:block;font-size:19px;margin-bottom:6px;font-family:var(--serif)}
.coop4 span{color:var(--muted);font-size:14px}
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.logos div{height:84px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:#8A90A0;font-size:14px;padding:12px;text-align:center}
.logos img{max-height:56px;object-fit:contain}

/* 知识学堂卡 */
.kb{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.kbc{padding:0}
.kbc .cv{height:160px;background:linear-gradient(135deg,var(--blue),var(--navy));position:relative}
.kbc .cv::after{content:"";position:absolute;right:-30px;bottom:-40px;width:160px;height:160px;background:url(/img/logo_w.png) center/contain no-repeat;opacity:.08}
.kbc .cv span{position:absolute;left:24px;bottom:18px;color:#fff;font-size:22px;font-weight:700;font-family:var(--serif)}
.kbc .cv i{position:absolute;right:20px;top:18px;font-style:normal;font-size:12px;background:rgba(255,255,255,.14);color:#fff;padding:4px 10px;border-radius:999px}
.kbc .bd{padding:20px 24px 24px}
.soon{display:inline-block;margin-top:12px;font-size:13px;color:var(--gold);border:1px solid var(--gold);border-radius:999px;padding:2px 10px}

/* 新闻 */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ncard{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line);transition:.2s;display:flex;flex-direction:column}
.ncard:hover{box-shadow:0 18px 40px rgba(11,22,51,.1)}
.ncv{aspect-ratio:16/9;background-size:cover;background-position:center;background-color:#DDE1EA}
.nbd{padding:20px 22px 24px}
.nbd small{color:var(--gold);font-size:13px}
.nbd h4{font-size:18px;margin:6px 0 8px;line-height:1.5}
.nbd p{color:var(--muted);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* CTA 与页脚 */
.cta{margin-top:90px;border-radius:22px;background:linear-gradient(110deg,var(--blue),var(--navy));color:#fff;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:24px;transform:translateY(60px);position:relative;z-index:1}
.cta h3{font-size:clamp(24px,2.6vw,34px)}
.cta p{opacity:.8;margin-top:10px}
.cta-r{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.cta-tel{font-size:22px;color:var(--gold);font-weight:700;letter-spacing:.04em}
.foot{background:var(--navy2);color:rgba(255,255,255,.72);padding:130px 0 36px;font-size:14px;line-height:2}
.foot-in{max-width:var(--w);margin:0 auto;padding:0 32px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot .brand b{color:#fff}
.foot-brand p{margin-top:14px}
.foot h5{color:#fff;font-size:15px;margin-bottom:10px}
.foot .tel{font-size:26px;color:var(--gold);font-weight:700;line-height:1.3;display:block}
.foot a:hover{color:#fff}
.foot .muted{color:rgba(255,255,255,.45)}
.copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;margin-top:10px;font-size:12px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* 浮动联系 */
.float{position:fixed;right:20px;bottom:90px;z-index:40;display:flex;flex-direction:column;gap:10px}
.float a,.float button{width:54px;height:54px;border-radius:50%;background:#fff;box-shadow:0 10px 30px rgba(11,22,51,.18);display:grid;place-items:center;position:relative;border:0;cursor:pointer;color:var(--blue)}
.float svg{width:22px;height:22px;fill:currentColor}
.float .f-visit{background:var(--gold);color:var(--navy)}
.float span{position:absolute;right:64px;white-space:nowrap;background:var(--navy);color:#fff;padding:8px 14px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;text-align:left}
.float span b{display:block;color:var(--gold);font-size:16px}
.float a:hover span{opacity:1}
.f-top{opacity:0;pointer-events:none;transition:.2s}.f-top.show{opacity:1;pointer-events:auto}
.mbar{display:none}

/* 内页头 */
.phead{background:var(--navy) center/cover;color:#fff;position:relative;padding:90px 0 70px}
.phead::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,16,40,.94),rgba(8,16,40,.7))}
.phead .wrap{position:relative}
.phead h1{font-size:clamp(30px,4vw,46px)}
.phead p{opacity:.8;margin-top:12px;max-width:640px;line-height:1.8}
.crumb{color:var(--muted);font-size:14px}.crumb:hover{color:var(--blue)}

/* 正文 */
.prose{font-size:16px;line-height:1.95;color:#2A3350}
.prose>*+*{margin-top:1em}
.prose h2{font-size:24px;font-family:var(--serif);margin-top:1.6em;color:var(--ink)}
.prose h3{font-size:19px;margin-top:1.4em;color:var(--ink)}
.prose ul,.prose ol{padding-left:1.4em}.prose li+li{margin-top:.4em}
.prose img,.prose video{border-radius:12px;margin:1.2em auto;height:auto}
.prose iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:12px}
.prose blockquote{border-left:3px solid var(--gold);padding:10px 18px;background:#FAF8F2;border-radius:0 10px 10px 0}
.prose a{color:var(--blue);text-decoration:underline}
.prose table{border-collapse:collapse;width:100%}.prose td,.prose th{border:1px solid var(--line);padding:8px 10px}
.prose.lead{font-size:17px;max-width:860px}
.art h1{font-size:clamp(26px,3.4vw,38px);margin:14px 0 8px;line-height:1.35}
.art-cover{width:100%;border-radius:16px;margin:24px 0}
.prevnext{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:40px;padding-top:20px;font-size:15px;color:var(--blue)}

/* 关于 */
.about{display:grid;grid-template-columns:1fr 320px;gap:50px;align-items:start}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;position:sticky;top:100px}
.info-card h4{font-size:14px;color:var(--muted);font-weight:500;margin-top:14px}.info-card h4:first-child{margin-top:0}
.info-card p{margin:4px 0 8px}.info-card .btn{margin-top:12px}
.tel2 a{font-size:24px;font-weight:700;color:var(--blue)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery figure{background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.gallery img{aspect-ratio:4/3;object-fit:cover;width:100%}
.gallery figcaption{padding:10px 14px;font-size:14px;color:var(--muted)}
.teachers{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.teacher{background:#fff;border-radius:16px;padding:24px;border:1px solid var(--line);text-align:center}
.tph{width:110px;height:110px;border-radius:50%;margin:0 auto 14px;background:#EEF0F4 center/cover}
.teacher small{color:var(--gold)}.teacher p{color:var(--muted);font-size:14px;margin-top:8px;text-align:left}
.timeline{list-style:none;border-left:2px solid var(--line);padding-left:26px}
.timeline li{position:relative;padding:0 0 22px}
.timeline li::before{content:"";position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--gold)}
.timeline b{display:block;color:var(--blue)}

/* 课程页 */
.clist{display:grid;gap:18px}
.citem{display:grid;grid-template-columns:1.3fr 1fr 200px;gap:30px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 34px;transition:.2s}
.citem:hover{box-shadow:0 18px 40px rgba(11,22,51,.08)}
.citem.feat{background:var(--navy);color:#fff;border:0}
.citem.feat .tag{background:rgba(200,163,90,.18);color:var(--gold)}
.citem h3{font-size:26px;margin-bottom:6px}
.citem p{color:var(--muted);line-height:1.8}.citem.feat p,.citem.feat small{color:rgba(255,255,255,.72)}
.citem small{display:block;margin-top:8px;color:var(--muted);font-size:13px}
.citem ul{list-style:none;display:grid;gap:8px}
.citem-r{text-align:right;font-size:14px;color:var(--muted)}.citem.feat .citem-r{color:var(--gold2)}
.citem-r b{display:block;color:var(--blue);margin-top:10px;font-size:15px}.citem.feat .citem-r b{color:var(--gold)}
.chero{background:var(--navy) center/cover;color:#fff;position:relative;padding:70px 0 60px}
.chero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,16,40,.95),rgba(8,16,40,.72))}
.chero .wrap{position:relative}.chero .crumb{color:rgba(255,255,255,.65)}
.chero h1{font-size:clamp(30px,4vw,48px);margin:18px 0 10px}
.chero p{opacity:.85;max-width:640px;font-size:17px}
.chero-meta{display:flex;gap:24px;flex-wrap:wrap;margin:18px 0 26px;font-size:14px;opacity:.8}
.cgrid{display:grid;grid-template-columns:1fr 380px;gap:50px;padding-top:50px;padding-bottom:40px;align-items:start}
.cmain section{margin-bottom:46px}
.cmain h2{font-size:26px;margin-bottom:18px}
.hl{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hl div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:flex;gap:14px;align-items:center}
.hl em{font-style:normal;font-weight:700;font-size:22px;color:var(--gold)}
.checks{list-style:none;display:grid;gap:10px}
.checks li{background:#fff;border-radius:12px;padding:12px 16px 12px 44px;position:relative;border:1px solid var(--line)}
.checks li::before{content:"✓";position:absolute;left:16px;top:12px;color:var(--green);font-weight:700}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.sched{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;font-size:15px}
.sched th{background:var(--navy);color:#fff;font-weight:500;text-align:left;padding:12px 14px}
.sched td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.sched td:nth-child(-n+2){white-space:nowrap;color:var(--blue);font-weight:500}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.faq summary{padding:16px 20px;cursor:pointer;font-weight:500}
.faq details p{padding:0 20px 18px;color:var(--muted);line-height:1.8}
.sticky{position:sticky;top:96px}
.works.three{grid-template-columns:repeat(3,1fr)}

/* 表单 */
.lead-form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;display:grid;gap:14px;box-shadow:0 20px 50px rgba(11,22,51,.06)}
.lead-form h3{font-size:22px;font-family:var(--serif)}
label{display:grid;gap:6px;font-size:14px;color:#3A4460}
label i{color:var(--red);font-style:normal}
input,select,textarea{width:100%;border:1px solid #D9DCE3;border-radius:10px;padding:11px 13px;font-size:15px;background:#fff;transition:border .2s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--blue2);box-shadow:0 0 0 3px rgba(43,85,214,.12)}
textarea{resize:vertical}
.check{display:block;position:relative;padding-left:22px;font-size:13px;color:var(--muted);line-height:1.6}
.check input{width:auto;position:absolute;left:0;top:3px}
.check a{color:var(--blue)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lead-form .grid2{grid-template-columns:1fr}
.coop-form .lead-form .grid2,.contact .lead-form .grid2{grid-template-columns:1fr 1fr}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{font-size:14px}.form-msg.ok{color:var(--green)}.form-msg.err{color:var(--red)}
.form-err{background:#FDF0EE;color:var(--red);border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:14px}
.hint{font-size:12px;color:#8A90A0}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filters a{padding:7px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px}
.filters a.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.pager{display:flex;gap:8px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.pager a,.pager span{min-width:40px;height:40px;padding:0 12px;border-radius:10px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);font-size:14px}
.pager a.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.empty{text-align:center;padding:70px 20px;background:#fff;border-radius:var(--r);border:1px dashed var(--line);color:var(--muted)}
.empty b{display:block;font-size:20px;color:var(--ink);margin-bottom:8px}
.notice{background:#FAF6EC;border:1px solid #EFE2C2;border-radius:12px;padding:14px 18px;font-size:14px;color:#6B5A2E;margin:20px 0}
.notice.big{font-size:16px;padding:20px 24px;margin:0 0 30px}.notice a{color:var(--blue);text-decoration:underline}
.errbox{text-align:center;padding:120px 32px}
.errcode{font-size:90px;font-weight:700;color:#E3E1DA;line-height:1}
.errbox h1{font-size:32px;margin:10px 0}.errbox p{color:var(--muted);margin-bottom:20px}

/* 作品详情 */
.wdetail h1{font-size:clamp(26px,3.4vw,38px);margin:12px 0 6px}
.media{margin:24px 0;border-radius:16px;overflow:hidden;background:#000}
.media video,.media img{width:100%;max-height:78vh;object-fit:contain;margin:0 auto}

/* 企业合作页 */
.coop-list{display:grid;gap:18px;margin-top:36px}
.coop{display:grid;grid-template-columns:320px 1fr;gap:40px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px;scroll-margin-top:100px}
.coop h3{font-size:26px}
.plist{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.pcard img{height:54px;object-fit:contain;margin-bottom:12px}
.pcard small{color:var(--gold)}.pcard p{color:var(--muted);font-size:14px;margin-top:6px}
.coop-form{max-width:820px;margin:0 auto}

/* 联系页 */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.cinfo{display:grid;gap:14px}
.ci{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px}
.ci small{color:var(--muted);font-size:13px;display:block;margin-bottom:4px}
.ci .big{font-size:32px;font-weight:700;color:var(--blue);letter-spacing:.02em}
.ci .addr{font-size:18px;margin-bottom:12px}
.cimg{border-radius:16px;aspect-ratio:16/9;object-fit:cover;width:100%}
#visit{scroll-margin-top:100px}

/* 登录注册 */
.auth-body{background:var(--paper)}
.auth-wrap{display:grid;grid-template-columns:1fr 560px;min-height:100vh}
.auth-side{background:var(--navy) center/cover;position:relative;color:#fff}
.auth-side::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(8,16,40,.92),rgba(8,16,40,.6))}
.auth-side-in{position:relative;height:100%;display:flex;flex-direction:column;justify-content:space-between;padding:40px 56px 64px}
.auth-quote h2{font-size:clamp(28px,3vw,44px);line-height:1.3}
.auth-main{display:flex;flex-direction:column;justify-content:center;padding:40px 56px}
.auth-card h1{font-size:30px;margin-bottom:6px}
.auth-card>.muted{margin-bottom:22px}
.aform{display:grid;gap:14px}
.cap-row{display:flex;gap:10px;align-items:center}
.cap-row input{flex:1;min-width:0}
.captcha{border-radius:8px;cursor:pointer;flex-shrink:0;border:1px solid var(--line)}
.send-code{flex-shrink:0;min-width:120px}
.tabs{display:flex;gap:6px;background:#ECEBE5;border-radius:12px;padding:4px;margin-bottom:18px}
.tabs button{flex:1;border:0;background:none;padding:10px;border-radius:9px;cursor:pointer;font-size:15px;color:var(--muted)}
.tabs button.on{background:#fff;color:var(--ink);font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.tabpane{display:none}.tabpane.on{display:grid}
.row-between{display:flex;justify-content:space-between;align-items:center;font-size:14px}.row-between a{color:var(--blue)}
.alt{margin-top:22px;text-align:center;font-size:14px;color:var(--muted)}.alt a{color:var(--blue);font-weight:500}
.auth-back{margin-top:30px;text-align:center;font-size:14px;color:var(--muted)}
.devnote{font-size:12px;color:#8A6D1F;background:#FBF4E2;border-radius:8px;padding:8px 10px}
.devcode{font-size:13px;color:#8A6D1F;background:#FBF4E2;border-radius:8px;padding:6px 10px;margin-top:6px}

/* 个人中心 */
.acc{display:grid;grid-template-columns:240px 1fr;gap:30px;align-items:start;padding-bottom:80px}
.acc-side{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;display:grid;gap:4px;position:sticky;top:96px}
.acc-me{text-align:center;padding:10px 0 18px;border-bottom:1px solid var(--line);margin-bottom:10px;display:grid;justify-items:center;gap:6px}
.acc-me small{color:var(--muted)}
.acc-side a{padding:10px 14px;border-radius:10px;font-size:15px;display:flex;justify-content:space-between}
.acc-side a.on{background:#EEF2FC;color:var(--blue);font-weight:500}
.acc-side em{font-style:normal;font-size:11px;color:var(--gold);border:1px solid var(--gold);border-radius:999px;padding:0 6px}
.acc-main{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 36px}
.acc-main h2{font-size:24px;margin-bottom:22px}
.aform.wide{max-width:680px}
.av-edit{display:flex;align-items:center;gap:18px}
.ro{display:flex;gap:24px;flex-wrap:wrap;font-size:14px;color:var(--muted);background:#F7F7F4;border-radius:10px;padding:12px 16px}
.sec-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.box{border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:20px}
.sec-grid .box{margin:0}
.box h3{font-size:17px;margin-bottom:6px}
.box.danger{border-color:#F0C2BC}
.inline-form{display:flex;gap:10px;margin-top:10px;max-width:460px}
table.mini{width:100%;border-collapse:collapse;font-size:14px}
table.mini td,table.mini th{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left}
table.mini th{color:var(--muted);font-weight:500}

/* 响应式 */
@media (max-width:1200px){.menu{gap:18px;font-size:14px}.brand small{display:none}}
@media (max-width:1060px){
  .burger{display:flex}
  .menu{position:fixed;top:0;right:0;bottom:0;width:min(300px,82vw);background:#fff;color:var(--ink);flex-direction:column;gap:0;padding:80px 24px 24px;box-shadow:-20px 0 50px rgba(0,0,0,.2);display:none;z-index:70}
  .menu.open{display:flex;animation:menuIn .22s ease-out}
  .menu a{padding:14px 4px;border-bottom:1px solid var(--line);opacity:1;font-size:16px}
  .menu a.on{color:var(--blue)}.menu a.on::after{display:none}
  .burger{position:relative;z-index:71}.nav.menu-open .burger{color:var(--ink)}
  .courses{grid-template-columns:1fr 1fr}.card.feat{grid-column:1/-1;grid-row:auto}
  .campus-in,.about,.cgrid,.contact,.coop{grid-template-columns:1fr}
  .path{grid-template-columns:1fr 1fr}.path div{border-bottom:1px solid var(--line)}
  .works,.news,.kb,.works.three{grid-template-columns:1fr 1fr}
  .coop4{grid-template-columns:1fr 1fr}.logos{grid-template-columns:repeat(3,1fr)}
  .teachers,.plist{grid-template-columns:1fr 1fr}
  .citem{grid-template-columns:1fr}.citem-r{text-align:left}
  .foot-in{grid-template-columns:1fr 1fr}
  .auth-wrap{grid-template-columns:1fr}.auth-side{display:none}
  .info-card,.sticky{position:static}
}
@media (max-width:680px){
  body{font-size:15px}
  .wrap,.nav-in,.foot-in{padding-left:16px;padding-right:16px}
  .sec{padding:80px 16px 20px}
  .brand b{font-size:15px}.brand img{width:38px;height:38px}
  .nav-login{padding:6px 12px;font-size:13px}
  .hero{min-height:auto}
  .hero-in{padding-top:130px;padding-bottom:40px}
  .stats{position:static;grid-template-columns:1fr 1fr;margin:0 0 -40px;transform:translateY(0)}
  .stats div{padding:18px;border-bottom:1px solid var(--line)}
  .stats b{font-size:30px}
  .hero>.wrap:last-child{padding-bottom:0}
  .after-hero{height:50px}
  .sh{flex-direction:column;align-items:flex-start;margin-bottom:26px}
  .courses,.works,.news,.kb,.works.three,.gallery,.teachers,.plist,.hl,.sec-grid{grid-template-columns:1fr}
  .coop4{grid-template-columns:1fr 1fr}.coop4 a{padding:18px}
  .logos{grid-template-columns:1fr 1fr}
  .path{grid-template-columns:1fr}
  .photos{grid-template-rows:150px 150px}
  .campus{padding:64px 0;margin-top:70px}
  .card{padding:24px}.card.feat h3{font-size:28px}
  .cta{flex-direction:column;align-items:flex-start;padding:34px 26px}.cta-r{align-items:flex-start}
  .foot{padding-bottom:90px}.foot-in{grid-template-columns:1fr;gap:24px}
  .grid2,.coop-form .lead-form .grid2,.contact .lead-form .grid2{grid-template-columns:1fr}
  .float{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1.4fr;position:fixed;left:0;right:0;bottom:0;z-index:45;background:#fff;box-shadow:0 -6px 20px rgba(0,0,0,.08);padding:8px 10px calc(8px + env(safe-area-inset-bottom));gap:10px}
  .mbar a{text-align:center;padding:12px;border-radius:999px;border:1px solid var(--blue);color:var(--blue);font-weight:500}
  .mbar a.gold{background:var(--gold);border-color:var(--gold);color:var(--navy)}
  .acc{grid-template-columns:1fr}.acc-side{position:static}.acc-main{padding:22px 18px}
  .auth-main{padding:28px 18px}
  .coop{padding:22px;gap:14px}
  .lead-form{padding:20px}
  .phead{padding:60px 0 44px}
  .flash{top:70px}
}

/* ========== 第二期：多联系人 ========== */
.fcontact+.fcontact{margin-top:8px}
.float .f-tel{position:relative}
.float .f-tel>a{width:54px;height:54px;border-radius:50%;background:#fff;box-shadow:0 10px 30px rgba(11,22,51,.18);display:grid;place-items:center;color:var(--blue)}
.float .f-pop{position:absolute;right:64px;top:0;background:var(--navy);color:#fff;padding:10px 14px;border-radius:12px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;white-space:nowrap;display:grid;gap:6px}
.float .f-pop a{position:static;width:auto;height:auto;background:none;box-shadow:none;border-radius:0;display:block;color:#fff}
.float .f-pop small{display:block;opacity:.7;font-size:12px}.float .f-pop b{color:var(--gold);font-size:16px}
.float .f-tel:hover .f-pop,.float .f-tel:focus-within .f-pop{opacity:1;pointer-events:auto}
.ci-c+.ci-c{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.cta-tel small{font-size:13px;color:rgba(255,255,255,.7);font-weight:400;margin-right:4px}

/* 头像 = 进入工作台；电脑端悬停出菜单 */
.umenu .avatar{text-decoration:none}
.umenu::after{content:"";position:absolute;left:-20px;right:-10px;top:100%;height:14px}
@media (hover:hover){.umenu:hover .umenu-pop,.umenu:focus-within .umenu-pop{display:block}}

/* ========== 个人工作台 ========== */
.acc-side h6{font-size:11px;letter-spacing:.2em;color:#9AA0AE;font-weight:400;margin:14px 14px 4px}
.acc-me{color:inherit}
.acc.wide{grid-template-columns:220px 1fr}
.me-hello{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.me-hello h2{font-size:26px;margin-bottom:4px}
.wgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.wcard{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fff;display:block}
.wcard-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.wcard-h h3{font-size:16px}.wcard-h a{color:var(--blue);font-size:13px}
.todo{list-style:none;display:grid;gap:8px}
.todo li{display:flex;justify-content:space-between;align-items:center;gap:10px;background:#FAF8F2;border-radius:10px;padding:10px 12px;font-size:14px}
.todo li.done{background:#EFF7F2;color:var(--green)}.todo em{font-style:normal;color:var(--green);font-size:13px}
.rv{list-style:none;display:grid;gap:10px}.rv li{border-left:3px solid var(--gold);padding:4px 0 4px 12px}.rv p{font-size:14px;color:var(--muted);margin-top:4px}
.big-num{font-size:40px;font-weight:700;color:var(--blue);line-height:1.2}.big-num small{font-size:14px;color:var(--muted);font-weight:400}
.clinks{list-style:none;display:grid;gap:8px}.clinks li{display:flex;justify-content:space-between;gap:10px;font-size:14px;border-bottom:1px dashed var(--line);padding-bottom:6px}.clinks a{color:var(--blue)}.clinks small{color:var(--muted);white-space:nowrap}
.stat-row{display:flex;gap:10px}.stat-row span{background:#F4F6FB;border-radius:10px;padding:8px 14px;font-size:12px;color:var(--muted);text-align:center}.stat-row b{display:block;font-size:22px;color:var(--blue)}
.mt{margin-top:26px;margin-bottom:12px}
.tabs2{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:0 0 20px;overflow-x:auto}
.tabs2 a{padding:10px 16px;font-size:15px;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}.tabs2 a.on{color:var(--blue);border-color:var(--blue);font-weight:500}
.filters.sm a{padding:4px 12px;font-size:13px}
.kv2{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.kv2 div{background:#F7F7F4;border-radius:12px;padding:14px}.kv2 small{display:block;color:var(--muted);font-size:12px}.kv2 b{font-size:17px}
.mates{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.mate{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;border:1px solid var(--line);border-radius:12px;padding:16px 10px;background:#fff}.mate small{color:var(--muted);font-size:12px}
.clist2{display:grid;gap:12px}
.asg-list{display:grid;gap:12px}.asg{display:flex;justify-content:space-between;gap:16px;border:1px solid var(--line);border-radius:12px;padding:16px 18px}.asg small{color:var(--gold)}.asg h4{font-size:17px;margin:2px 0 6px}.asg-r{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex-shrink:0}.ok{color:var(--green);font-size:14px}
.asg-brief{background:#FAF8F2;border-radius:14px;padding:18px 20px;margin-bottom:20px}.asg-brief small{color:var(--gold)}.asg-brief h3{font-size:20px;margin:4px 0 8px}
.prose.small{font-size:14px;line-height:1.8}
.rgroup{margin-bottom:18px}.rgroup h4{font-size:14px;color:var(--gold);margin-bottom:8px;letter-spacing:.05em}
.res{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:8px;background:#fff}
.ri{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:#EEF2FC;font-size:18px;flex-shrink:0}.ri.k-tutorial{background:#FDF0EE;color:var(--red)}.ri.k-tool{background:#FFF4DC}
.rb{flex:1;min-width:0}.rb b{display:block}.rb small{color:var(--muted);font-size:12px}.rb p{font-size:13px;color:var(--muted)}
.ra{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.hw-list{display:grid;gap:14px}
.hw{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fff}
.hw-h{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:8px}.hw-h small{display:block;color:var(--muted);font-size:12px}
.hw-c{font-size:15px;line-height:1.8;margin-bottom:10px;word-break:break-word}
.hw-v{max-height:360px;border-radius:10px;background:#000;margin:8px 0}
.thumbs{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.thumbs img{width:110px;height:80px;object-fit:cover;border-radius:8px}
.thumb-x{display:flex;flex-direction:column;gap:4px;font-size:12px}.thumb-x span{display:flex;gap:4px;align-items:center}.thumb-x input{width:auto}
.reply{margin-top:10px;padding:10px 14px;background:#FAF8F2;border-radius:10px;border-left:3px solid var(--gold);font-size:14px}.reply p{margin-top:4px}
.grade{font-size:12px;padding:2px 10px;border-radius:999px;font-weight:600;white-space:nowrap}.grade.gS{background:#FFF1D6;color:#9A6B00}.grade.gA{background:#E6F4EC;color:var(--green)}.grade.gB{background:#E8EEFC;color:var(--blue)}.grade.gC{background:#F2F2F2;color:#777}
.pill{display:inline-block;font-size:12px;padding:2px 10px;border-radius:999px;background:#EEF0F4;color:var(--muted);white-space:nowrap}.pill.wait{background:#FFF1D6;color:#9A6B00}.pill.done{background:#E6F4EC;color:var(--green)}
.pill.recruiting{background:#FFF1D6;color:#9A6B00}.pill.open{background:#E6F4EC;color:var(--green)}
.upl-bar{height:30px;border-radius:8px;background:#EEF0F4;position:relative;overflow:hidden}.upl-bar i{position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,var(--blue),var(--blue2));transition:width .2s}.upl-bar span{position:relative;font-size:13px;line-height:30px;padding-left:12px;color:#fff;mix-blend-mode:difference}
.share-box{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;background:linear-gradient(110deg,#F2F5FC,#FAF8F2);border-radius:14px;padding:18px 20px;margin-bottom:22px;flex-wrap:wrap}.share-box h3{font-size:16px}
.share-url{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.share-url input{flex:1;min-width:220px;font-size:13px}
.share-ops{display:flex;gap:8px}
.work-wrap{display:flex;flex-direction:column;gap:6px}.wflags{display:flex;gap:10px;font-size:12px;flex-wrap:wrap}.wflags a{color:var(--blue);margin-left:auto}.wflags .gold{color:#9A6B00}
.wd h2{font-size:28px;margin:10px 0 4px}
.gallery2{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;margin:18px 0}.gallery2 img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px}
.cover-prev{width:220px;border-radius:10px;margin:6px 0}
.kb2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.kc{border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:block}.kc b{display:block;color:var(--blue)}.kc small{color:var(--muted)}.kc.expired{opacity:.6}
.sug{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-top:12px}.sug-h{display:flex;gap:10px;align-items:center;margin-bottom:6px}.sug-h .tag{margin:0}.sug-h small{color:var(--muted)}.sug-h .pill{margin-left:auto}
.center{text-align:center}.green{color:var(--green)}
.box h3+.muted{margin-bottom:10px}

/* 学员社区 / 博客 */
.posts{display:grid;gap:14px}
.post-card{display:flex;gap:16px;border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff}
.pc-img{width:150px;flex-shrink:0;border-radius:10px;background:#EEF0F4 center/cover;aspect-ratio:4/3}
.pc-b{flex:1;min-width:0}.pc-b h3{font-size:18px;margin:6px 0 4px}.pc-b p{color:var(--muted);font-size:14px;line-height:1.7}
.pc-u{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.pc-u a{display:flex;align-items:center;gap:8px}.pc-u .avatar{width:30px;height:30px;font-size:13px}.pc-u small{color:var(--muted);font-size:12px}
.pc-m{display:flex;gap:14px;align-items:center;font-size:12px;color:var(--muted);margin-top:8px}.pc-m .tag{margin:0}
.post-full h1{font-size:30px;margin:12px 0 10px;line-height:1.35}
.post-c{font-size:16px;line-height:1.95;margin:20px 0;word-break:break-word}.post-c a{color:var(--blue)}
.post-ops{display:flex;gap:8px;margin:12px 0;flex-wrap:wrap}.post-ops form{display:inline}
.cmts{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.cmts h3{font-size:17px;margin-bottom:12px}
.cmt{display:flex;gap:10px;padding:12px 0;border-bottom:1px dashed var(--line)}.cmt .avatar{width:32px;height:32px;font-size:13px}.cmt>div{flex:1;min-width:0}
.cmt-h{display:flex;gap:8px;align-items:center;font-size:13px}.cmt-h small{color:var(--muted)}.cmt-h form{margin-left:auto}.cmt p{font-size:14px;line-height:1.75;margin-top:2px;word-break:break-word}
.lnk{border:0;background:none;color:var(--blue);cursor:pointer;font-size:13px;padding:0}.lnk.red{color:var(--red)}
.badge{font-size:11px;padding:1px 8px;border-radius:999px;background:var(--gold);color:var(--navy);font-weight:700}
.cmt-form{display:grid;gap:8px;margin-top:14px;justify-items:start}.cmt-form textarea{width:100%}
.blog-head{display:flex;gap:18px;align-items:flex-start;background:linear-gradient(110deg,#0B1633,#1C3FAA);color:#fff;border-radius:16px;padding:24px;margin-bottom:22px}
.blog-head .avatar{width:80px;height:80px;font-size:32px}.blog-head h2{font-size:24px}.blog-head p{opacity:.85}.blog-head small{color:rgba(255,255,255,.65)}.blog-head .bio{font-size:14px;margin-top:8px}
.bh-r{margin-left:auto;display:flex;flex-direction:column;gap:8px}.blog-head .btn.line{border-color:rgba(255,255,255,.6);color:#fff}
.blog-grid{display:grid;grid-template-columns:1fr 280px;gap:22px;align-items:start}.blog-grid h3{font-size:17px;margin-bottom:12px}
.guestbook{border:1px solid var(--line);border-radius:14px;padding:16px;background:#FCFBF8;scroll-margin-top:90px}
.pf-head{background:linear-gradient(110deg,#0B1633,#1C3FAA);color:#fff;padding:60px 0 50px}.pf-head .wrap{display:flex;gap:26px;align-items:center}.pf-head h1{font-size:clamp(26px,3.4vw,40px)}.pf-head small{color:rgba(255,255,255,.7)}.pf-head .bio{opacity:.8;max-width:640px;margin-top:8px}

/* 课程页：近期开班 + 学堂 */
.classes{display:grid;gap:10px}
.cls{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;flex-wrap:wrap}.cls b{display:block;font-size:17px}.cls small{color:var(--muted)}
.cls-r{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:14px}.cls-r b{display:inline;color:var(--red);font-size:18px}
.kmeta{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.kmeta small{color:var(--muted)}
.kbadge{font-size:12px;padding:2px 10px;border-radius:999px;background:#EEF0F4;color:var(--muted)}.kbadge.ok{background:#E6F4EC;color:var(--green)}.kbadge.wait{background:#FFF1D6;color:#9A6B00}.kbadge.exp{background:#FDF0EE;color:var(--red)}
.apanel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;display:grid;gap:14px;box-shadow:0 20px 50px rgba(11,22,51,.06)}.apanel h3{font-size:20px;font-family:var(--serif)}.apanel.ok{border-top:3px solid var(--green)}
.ap-box{display:grid;gap:8px;background:#F7F7F4;border-radius:12px;padding:14px}
.code-in{text-transform:uppercase;letter-spacing:.2em;font-family:Consolas,Menlo,monospace;text-align:center}
.sh2{display:flex;justify-content:space-between;align-items:baseline}.sh2 a{color:var(--blue)}
.toc{display:grid;gap:14px}.toc-ch h4{font-size:15px;color:var(--gold);margin-bottom:6px}
.toc-l{display:flex;align-items:center;gap:10px;padding:11px 14px;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:6px;font-size:15px}
.toc-l:hover{border-color:var(--blue)}.toc-l .ln{flex:1}.toc-l small{color:var(--muted);font-size:12px}.toc-l em{font-style:normal;font-size:11px;color:var(--gold);border:1px solid var(--gold);border-radius:999px;padding:0 6px}
.toc-l.locked{color:#8A90A0}.toc-l.done small{color:var(--green)}
.lt{font-size:11px;padding:1px 7px;border-radius:5px;background:#EEF2FC;color:var(--blue);flex-shrink:0}
.tlist{list-style:none;display:grid;gap:8px}.tlist li{border-bottom:1px dashed var(--line);padding-bottom:8px}.tlist a{color:var(--ink);font-weight:500}.tlist small{display:block;color:var(--muted);font-size:12px}
.tlist.big li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px}.tlist.sm a{font-size:14px}
.pin{font-size:11px;color:var(--red);border:1px solid #F0C2BC;border-radius:4px;padding:0 5px;font-weight:400}
.solved{font-size:11px;color:var(--green);border:1px solid #BFE3CF;border-radius:4px;padding:0 5px;font-weight:400}
.toolbar2{display:flex;gap:8px;margin:14px 0}.toolbar2 input{max-width:280px}
.thread{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;margin:14px 0 22px}.thread h1{font-size:26px;margin-bottom:8px}
.rp{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}.rp.teacher{border-left:3px solid var(--gold)}.rp.best{border-color:#BFE3CF;background:#F5FBF7}
.rp-h{display:flex;gap:8px;align-items:center;font-size:14px;flex-wrap:wrap}.rp-h small{color:var(--muted)}.rp-ops{margin-left:auto;display:flex;gap:10px}.rp p{margin-top:6px;font-size:15px;line-height:1.8}

/* 学习页 */
.learn{display:grid;grid-template-columns:270px 1fr 300px;min-height:80vh;border-top:1px solid var(--line)}
.lside{background:#fff;border-right:1px solid var(--line);padding:22px 18px;position:sticky;top:72px;height:calc(100vh - 72px);overflow-y:auto}
.lside h4{font-size:13px;color:var(--muted);letter-spacing:.05em;margin:18px 0 8px}
.ch{padding:9px 12px;border-radius:10px;font-size:14px;display:flex;justify-content:space-between;gap:8px;margin-bottom:2px}.ch:hover{background:#F4F6FB}.ch.on{background:#EEF2FC;color:var(--blue);font-weight:500}.ch i{font-style:normal;font-size:11px;color:var(--muted);flex-shrink:0}.ch.locked{color:#9AA0AE}
.prog{height:6px;border-radius:3px;background:#EEF0F4;margin:14px 0 4px}.prog b{display:block;height:100%;background:var(--blue);border-radius:3px}
.lmain{padding:28px 40px 60px;min-width:0}.lmain h1{font-size:30px;margin:8px 0}
.lmeta{display:flex;gap:14px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.lbody{position:relative;min-height:300px}
.lforum{background:#fff;border-left:1px solid var(--line);padding:22px 18px}.lforum h4{margin-bottom:12px}
.lnav{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:40px;padding-top:18px;color:var(--blue);font-size:15px}
.blur-prev{filter:blur(4px);user-select:none;pointer-events:none;max-height:260px;overflow:hidden}
.lock{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(180deg,rgba(246,245,241,.3),rgba(246,245,241,.95) 40%)}
.lockbox{background:#fff;border-radius:18px;padding:30px 34px;width:min(400px,92%);text-align:center;box-shadow:0 20px 50px rgba(11,22,51,.12);display:grid;gap:12px}.lockbox .lk{font-size:30px}.lockbox form{display:grid;gap:10px}.lockbox a{color:var(--blue)}
.protect{position:relative;-webkit-user-select:none;user-select:none}
.wmark{position:absolute;inset:0;pointer-events:none;overflow:hidden;display:flex;flex-wrap:wrap;align-content:space-around;justify-content:space-around;gap:60px 40px;padding:30px;z-index:3}
.wmark span{transform:rotate(-24deg);color:rgba(22,32,58,.07);font-size:14px;white-space:nowrap}
.viewer{background:#0B1633;border-radius:14px;overflow:hidden;margin:12px 0 20px;position:relative}
.viewer video,.viewer img{width:100%;max-height:78vh;object-fit:contain;display:block;margin:0 auto}.viewer iframe{width:100%;height:78vh;border:0;background:#fff;display:block}.viewer audio{width:100%;margin:30px 0}
.viewer .wmark span{color:rgba(255,255,255,.12)}
.slides{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.slides-in{aspect-ratio:16/9;padding:40px 48px;overflow:auto}.sl-bar{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.toolcard{display:block;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:16px 18px;margin-bottom:18px;background:#fff}.toolcard b{display:block;color:var(--blue);font-size:17px}.toolcard small{color:var(--muted);word-break:break-all}
.prose figure{margin:1.2em 0;text-align:center}.prose figcaption{font-size:13px;color:var(--muted);margin-top:-6px}.prose mark{background:#FFF1D6;color:#7A5500;padding:0 4px;border-radius:4px}.prose .lead{color:var(--gold);font-weight:500}

/* 思维图 */
.mm{position:relative;border:1px solid var(--line);border-radius:14px;background:#FBFBF9;margin:14px 0}
.mm-tools{display:flex;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line);flex-wrap:wrap}.mm-tools input{max-width:220px;padding:6px 10px;font-size:14px}
.mm-tree{overflow:auto;padding:24px;max-height:78vh}
.mm-node{display:flex;align-items:center;position:relative}
.mm-kids{display:flex;flex-direction:column;gap:6px;margin-left:34px;position:relative;padding:4px 0}
.mm-kids>.mm-node::before{content:"";position:absolute;left:-18px;top:50%;width:18px;border-top:2px solid var(--c,#C9CED8)}
.mm-kids>.mm-node::after{content:"";position:absolute;left:-18px;top:0;bottom:0;border-left:2px solid var(--c,#C9CED8)}
.mm-kids>.mm-node:first-child::after{top:50%}.mm-kids>.mm-node:last-child::after{bottom:50%}.mm-kids>.mm-node:only-child::after{display:none}
.mm-kids::before{content:"";position:absolute;left:-34px;top:50%;width:16px;border-top:2px solid var(--c,#C9CED8)}
.mm-node.closed>.mm-kids{display:none}
.mm-lbl{background:#fff;border:1px solid #D6DBE3;border-left:4px solid var(--c,#1C3FAA);border-radius:10px;padding:7px 12px;font-size:14px;cursor:pointer;max-width:260px;display:flex;flex-wrap:wrap;align-items:center;gap:6px;flex-shrink:0;transition:box-shadow .15s}
.mm-lbl:hover{box-shadow:0 6px 16px rgba(11,22,51,.1)}.mm-lbl.on{box-shadow:0 0 0 2px var(--c,#1C3FAA)}.mm-lbl.hit{background:#FFF1D6}
.l0>.mm-lbl{background:var(--navy);color:#fff;border:0;font-size:18px;font-weight:700;padding:14px 18px;flex-direction:column;align-items:flex-start;max-width:220px}.mm-sub{font-size:12px;font-weight:400;opacity:.75}
.l1>.mm-lbl{background:var(--c);color:#fff;border-color:var(--c);font-weight:600;font-size:15px;flex-direction:column;align-items:flex-start}.l1>.mm-lbl .mm-stage{font-size:11px;opacity:.85;font-weight:400}
.mm-caret{font-size:11px;color:var(--c);transition:transform .15s}.mm-node:not(.closed)>.mm-lbl .mm-caret{transform:rotate(90deg)}.l1>.mm-lbl .mm-caret{color:#fff}
.mm-info{font-size:10px;border-radius:4px;padding:0 4px;background:#EEF2FC;color:var(--c,#1C3FAA)}
.mm-panel{position:absolute;right:12px;top:56px;width:min(360px,90%);max-height:calc(100% - 70px);overflow-y:auto;background:#fff;border:1px solid var(--line);border-top:4px solid var(--c);border-radius:12px;padding:18px;box-shadow:0 20px 50px rgba(11,22,51,.18);z-index:5;font-size:14px;line-height:1.8}
.mm-panel h3{font-size:18px;margin-bottom:8px;padding-right:20px}.mm-panel p{margin-bottom:10px}.mm-panel blockquote{background:#FAF8F2;border-left:3px solid var(--gold);padding:8px 12px;border-radius:0 8px 8px 0;margin-bottom:10px}.mm-panel figure img{width:100%;border-radius:8px}.mm-panel figcaption{font-size:12px;color:var(--muted);margin-bottom:10px}.mm-tip b{color:#9A6B00}
.mm-x{position:absolute;right:10px;top:6px;border:0;background:none;font-size:22px;cursor:pointer;color:var(--muted)}

@media (max-width:1200px){.learn{grid-template-columns:240px 1fr}.lforum{grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}}
@media (max-width:1060px){.wgrid,.kb2,.blog-grid{grid-template-columns:1fr}.learn{grid-template-columns:1fr}.lside{position:static;height:auto;max-height:320px;border-right:0;border-bottom:1px solid var(--line)}.kv2{grid-template-columns:1fr 1fr}}
@media (max-width:680px){.lmain{padding:20px 16px 40px}.post-card{flex-direction:column}.pc-img{width:100%}.blog-head{flex-direction:column}.bh-r{margin-left:0;flex-direction:row;flex-wrap:wrap}.pf-head .wrap{flex-direction:column;align-items:flex-start}.slides-in{padding:20px}.asg{flex-direction:column}.asg-r{align-items:flex-start}.res{flex-wrap:wrap}.ra{width:100%;justify-content:flex-start}.mm-panel{position:fixed;left:10px;right:10px;bottom:70px;top:auto;width:auto;max-height:60vh}}

.acc-side a.acc-me{display:grid;justify-items:center;padding:10px 0 18px;border-radius:0}

/* ========== 第三期 ========== */
.bell{position:relative;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;opacity:.9}.bell:hover{background:rgba(127,127,127,.12)}
.bell em{position:absolute;top:2px;right:0;min-width:17px;height:17px;border-radius:9px;background:#E5484D;color:#fff;font-size:10px;font-style:normal;display:grid;place-items:center;padding:0 4px;font-weight:700}
.nav.solid .bell{color:var(--navy)}
.acc-side .cnt{font-style:normal;background:#E5484D;color:#fff;border-radius:999px;font-size:11px;padding:0 7px;border:0}
.block-link{display:block;color:#6B5A2E}.block-link b{color:var(--blue)}
.cal{margin-bottom:18px}.cal-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:5px}
.cal-d{aspect-ratio:1;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:12px;font-weight:700;background:#F2F2F0;color:#B0B4BE;position:relative}
.cal-d i{font-style:normal;font-size:10px;font-weight:400;opacity:.7}
.cal-d.miss{background:#FDF0EE;color:#D8A39C}.cal-d.sub{background:#E8EEFC;color:var(--blue)}.cal-d.ret{background:#FFE7D6;color:#B4541A}
.cal-d.gS{background:#FFE9B8;color:#8A5E00}.cal-d.gA{background:#DDF2E5;color:var(--green)}.cal-d.gB{background:#E8EEFC;color:var(--blue)}.cal-d.gC{background:#EEE;color:#777}
.lgd{display:inline-block;width:10px;height:10px;border-radius:3px;margin:0 3px 0 10px;vertical-align:-1px}.lgd.sub{background:#C9D6F7}.lgd.gS{background:#FFD98A}.lgd.ret{background:#FFC9A3}.lgd.miss{background:#F5CFC9}
.pill.ret{background:#FFE7D6;color:#B4541A}.reply.ret{border-left-color:#E08A4B;background:#FFF5EE}.todo li.ret{background:#FFF5EE}
.vers{margin-top:10px;font-size:13px}.vers summary{cursor:pointer;color:var(--muted)}.ver{border-left:2px solid var(--line);padding:6px 0 6px 12px;margin:8px 0}.ver small{color:var(--muted)}
.msgs{list-style:none;display:grid;gap:8px}.msgs a{display:block;border:1px solid var(--line);border-radius:12px;padding:12px 16px;background:#fff}.msgs li.new a{border-left:4px solid var(--blue);background:#F7F9FF}
.msgs b{display:block;margin:2px 0}.msgs p{font-size:14px;color:var(--muted);white-space:pre-line}.msgs small{color:#9AA0AE;font-size:12px}.mt-t{font-size:11px;color:var(--gold);letter-spacing:.05em}
.anns{display:grid;gap:8px;margin-bottom:16px}.ann{border:1px solid #EFE2C2;background:#FFFBF1;border-radius:12px;padding:10px 14px}.ann summary{cursor:pointer;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.ann summary .tag{margin:0}.ann small{color:var(--muted);margin-left:auto}.ann .prose{margin-top:10px}
.pt-hero{display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:center;background:linear-gradient(110deg,#0B1633,#1C3FAA);color:#fff;border-radius:16px;padding:22px 26px}
.pt-hero small{opacity:.75}.pt-hero>div:first-child b{display:block;font-size:48px;line-height:1.1;color:var(--gold)}.pt-hero .prog{background:rgba(255,255,255,.2)}.pt-hero .prog b{background:var(--gold)}.pt-hero .muted{color:rgba(255,255,255,.6)!important}
.rules{display:flex;flex-wrap:wrap;gap:8px}.rules span{background:#F4F6FB;border-radius:10px;padding:8px 12px;font-size:13px}.rules b{color:var(--green);margin-left:6px}
.lv{display:inline-block;font-size:11px;font-weight:600;border-radius:999px;padding:1px 8px;margin-left:6px;vertical-align:2px;white-space:nowrap;font-family:var(--sans)}
.lv0{background:#EEF0F4;color:#667089}.lv1{background:#E8EEFC;color:var(--blue)}.lv2{background:#DDF2E5;color:var(--green)}.lv3{background:#FFE9B8;color:#8A5E00}.lv4{background:linear-gradient(90deg,#C8A35A,#E9D5A8);color:#0B1633}
.rank{list-style:none;display:grid;gap:6px}.rank li{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:10px 14px;background:#fff}.rank li.me{border-color:var(--blue);background:#F7F9FF}
.rank a{display:flex;align-items:center;gap:8px;flex:1}.rank .avatar{width:32px;height:32px;font-size:13px}.rank .pts{font-weight:700;color:var(--blue);font-size:18px}
.rk{font-style:normal;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#EEF0F4;font-weight:700;font-size:13px}.rk.r1{background:#FFD98A}.rk.r2{background:#E3E6EC}.rk.r3{background:#F2C9A5}
.sc-req{display:flex;gap:14px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:12px;margin-top:10px}.sc-req img{width:120px;height:80px;object-fit:cover;border-radius:8px}.sc-req>div{flex:1}.sc-req.pending{border-color:var(--gold);background:#FFFBF1}.sc-ops{display:flex;flex-direction:column;gap:6px}
.wd-f{display:flex;gap:8px;align-items:center;font-size:12px}
.like{border:1px solid var(--line);background:#fff;border-radius:999px;padding:3px 12px;font-size:13px;cursor:pointer}.like.on{background:#FFF1D6;border-color:#EFD08E;color:#8A5E00}
.feat-t{font-size:11px;color:#8A5E00;background:#FFF1D6;border-radius:4px;padding:0 5px;font-weight:400}
.rep-dlg{border:0;border-radius:16px;padding:22px;width:min(360px,92vw);box-shadow:0 30px 70px rgba(0,0,0,.3)}.rep-dlg::backdrop{background:rgba(11,22,51,.4)}.rep-dlg form{display:grid;gap:8px}.rep-dlg h3{margin-bottom:6px}
.inline-mute{display:inline-flex;gap:6px;align-items:center}.inline-mute select{width:auto;padding:5px 8px;font-size:13px}
.cases{margin-top:34px;border-top:1px solid var(--line);padding-top:20px}.cases h3{font-size:18px;margin-bottom:12px}
.lforum .small{display:block;margin-top:8px;color:var(--blue)}
.rp-h a{color:inherit}
/* 手机端：工作台菜单改为顶部横向滑动 */
@media (max-width:680px){
  .acc-side{display:flex;gap:6px;overflow-x:auto;padding:8px;border-radius:12px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .acc-side::-webkit-scrollbar{display:none}
  .acc-side h6,.acc-side a.acc-me{display:none}
  .acc-side a{flex-shrink:0;padding:8px 12px;font-size:14px;white-space:nowrap}
  .acc{gap:14px}
}
.acc-main{min-width:0}
@media (max-width:680px){
  .acc{grid-template-columns:minmax(0,1fr)}
  .nav-in{gap:8px}.nav-r{gap:4px}.brand{gap:8px;min-width:0}.brand b{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .bell{width:34px;height:34px}.avatar{width:34px;height:34px}.burger{width:36px}
  .mbar{box-sizing:border-box}
  .rank li{flex-wrap:wrap}
}

/* ================= 第四期：AI 创作知识库 ================= */
.zk-head{padding:70px 0 56px}
.zk-head h1{font-size:clamp(28px,3.6vw,44px)}
.zk-crumbs{font-size:13px;opacity:.75;margin-bottom:10px}.zk-crumbs a:hover{color:var(--gold)}
.zk-crumbs.dark{opacity:1;color:var(--muted)}.zk-crumbs.dark a:hover{color:var(--blue)}
.zk-search{display:flex;gap:10px;margin-top:26px;max-width:640px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 6px 6px 20px}
.zk-search input{flex:1;min-width:0;border:0;background:none;color:#fff;outline:0;font-size:15px}.zk-search input::placeholder{color:rgba(255,255,255,.6)}
.zk-search.light{background:#fff;border-color:var(--line)}.zk-search.light input{color:var(--ink)}.zk-search.light input::placeholder{color:#9AA0AE}
.zk-tabs{display:flex;gap:6px;overflow-x:auto;border-bottom:1px solid var(--line);padding-top:6px;scrollbar-width:none}
.zk-tabs a{padding:14px 18px;font-size:15px;white-space:nowrap;border-bottom:2px solid transparent;color:var(--muted)}
.zk-tabs a.on{color:var(--ink);border-color:var(--gold);font-weight:600}.zk-tabs a:hover{color:var(--ink)}
.zk-intro{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center;margin-bottom:44px}
.zk-intro h2{font-size:28px;margin-bottom:12px}.zk-intro p{line-height:1.9}
.zk-flow{list-style:none;display:grid;grid-template-columns:repeat(6,1fr);gap:8px;counter-reset:f}
.zk-flow li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;font-size:13px;line-height:1.4;min-height:66px}
.zk-flow li em{display:block;font-style:normal;color:var(--gold);font-weight:700;font-size:12px;margin-bottom:2px}
.zk-flow li:nth-child(n+4){background:#F9F7F1}.zk-flow li:nth-child(n+7){background:#F2F5FC}.zk-flow li:nth-child(n+10){background:#EEF6F1}
.zk-stages{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:start}
.zk-stage header{background:var(--navy);color:#fff;border-radius:14px;padding:14px 18px;margin-bottom:12px}
.zk-stage header b{font-size:20px;font-family:var(--serif);display:block}.zk-stage header small{opacity:.7;font-size:12px}
.zk-topic{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:12px;transition:.2s}
.zk-topic:hover{border-color:var(--gold);box-shadow:0 10px 24px rgba(11,22,51,.08);transform:translateY(-2px)}
.zk-topic h3{font-size:17px;margin-bottom:6px}.zk-topic p{font-size:13px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.zk-topic small{display:block;margin-top:10px;font-size:12px;color:var(--blue)}
.zk-libs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.zk-libs.big{grid-template-columns:repeat(3,1fr)}
.zk-lib{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.zk-lib:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(11,22,51,.1)}
.zk-lib img{aspect-ratio:16/9;object-fit:cover;width:100%;background:#E9E6DD}
.zk-noimg{aspect-ratio:16/9;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy),var(--blue));color:var(--gold2);font-family:var(--serif);font-size:30px}
.zk-lib div{padding:12px 16px;display:flex;justify-content:space-between;align-items:center;gap:8px}.zk-lib b{font-size:15px}.zk-lib small{color:var(--muted);white-space:nowrap}
.zk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.zk-pc{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.zk-pc:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(11,22,51,.1)}
.zk-pcv{aspect-ratio:16/10;background:#E9E6DD;overflow:hidden}.zk-pcv img{width:100%;height:100%;object-fit:cover}
.zk-pbd{padding:12px 14px 14px;position:relative;flex:1}.zk-pbd small{color:var(--gold);font-size:12px}.zk-pbd h4{font-size:15px;margin:2px 0 4px}
.zk-pbd p{font-size:13px;color:var(--muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.zk-lock{display:inline-block;margin-top:8px;font-size:12px;color:#9A6B00;background:#FFF4DC;border-radius:999px;padding:1px 10px}
.zk-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.zk-card{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.2s}
.zk-card:hover{border-color:var(--blue2);box-shadow:0 8px 20px rgba(11,22,51,.06)}
.zk-ic{flex:0 0 36px;height:36px;border-radius:10px;display:grid;place-items:center;font-style:normal;font-family:var(--serif);font-weight:700;background:#EEF2FC;color:var(--blue)}
.t-prompt .zk-ic{background:#FFF4DC;color:#9A6B00}.t-term .zk-ic{background:#EEF6F1;color:var(--green)}.t-case .zk-ic{background:#F3EEFB;color:#5B3CB5}
.zk-card h4{font-size:16px;line-height:1.45}.zk-card h4 small{font-weight:400;color:var(--muted);font-size:13px}
.zk-card p{font-size:13.5px;color:var(--muted);line-height:1.7;margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.zk-meta{display:block;margin-top:6px;font-size:12px;color:#9AA0AE}.zk-meta .zk-l{color:#9A6B00;font-weight:500}
.zk-group{margin-bottom:34px}.zk-group>h3{font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.zk-group>h3 small{font-size:12px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:0 10px;font-weight:400}
.zk-tip{background:#FFF9EC;border:1px solid #F1E2BD;border-radius:12px;padding:10px 16px;margin-bottom:20px;font-size:14px}.zk-tip a{color:var(--blue);font-weight:500}
.zk-terms{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.zk-term{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.2s}.zk-term:hover{border-color:var(--green)}
.zk-term b{font-size:17px}.zk-term em{display:block;font-style:normal;color:var(--muted);font-size:12px;margin:2px 0 8px}.zk-term p{font-size:13.5px;line-height:1.7;color:#3A4460}
.zk-term small{display:inline-block;margin-top:8px;font-size:11px;background:#EEF6F1;color:var(--green);border-radius:999px;padding:0 8px}
.zk-chdesc{margin:-12px 0 20px}.zk-h3{font-size:20px;margin:44px 0 16px;font-family:var(--serif)}
.zk-ext{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.zk-ext span{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:13px;color:var(--muted)}.zk-ext b{display:block;color:var(--ink);font-size:14px}
.zk-cases{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.zk-case{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 28px;transition:.2s}.zk-case:hover{box-shadow:0 14px 30px rgba(11,22,51,.1);transform:translateY(-2px)}
.zk-case small{color:var(--gold)}.zk-case h3{font-size:22px;margin:6px 0 2px}.zk-case em{font-style:normal;color:var(--muted);font-size:13px}.zk-case p{margin:12px 0;color:#3A4460;line-height:1.8;font-size:14.5px}.zk-case span{font-size:13px;color:var(--blue)}
.zk-route{max-width:900px}.zk-rs{font-family:var(--serif);font-size:20px;margin:30px 0 12px;padding-left:14px;border-left:4px solid var(--gold)}
.zk-day{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px}
.zk-day em{flex:0 0 72px;font-style:normal;font-weight:700;color:var(--blue);font-size:14px;padding-top:2px}.zk-day b{font-size:16px}.zk-day ul{margin-top:6px;padding-left:1.1em;font-size:13.5px;color:var(--muted);line-height:1.8}
.zk-cta{display:flex;justify-content:space-between;align-items:center;gap:30px;background:linear-gradient(120deg,var(--navy),#12265A);color:#fff;border-radius:22px;padding:34px 40px;margin:30px 0 80px}
.zk-cta h3{font-size:24px;margin-bottom:6px}.zk-cta p{opacity:.8;max-width:620px;line-height:1.8}.zk-cta-r{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.zk-cta .btn.line{border-color:rgba(255,255,255,.5);color:#fff}.zk-cta .btn.line:hover{background:rgba(255,255,255,.1)}
.zk-tel{font-size:14px;opacity:.85;white-space:nowrap}
/* 详情 */
.zk-item{max-width:1080px}
.zk-ih{display:flex;gap:10px;align-items:center;margin:18px 0 10px;flex-wrap:wrap}
.zk-type{font-size:12px;background:var(--navy);color:var(--gold2);border-radius:999px;padding:2px 12px}
.zk-lv{font-size:12px;border-radius:999px;padding:2px 12px;background:#E6F4EC;color:var(--green)}.zk-lv.member{background:#E8EEFC;color:var(--blue)}.zk-lv.student{background:#FFF1D6;color:#9A6B00}
.zk-item h1{font-size:clamp(26px,3.2vw,38px);line-height:1.3}.zk-item h1 small{display:block;font-family:var(--sans);font-weight:400;font-size:15px;color:var(--muted);margin-top:6px}
.zk-sum{font-size:17px;color:#3A4460;margin-top:12px;line-height:1.8}
.zk-actions{display:flex;gap:14px;align-items:center;margin:16px 0 26px;flex-wrap:wrap}
.zk-cols.two{display:grid;grid-template-columns:1.05fr 1fr;gap:34px;align-items:start}
.zk-fig{margin:0 0 24px}.zk-fig img{width:100%;border-radius:14px;background:#E9E6DD;box-shadow:0 10px 30px rgba(11,22,51,.12)}
.zk-fig figcaption{font-size:12px;color:#9AA0AE;margin-top:8px;text-align:center}
.zk-pv{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 24px;margin-bottom:18px}
.zk-pv ul{padding-left:1.2em}.zk-pv .warn{color:#9A5B00}
.zk-fields{display:grid;grid-template-columns:120px 1fr;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:18px;font-size:14px}
.zk-fields dt{padding:10px 14px;background:#FAF8F3;color:var(--muted);border-bottom:1px solid var(--line)}.zk-fields dd{padding:10px 16px;border-bottom:1px solid var(--line);line-height:1.75}
.zk-fields dt:last-of-type,.zk-fields dd:last-of-type{border-bottom:0}
.zk-prompt{background:#0F1A3A;color:#E7ECFA;border-radius:16px;overflow:hidden;margin-bottom:22px}
.zk-ph{display:flex;justify-content:space-between;align-items:center;padding:10px 12px 10px 18px;background:rgba(255,255,255,.06);font-size:14px}.zk-ph span{color:var(--gold2);font-size:13px}
.zk-prompt pre{white-space:pre-wrap;word-break:break-word;padding:16px 18px 20px;font-family:var(--sans);font-size:14px;line-height:1.85;max-height:560px;overflow:auto}
.zk-prompt.locked pre{filter:blur(4px);user-select:none;max-height:90px}
.zk-lockbox{background:#fff;border:1px dashed #BFC8E6;border-radius:18px;padding:26px 28px;margin:10px 0 30px;text-align:center}
.zk-lockbox.gold{border-color:#E4C98B;background:#FFFBF1}.zk-lockbox b{font-size:18px}.zk-lockbox p{color:var(--muted);margin:8px auto 16px;max-width:560px;line-height:1.8}
.zk-lockbox div{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;align-items:center}.zk-lockbox .zk-tel{color:var(--ink)}
.zk-body{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 34px;margin-top:6px}
.zk-body h3{border-left:4px solid var(--gold);padding-left:10px}
.zk-body pre.prompt,.zk-body pre.doc{white-space:pre-wrap;word-break:break-word;background:#F6F4EE;border-radius:12px;padding:14px 16px;font-family:var(--sans);font-size:14px;line-height:1.85}
.zk-body pre.prompt{background:#0F1A3A;color:#E7ECFA}
.zk-body blockquote{background:#F6F4EE;border-left:4px solid var(--blue2);border-radius:0 12px 12px 0;padding:12px 16px;font-size:14.5px}
.zk-body .tbl{overflow-x:auto;margin:1em 0}.zk-body table{border-collapse:collapse;width:100%;font-size:13.5px;line-height:1.7}
.zk-body th,.zk-body td{border:1px solid var(--line);padding:8px 10px;vertical-align:top;text-align:left}.zk-body th{background:#FAF8F3}
.zk-body td img,.zk-body th img{max-width:260px;margin:0 0 6px;border-radius:8px}
.zk-body .shot{border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin:14px 0}.zk-body .shot h4{display:flex;justify-content:space-between;gap:10px;font-size:16px}.zk-body .shot small{color:var(--muted);font-weight:400}
.zk-body figure img{border-radius:12px}.zk-body .cap{font-size:13px;color:var(--muted);text-align:center}
.zk-home-in{display:grid;grid-template-columns:1fr 1.2fr;gap:36px;align-items:center}
.zk-home-l p{font-size:16px;line-height:1.9;color:#3A4460}
.zk-nums{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:22px 0}
.zk-nums a{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;transition:.2s}.zk-nums a:hover{border-color:var(--gold)}
.zk-nums b{display:block;font-size:28px;font-family:var(--serif);color:var(--blue)}.zk-nums span{font-size:12.5px;color:var(--muted)}
.zk-home-r{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.zk-home-r a{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:#E9E6DD}.zk-home-r img{width:100%;height:100%;object-fit:cover;transition:.4s}.zk-home-r a:hover img{transform:scale(1.05)}
.zk-home-r span{position:absolute;left:0;right:0;bottom:0;padding:18px 10px 8px;color:#fff;font-size:13px;background:linear-gradient(transparent,rgba(0,0,0,.65))}
.acc-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}
@media (max-width:1200px){.zk-grid{grid-template-columns:repeat(3,1fr)}.zk-stages{grid-template-columns:repeat(2,1fr)}}
@media (max-width:1060px){.zk-intro,.zk-home-in,.zk-cols.two{grid-template-columns:1fr}.zk-libs,.zk-libs.big{grid-template-columns:repeat(2,1fr)}.zk-terms{grid-template-columns:repeat(2,1fr)}.zk-ext{grid-template-columns:repeat(3,1fr)}.zk-cta{flex-direction:column;align-items:flex-start}}
@media (max-width:680px){.zk-flow{grid-template-columns:repeat(3,1fr)}.zk-stages,.zk-list,.zk-terms,.zk-cases{grid-template-columns:1fr}.zk-grid{grid-template-columns:repeat(2,1fr);gap:10px}.zk-ext{grid-template-columns:repeat(2,1fr)}.zk-nums{grid-template-columns:repeat(2,1fr)}.zk-body{padding:18px}.zk-fields{grid-template-columns:90px 1fr}.zk-cta{padding:26px 22px}.zk-search{margin-top:18px}.zk-home-r{grid-template-columns:repeat(2,1fr)}}
.zk-video{width:100%;max-width:420px;border-radius:14px;background:#000;display:block;margin:0 auto}
.zk-vids{display:grid;grid-template-columns:1fr 1fr;gap:12px}.zk-vids .zk-video{max-width:none}
.zk-pv .cap{font-size:12px;color:#9AA0AE;text-align:center;margin:6px 0 12px}

/* ===== 第五期：校徽强化 · 首页首屏 · 导演思维课程 ===== */
.brand .seal{width:56px;height:56px;border-radius:50%;background:#fff;display:grid;place-items:center;flex-shrink:0;box-shadow:0 0 0 2px var(--gold),0 6px 18px rgba(7,14,34,.28);transition:transform .3s}
.brand:hover .seal{transform:rotate(-8deg) scale(1.04)}
.brand .seal img{width:50px;height:50px}
.brand b{font-size:19px;letter-spacing:.06em}
.brand small{font-size:10.5px;letter-spacing:.3em}
.nav.solid .brand small{color:var(--gold);opacity:1}
.foot .brand .seal{box-shadow:0 0 0 2px var(--gold)}
.hero::before{background:linear-gradient(100deg,rgba(7,14,34,.95) 0%,rgba(8,16,40,.8) 45%,rgba(8,16,40,.35) 80%,rgba(8,16,40,.5) 100%)}
.hero-in{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:56px}
.hero-in>*{max-width:none}.hero-txt{max-width:760px}
.emblem{position:relative;width:340px;height:340px;flex-shrink:0}
.emblem .em-halo{position:absolute;inset:-30px;border-radius:50%;background:radial-gradient(circle,rgba(200,163,90,.35) 0%,rgba(200,163,90,.08) 45%,transparent 70%)}
.emblem svg{position:absolute;inset:0;width:100%;height:100%;animation:emspin 60s linear infinite}
.emblem svg text{fill:var(--gold2);font-size:13.5px;letter-spacing:4px;font-family:var(--sans)}
.emblem .em-disk{position:absolute;inset:44px;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 0 0 5px var(--gold),0 0 0 14px rgba(255,255,255,.12),0 30px 80px rgba(0,0,0,.5)}
.emblem .em-disk img{width:86%;height:86%}
.emblem .em-tag{position:absolute;left:50%;bottom:-18px;transform:translateX(-50%);white-space:nowrap;background:var(--gold);color:var(--navy);font-size:13px;font-weight:700;letter-spacing:.2em;padding:7px 18px;border-radius:999px;box-shadow:0 10px 24px rgba(0,0,0,.3)}
@keyframes emspin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.emblem svg{animation:none}}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-badges span{border:1px solid rgba(233,213,168,.45);color:var(--gold2);border-radius:999px;padding:5px 14px;font-size:13px;background:rgba(7,14,34,.35)}
/* 首页：导演思维板块 */
.dsec{background:radial-gradient(1200px 500px at 85% 0%,rgba(200,163,90,.18),transparent 60%),linear-gradient(160deg,#0B1633,#070E22);color:#fff;padding:100px 0;margin:40px 0}
.dsec .k{color:var(--gold)}
.dsec-in{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.dsec h2{font-size:clamp(30px,3.6vw,46px);line-height:1.25}
.dsec p.sub{opacity:.82;line-height:1.9;margin:18px 0 28px;max-width:560px}
.dstairs{display:grid;gap:10px}
.dstairs a{display:grid;grid-template-columns:82px 70px 1fr;align-items:center;gap:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:13px 18px;transition:.25s}
.dstairs a:hover{background:rgba(200,163,90,.14);border-color:rgba(200,163,90,.6);transform:translateX(6px)}
.dstairs em{font-style:normal;color:var(--gold);font-size:13px;letter-spacing:.15em}
.dstairs b{font-family:var(--serif);font-size:20px}
.dstairs span{opacity:.72;font-size:14px}
.dstairs a:nth-child(2){margin-left:14px}.dstairs a:nth-child(3){margin-left:28px}.dstairs a:nth-child(4){margin-left:42px}.dstairs a:nth-child(5){margin-left:56px}.dstairs a:nth-child(6){margin-left:70px}
.dsec-map{border-radius:18px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.12);background:#fff;display:block}
.dsec-map img{width:100%}
.dsec-nums{display:flex;gap:28px;margin:26px 0 30px}
.dsec-nums b{display:block;font-size:34px;color:var(--gold);line-height:1.1}.dsec-nums span{font-size:13px;opacity:.75}
/* 导演思维课程内容 */
.prose .dx-q{font-size:18px;font-family:var(--serif);color:var(--navy);border-left:4px solid var(--blue);padding:6px 0 6px 16px}
.prose .dx-keys{background:linear-gradient(135deg,#F2F5FC,#FBF8F0);border:1px solid var(--line);border-radius:14px;padding:18px 22px}
.prose .dx-keys>b{display:block;color:var(--blue);font-size:14px;letter-spacing:.15em;margin-bottom:6px}
.prose .dx-keys ul{margin:0}.prose .dx-keys li b{color:var(--ink)}
.prose .dx-box{border-radius:14px;padding:16px 20px;border:1px solid}
.prose .dx-box>b{display:inline-block;font-size:13px;letter-spacing:.12em;padding:2px 10px;border-radius:999px;margin-bottom:6px}
.prose .dx-box p{margin:0}
.prose .dx-box.tip{background:#F1FAF5;border-color:#BFE3CF}.prose .dx-box.tip>b{background:var(--green);color:#fff}
.prose .dx-box.ai{background:#F3F1FC;border-color:#D6CFF2}.prose .dx-box.ai>b{background:#5B45C2;color:#fff}
.prose .dx-box.dxkb{background:#FBF7EE;border-color:#EADBB8}.prose .dx-box.dxkb>b{background:var(--gold);color:var(--navy)}
.prose .dx-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.prose .dx-links a{text-decoration:none;background:#fff;border:1px solid #EADBB8;border-radius:999px;padding:4px 12px;font-size:14px;line-height:1.6}
.prose .dx-links a:hover{border-color:var(--gold);color:var(--navy)}
.prose .dx-tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
.prose .dx-tbl table{min-width:520px;font-size:15px;line-height:1.7;background:#fff}
.prose .dx-tbl th{background:var(--navy);color:#fff;font-weight:600;text-align:left;border-color:var(--navy)}
.prose .dx-tbl tr:nth-child(even) td{background:#FAFAF7}
.prose .dx-fig img{border:1px solid var(--line);margin:.6em auto;cursor:zoom-in}
.prose .dx-gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.prose .dx-gal a{text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:block;transition:.2s}
.prose .dx-gal a:hover{box-shadow:0 12px 30px rgba(11,22,51,.12);transform:translateY(-2px)}
.prose .dx-gal img{margin:0;border-radius:0;aspect-ratio:16/10;object-fit:cover;width:100%}
.prose .dx-gal span{display:block;padding:8px 12px;font-size:13px;color:var(--ink);line-height:1.5}
.prose .dx-levels{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.prose .dx-lv{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;position:relative;overflow:hidden}
.prose .dx-lv::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(var(--gold),var(--blue))}
.prose .dx-lv em{font-style:normal;font-size:12px;color:var(--gold);letter-spacing:.15em;display:block}
.prose .dx-lv b{font-family:var(--serif);font-size:20px;display:block;line-height:1.4}
.prose .dx-lv span{font-size:13px;color:var(--muted);line-height:1.6;display:block}
@media (max-width:1100px){.hero-in{grid-template-columns:1fr;gap:28px}.emblem{width:240px;height:240px;order:-1}.emblem .em-disk{inset:32px}.emblem svg text{font-size:12px;letter-spacing:2.5px}
  .dsec-in{grid-template-columns:1fr}.prose .dx-levels{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.brand .seal{width:44px;height:44px}.brand .seal img{width:39px;height:39px}.brand b{font-size:15px}
  .emblem{width:170px;height:170px;margin:0 auto}.emblem .em-disk{inset:24px;box-shadow:0 0 0 4px var(--gold),0 0 0 10px rgba(255,255,255,.12),0 20px 50px rgba(0,0,0,.5)}.emblem svg text{font-size:9px;letter-spacing:1.5px}.emblem .em-tag{font-size:11px;padding:5px 12px;bottom:-14px}.emblem .em-halo{inset:-16px}
  .dsec{padding:64px 0}.dstairs a{grid-template-columns:64px 52px 1fr;padding:11px 12px;gap:8px;margin-left:0!important}.dstairs b{font-size:17px}.dstairs span{font-size:12.5px}.dsec-nums{gap:18px}.dsec-nums b{font-size:26px}}
.dsec{margin:60px 0 0}
.dsec+.campus{margin-top:0;background:linear-gradient(180deg,#0E1B3D,#0B1633);border-top:1px solid rgba(233,213,168,.18)}
.prose .dx-lead{font-size:17px;line-height:1.95;color:var(--ink)}.prose .dx-lead b{color:var(--blue)}
.zk-dir{display:grid;grid-template-columns:auto 1fr auto;gap:6px 18px;align-items:center;background:linear-gradient(120deg,#0B1633,#1C2E63);color:#fff;border-radius:16px;padding:18px 24px;margin-bottom:26px;border:1px solid rgba(200,163,90,.5)}
.zk-dir .zk-dir-k{grid-row:span 2;background:var(--gold);color:var(--navy);font-size:12px;font-weight:700;letter-spacing:.15em;padding:6px 12px;border-radius:999px}
.zk-dir b{font-family:var(--serif);font-size:20px}.zk-dir span:not(.zk-dir-k){opacity:.8;font-size:14px;grid-column:2}.zk-dir em{font-style:normal;color:var(--gold2);grid-row:1/span 2;grid-column:3;white-space:nowrap}
.zk-dir:hover{border-color:var(--gold)}
@media (max-width:760px){.zk-dir{grid-template-columns:1fr}.zk-dir .zk-dir-k{grid-row:auto;justify-self:start}.zk-dir span:not(.zk-dir-k),.zk-dir em{grid-column:1;grid-row:auto}}
/* 第五期：编剧思维 */
.wsec{background:radial-gradient(900px 420px at 10% 0%,rgba(46,109,180,.10),transparent 60%),linear-gradient(180deg,#FBF8F0,#F3EEE2);padding:96px 0;border-bottom:1px solid var(--line)}
.wsec .k{color:var(--blue)}
.wsec-in{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.wsec h2{font-size:clamp(30px,3.6vw,46px);line-height:1.25;color:var(--navy)}
.wsec p.sub{color:var(--muted);line-height:1.9;margin:18px 0 8px;max-width:560px}
.wsec .dsec-nums b{color:var(--blue)}.wsec .dsec-nums span{color:var(--muted);opacity:1}
.wpath{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;counter-reset:w}
.wpath a{display:grid;grid-template-columns:44px 1fr auto;grid-template-rows:auto auto;column-gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 16px;transition:.25s;position:relative}
.wpath a:hover{border-color:var(--gold);box-shadow:0 12px 30px rgba(11,22,51,.10);transform:translateY(-2px)}
.wpath em{grid-row:span 2;font-style:normal;font-weight:700;color:#fff;background:var(--navy);border-radius:10px;height:40px;display:flex;align-items:center;justify-content:center;font-size:14px}
.wpath a:nth-child(n+4) em{background:#2F9E6E}.wpath a:nth-child(n+6) em{background:#B8862E}.wpath a:nth-child(n+9) em{background:#8B3A62}
.wpath a:nth-child(-n+3) em{background:var(--blue)}
.wpath b{font-family:var(--serif);font-size:18px;color:var(--navy)}
.wpath span{grid-column:2;font-size:13px;color:var(--muted)}
.wpath small{grid-row:1/span 2;grid-column:3;font-size:12px;color:var(--gold);white-space:nowrap}
@media (max-width:1100px){.wsec-in{grid-template-columns:1fr}}
@media (max-width:560px){.wsec{padding:64px 0}.wpath{grid-template-columns:1fr}.wsec .dsec-nums{flex-wrap:wrap;gap:16px}}
.prose .sw-levels{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
@media (max-width:900px){.prose .sw-levels{grid-template-columns:repeat(2,1fr)}}
.prose .dx-pre{position:relative;margin:1em 0}
.prose .dx-pre pre{white-space:pre-wrap;word-break:break-word;background:#0F1A3A;color:#E7ECFA;border-radius:12px;padding:16px 18px;padding-top:40px;font-family:var(--sans);font-size:14px;line-height:1.85;margin:0}
.prose .dx-copy{position:absolute;top:8px;right:10px;background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:999px;font-size:12px;padding:3px 12px;cursor:pointer}
.prose .dx-copy:hover{background:var(--gold);color:var(--navy);border-color:var(--gold)}
.wsec h2 .wsub{font-size:.62em;color:var(--blue);letter-spacing:.04em}
/* 宣传视频（首页 + 关于集星）：按每个视频的横竖比例排成等高一行 */
.pvids{display:grid;grid-template-columns:var(--cols);gap:22px;margin:0 auto;align-items:start}
.pvid{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(11,22,51,.08)}
.pvid-v{background:#0B1633;width:100%}.pvid-v video{width:100%;height:100%;object-fit:contain;display:block;background:#0B1633}
.pvid figcaption{padding:12px 16px}.pvid figcaption b{display:block;font-family:var(--serif);font-size:17px;color:var(--navy);line-height:1.5}.pvid figcaption span{display:block;color:var(--muted);font-size:13.5px;line-height:1.7;margin-top:2px}
.vsec{background:linear-gradient(180deg,#0B1633,#0E1B3D);color:#fff;padding:20px 0 90px}
.vsec .sh h2{color:#fff}.vsec .sh p{color:rgba(255,255,255,.75)}.vsec .k{color:var(--gold)}
.vsec .pvid{border-color:rgba(255,255,255,.12);background:#101F45}.vsec .pvid figcaption b{color:#fff}.vsec .pvid figcaption span{color:rgba(255,255,255,.7)}
.vsec-more{text-align:center;margin-top:28px}
.campus+.vsec{margin-top:0}
@media (max-width:760px){.pvids{grid-template-columns:1fr 1fr!important;max-width:none!important;gap:12px}.pvid.wide{grid-column:1/-1}.pvid.tall:only-child{grid-column:1/-1;max-width:340px;width:100%;margin:0 auto}.pvid figcaption{padding:10px 12px}.pvid figcaption b{font-size:15px}}
/* 编剧思维 · 小白详解 */
.prose .sw-plain{background:#EEF3FC;border-color:#C9D7F2}.prose .sw-plain>b{background:var(--blue);color:#fff}.prose .sw-plain p{font-size:17px;font-weight:600;color:var(--navy)}
.prose .sw-ana{background:#FBF8F0;border-left:4px solid var(--gold);border-radius:0 10px 10px 0;padding:12px 16px}
.prose .sw-toc{columns:2;column-gap:28px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px 14px 38px}.prose .sw-toc li{break-inside:avoid;margin:2px 0}
.prose h2 .sw-n{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;font-size:15px;margin-right:10px;vertical-align:3px;font-family:var(--sans)}
.prose .sw-pt{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:0 6px 20px rgba(11,22,51,.04)}
.prose .sw-d{font-size:16.5px;line-height:1.95;margin-top:0}
.prose .sw-eg{background:#FBF8F0;border:1px dashed #E3D3A8;border-radius:10px;padding:10px 14px;margin:10px 0}.prose .sw-eg b{color:#9A6B00;font-size:13px;letter-spacing:.1em}.prose .sw-eg p{margin:4px 0 0}
.prose .sw-kids{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin:12px 0}
.prose .sw-kid{background:#F7F8FB;border:1px solid #E3E7F0;border-radius:10px;padding:12px 14px;font-size:15px;line-height:1.8}
.prose .sw-kid h4{margin:0 0 4px;font-size:16px;color:var(--navy)}.prose .sw-kid p{margin:0 0 6px}
.prose .sw-keg b,.prose .sw-ktip b{display:inline-block;font-size:12px;padding:0 8px;border-radius:999px;margin-right:6px;background:#F1E6CC;color:#7A5500}.prose .sw-ktip b{background:#DDEFE5;color:#1E6B47}
.prose .sw-tip{background:#F1FAF5;border-radius:10px;padding:10px 14px;margin:10px 0 0}.prose .sw-tip b{display:inline-block;background:var(--green);color:#fff;font-size:12px;padding:1px 10px;border-radius:999px;margin-right:8px}
.prose .sw-demo{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.prose .sw-bad,.prose .sw-good{border-radius:12px;padding:14px 16px;font-size:15px;line-height:1.85}.prose .sw-bad{background:#FDF2F2;border:1px solid #F0CACA}.prose .sw-good{background:#F1FAF5;border:1px solid #BFE3CF}
.prose .sw-bad b{color:#B03A3A}.prose .sw-good b{color:#1E6B47}.prose .sw-bad p,.prose .sw-good p{margin:6px 0 0}
.prose .sw-note{background:#fff;border-left:4px solid var(--blue);padding:10px 14px;border-radius:0 10px 10px 0}
.prose .sw-steps li{margin:6px 0}.prose .sw-check{list-style:none;padding-left:0}.prose .sw-check li{padding-left:28px;position:relative;margin:6px 0}.prose .sw-check li::before{content:"☐";position:absolute;left:4px;color:var(--blue)}
@media (max-width:700px){.prose .sw-toc{columns:1}.prose .sw-demo{grid-template-columns:1fr}}
/* 导演思维小白详解版：镜头表对比 */
.prose .dr-tag{display:inline-block;margin:0 4px;padding:0 8px;border-radius:10px;background:#FFF4DC;color:#8A5A00;font-size:13px;line-height:22px}
.prose .dr-scene{background:#F5F7FB;border-left:3px solid var(--navy);padding:10px 14px;border-radius:0 10px 10px 0}
.prose .dr-demo .sw-bad,.prose .dr-demo .sw-good{margin:14px 0 8px}
.prose .dr-shots table{min-width:720px;font-size:14px;line-height:1.6}
.prose .dr-shots td:nth-child(1),.prose .dr-shots td:nth-child(6){white-space:nowrap;text-align:center}
.prose .dr-shots td:nth-child(2){white-space:nowrap}
.prose .dr-orig{border-top:1px dashed #D8D4C8;padding-top:4px}
.prose .dr-shots th{white-space:nowrap}.prose .dr-shots td:nth-child(4){white-space:nowrap}
@media (max-width:700px){
.prose .dr-shots{overflow:visible}.prose .dr-shots table{min-width:0;width:100%;border:0;background:none}
.prose .dr-shots thead{display:none}.prose .dr-shots tbody,.prose .dr-shots tr,.prose .dr-shots td{display:block}
.prose .dr-shots tr{background:#fff;border:1px solid #E4E0D6;border-radius:10px;padding:8px 12px;margin:0 0 10px}
.prose .dr-shots tr:nth-child(even) td{background:none}
.prose .dr-shots td{border:0;padding:3px 0;text-align:left!important;white-space:normal!important}
.prose .dr-shots td:before{content:attr(data-l)"：";color:#8A8577;font-size:13px}
.prose .dr-shots td:nth-child(1){font-weight:700;color:var(--navy)}.prose .dr-shots td:nth-child(1):before{content:"镜 "}
.prose .dr-shots td:empty{display:none}
}
/* AI 漫剧学习软件下载 */
.soft-banner{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;margin:0 0 20px;padding:14px 18px;border-radius:14px;background:linear-gradient(90deg,#0B1633,#1B2B5A);color:#fff;text-decoration:none}
.soft-banner b{color:#E9C77B;font-size:16px}.soft-banner span{opacity:.92}.soft-banner:hover{filter:brightness(1.1)}
.softpg .notice{margin-bottom:8px;line-height:1.8}
.softpg .sh2{margin:34px 0 14px;font-size:26px}
.sstages{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.sstage{padding:18px 18px 14px;position:relative}.sstage em{position:absolute;right:16px;top:12px;font-style:normal;font-size:34px;font-weight:700;color:#EEE9DC}
.sstage h3{margin:0 0 6px;font-size:17px;padding-right:30px}.sstage p{margin:0 0 10px;color:#6B6658;font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.sw-chip{display:inline-block;padding:3px 10px;border-radius:14px;background:#F2F4F9;border:1px solid #DCE2EE;color:#1B2B5A;font-size:13px;text-decoration:none;white-space:nowrap}.sw-chip:hover{background:#1B2B5A;color:#fff}
.sflow table{min-width:0}.sflow td:first-child{white-space:nowrap;font-weight:600;width:170px}
.sfilter{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 6px;position:sticky;top:92px;z-index:5;background:var(--paper);padding:8px 0}
.sfilter button{border:1px solid #D8D4C8;background:#fff;border-radius:18px;padding:6px 14px;font-size:14px;cursor:pointer;color:#333}.sfilter button.on{background:#1B2B5A;border-color:#1B2B5A;color:#fff}
.sfilter input{flex:1;min-width:180px;border:1px solid #D8D4C8;border-radius:18px;padding:7px 14px;font-size:14px}
.scat-h{display:flex;align-items:center;flex-wrap:wrap;gap:4px 10px;margin:26px 0 12px;font-size:20px}.scat-h span{width:6px;height:22px;border-radius:3px}.scat-h small{font-weight:400;color:#8A8577;font-size:14px}
.sgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
.soft{padding:18px;display:flex;flex-direction:column;scroll-margin-top:190px}
.soft header{display:flex;align-items:center;gap:12px}.soft header h3{margin:0;font-size:18px;line-height:1.3}.soft header small{color:#8A8577}
.sico{flex:none;width:44px;height:44px;border-radius:12px;color:#fff;font-weight:700;font-size:20px;display:flex;align-items:center;justify-content:center}
.soft .lv{margin-left:auto;flex:none;font-style:normal;font-size:12px;padding:2px 9px;border-radius:10px;background:#EEF1F7;color:#1B2B5A}
.soft .lv-必装{background:#FDECEC;color:#B03A3A}.soft .lv-推荐{background:#FFF4DC;color:#8A5A00}.soft .lv-进阶{background:#EAF6EF;color:#1E6B47}
.stags{display:flex;flex-wrap:wrap;gap:5px;margin:10px 0 0}.stags span{font-size:12px;padding:1px 8px;border-radius:8px;background:#F4F2EC;color:#6B6658}
.sone{margin:10px 0 4px;font-weight:600;line-height:1.7}
.soft h4{margin:8px 0 4px;font-size:14px;color:#1B2B5A}.soft ul{margin:0 0 6px;padding-left:18px;font-size:14px;line-height:1.75}
.suse{background:#F5F7FB;border-radius:10px;padding:9px 12px;margin:6px 0;font-size:14px;line-height:1.7}.suse b{color:#1B2B5A;font-size:13px}.suse p{margin:2px 0 0}
.smeta{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin:8px 0 4px;font-size:13px;color:#6B6658}.smeta dt{color:#8A8577}.smeta dd{margin:0;word-break:break-all}
.snote{font-size:13px;color:#8A5A00;background:#FFF9EA;border-radius:8px;padding:7px 10px;margin:6px 0;line-height:1.65}
.sbtn{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:10px}.sbtn .btn{flex:1;text-align:center;min-width:130px}
@media (max-width:900px){.sstages{grid-template-columns:1fr}.sgrid{grid-template-columns:1fr}.sfilter{position:static;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}.sfilter button{flex:none}.sfilter input{min-width:150px}.soft{scroll-margin-top:90px}}
.soft[hidden],.scat[hidden]{display:none!important}
/* 导航增加“软件下载”后的窄屏适配 */
.menu a{white-space:nowrap}
@media (min-width:1061px) and (max-width:1360px){.nav-in{gap:18px;padding:16px 24px}.menu{gap:16px;font-size:14.5px}}
@media (min-width:1061px) and (max-width:1200px){.menu{gap:12px;font-size:14px}.brand b{font-size:18px}}
/* 软件详细教程 */
.smore{display:block;margin-top:10px;font-size:13px;color:var(--blue);text-align:center}
.sguide{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.sg{padding:16px 18px}.sg b{color:var(--navy)}.sg p{margin:6px 0 0;font-size:14px;line-height:1.75;color:#555}
.sd-head .k a{color:inherit}.sd-title{display:flex;align-items:center;gap:16px;margin-top:6px}.sd-title h1{margin:0}.sd-title p{margin:6px 0 0;opacity:.9}
.sico.big{width:64px;height:64px;font-size:30px;border-radius:16px}
.sico.img{background:none;overflow:hidden}.sico.img img{width:100%;height:100%;display:block}
.sshot{display:block;margin:12px 0;border-radius:10px;overflow:hidden;border:1px solid rgba(16,29,51,.1);background:#f3f1ec;aspect-ratio:16/10}.sshot img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}
.sd-shot{display:block;width:100%;height:auto;border-radius:12px;border:1px solid rgba(16,29,51,.1)}
.pr-card h3{margin:6px 0 4px;font-size:17px}.pr-card h3 a{color:inherit;text-decoration:none}.pr-card .sshot{margin-top:0}
.pr-cat{display:inline-block;font-size:12px;color:#8a6a2c;background:#f6eedd;border-radius:999px;padding:2px 10px}
.pr-detail{max-width:880px}.pr-detail .sd-shot{max-height:520px;object-fit:contain;background:#101d33}
.pr-box{margin:20px 0;padding:16px 18px}.pr-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.pr-box pre{white-space:pre-wrap;word-break:break-word;font:15px/1.8 inherit;font-family:inherit;margin:0;max-height:none}
.pr-credit{font-size:13px;color:#6b7280;margin-top:14px}
/* 软件卡片：功能与用法默认折叠，页面从约 3 万像素缩短；提示词专区手机两列（第八批） */
.sfold{margin:10px 0 4px;border-top:1px dashed var(--line);padding-top:8px}
.sfold summary{cursor:pointer;font-size:13.5px;font-weight:600;color:var(--navy,#101d33);list-style:none;display:flex;align-items:center;justify-content:space-between}
.sfold summary::-webkit-details-marker{display:none}.sfold summary::after{content:'+';font-size:18px;color:var(--gold)}.sfold[open] summary::after{content:'−'}
.sfold ul{margin-top:8px}
@media (min-width:1100px){.pr-grid{grid-template-columns:repeat(4,1fr)!important}.pr-card .sone{font-size:13.5px}}
@media (max-width:560px){[data-scat] .soft .smeta,[data-scat] .soft .stags,[data-scat] .soft .smore{display:none}[data-scat] .soft .sone{margin-bottom:6px}[data-scat] .soft .sbtn .btn{padding:9px 12px;font-size:13px}}
@media (max-width:560px){.pr-grid{grid-template-columns:1fr 1fr!important;gap:10px}.pr-card{padding:10px!important}.pr-card .sone{display:none}.pr-card h3{font-size:14.5px;line-height:1.4}.pr-card .smore{font-size:12.5px}.pr-card .pr-cat{font-size:11px;padding:1px 8px}}
/* 知识学堂：还没有课时的课程收进“即将开放”（第八批） */
.k-soon{margin-top:40px;border-top:1px solid var(--line);padding-top:24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.k-soon>b{grid-column:1/-1;font-family:var(--serif);font-size:20px}
.k-soon a{display:block;border:1px dashed var(--line);border-radius:12px;padding:14px 16px;color:inherit}.k-soon a:hover{border-color:var(--gold)}
.k-soon span{display:block;font-weight:600}.k-soon small{display:block;color:var(--muted);font-size:12.5px;margin-top:4px;line-height:1.6}
/* 关于集星：品牌墙（第八批） */
.b-wall{background:#f1ebe1;padding:84px 0}
.b-wall-in{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center}
.b-wall h2{font-size:clamp(28px,3.2vw,40px);line-height:1.25;margin:10px 0 16px}.b-wall p{color:var(--muted);line-height:1.9;margin-bottom:22px}
.b-wall-logos{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-bottom:24px}.b-wall-logos img{height:40px;width:auto;background:#fff;border-radius:10px;padding:8px 14px;box-shadow:0 4px 14px rgba(11,22,51,.06)}
.b-wall figure{margin:0;border-radius:18px;overflow:hidden;box-shadow:0 30px 60px rgba(11,22,51,.14)}.b-wall figure img{width:100%;display:block}
.b-wall figcaption{background:#fff;font-size:12.5px;color:var(--muted);padding:10px 16px}
@media (max-width:980px){.b-wall{padding:56px 0}.b-wall-in{grid-template-columns:1fr;gap:28px}}
/* 企业合作（第八批） */
.co-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:end;margin-bottom:44px}
.co-intro h2{font-size:clamp(26px,3vw,38px);line-height:1.3;margin-top:10px}
.co-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.co-card{display:grid;grid-template-columns:42% 1fr;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;scroll-margin-top:100px;transition:box-shadow .25s,transform .25s}
.co-card:hover{box-shadow:0 22px 48px rgba(11,22,51,.10);transform:translateY(-2px)}
.co-card figure{margin:0;background:#eef2f1;min-height:100%}.co-card figure img{width:100%;height:100%;object-fit:cover;object-position:center 58%;display:block}
.co-body{padding:28px 28px 26px;display:flex;flex-direction:column;gap:10px}
.co-n{font-family:var(--serif);font-style:italic;color:var(--gold);font-size:20px}
.co-body h3{font-size:24px}.co-body .tag{align-self:flex-start}.co-body .prose{font-size:14.5px;color:var(--muted);flex:1}
.co-go{font-weight:600;color:var(--navy,#101d33);margin-top:6px}
.co-band{background:#101d33;color:#e8ecf3;padding:84px 0;margin-top:40px}
.co-band .sh .k{color:#e9c98e}.co-band .sh h2{color:#fff}.co-band .sh p{color:#b9c2d0}
.co-posters{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);gap:16px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.co-posters a{scroll-snap-align:start;display:block;border-radius:14px;overflow:hidden;background:#0b1526;position:relative}
.co-posters img{width:100%;aspect-ratio:3/4;object-fit:cover;display:block;transition:transform .4s}.co-posters a:hover img{transform:scale(1.03)}
.co-posters span{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;font-size:13px;color:#fff;background:linear-gradient(transparent,rgba(5,12,26,.85))}
.co-partners{display:grid;grid-template-columns:1fr 1.25fr;gap:28px;align-items:stretch}
.co-logos{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:start}
.co-logo{background:#fff;border:1px solid var(--line);border-radius:16px;min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:20px;text-align:center}
.co-logo img{max-height:62px;max-width:80%;object-fit:contain}.co-logo small{color:var(--gold);font-size:12.5px;letter-spacing:.06em}
.co-empty{background:transparent;border-style:dashed}.co-empty b{font-family:var(--serif);font-size:17px}
.co-wall{margin:0;border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line)}.co-wall img{width:100%;display:block}
.co-wall figcaption{font-size:12.5px;color:var(--muted);padding:10px 16px}
@media (max-width:980px){.co-intro,.co-grid,.co-partners{grid-template-columns:1fr;gap:22px}.co-intro{margin-bottom:28px}}
@media (max-width:560px){.co-card{grid-template-columns:1fr}.co-card figure{max-height:300px}.co-body{padding:22px}.co-band{padding:56px 0}.co-posters{grid-auto-columns:72%}.co-logo{min-height:120px}}
.sd-head .lv{font-style:normal;font-size:12px;padding:2px 9px;border-radius:10px;background:#FFF4DC;color:#8A5A00}
.sd-tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:8px;background:rgba(255,255,255,.14);margin:2px 2px 0 0}
.sd-one{max-width:820px;font-size:17px;line-height:1.8;margin:14px 0 18px}
.sd-btns{display:flex;flex-wrap:wrap;gap:10px}.sd-btns.col{flex-direction:column}.sd-btns.col .btn{text-align:center}
.sd-head .btn.line{color:#fff;border-color:rgba(255,255,255,.6)}.sd-side .btn.line{color:var(--blue);border-color:var(--blue)}
.sd-body{display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:start}
.sd-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 20px;padding:20px}.sd-facts b{font-size:13px;color:#8A8577;font-weight:600}.sd-facts p{margin:3px 0 0;font-size:15px;line-height:1.6}
.sd-sec{margin:26px 0 0}.sd-sec h2{font-size:21px;margin:0 0 10px;padding-left:10px;border-left:4px solid var(--gold)}
.sd-sec ol,.sd-sec ul{padding-left:22px;line-height:1.9;font-size:15.5px}.sd-sec ol li{margin:0 0 6px}.sd-sec p{line-height:1.85}
.sd-faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:0 0 8px}.sd-faq summary{cursor:pointer;font-weight:600}.sd-faq p{margin:8px 0 2px;color:#444}
.sd-side{position:sticky;top:110px;display:flex;flex-direction:column;gap:14px}.sd-side .card{padding:18px}.sd-side h3{margin:0 0 10px;font-size:16px}
.sd-nav{display:flex;justify-content:space-between;gap:10px;padding:10px 0 30px;font-size:14px}
@media (max-width:900px){.sguide{grid-template-columns:1fr}.sd-body{grid-template-columns:1fr}.sd-side{position:static}.sd-facts{grid-template-columns:1fr 1fr}.sd-title h1{font-size:28px}}
/* AI 指令库 */
.cmd-banner{background:linear-gradient(90deg,#5B3A0B,#9A6B1E)}.cmd-banner b{color:#FFE7B0}
.cmd-groups{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.cmd-g{padding:16px 18px;display:flex;flex-direction:column;gap:4px}.cmd-g em{font-style:normal;font-size:26px;font-weight:700;color:#E3DCCB;line-height:1}.cmd-g b{font-size:16px;color:var(--navy)}.cmd-g small{color:#8A8577}
.cmd-guide{max-width:960px}.cmd-formula{font-size:20px;font-weight:700;color:var(--navy);background:#FFF8E8;border:1px dashed var(--gold);border-radius:12px;padding:14px 18px;margin:10px 0 14px;text-align:center}
@media (max-width:700px){.cmd-formula{font-size:16px}}
/* AI 指令思维：对比示范上下排列 */
.prose .ai-demo{display:grid;grid-template-columns:1fr;gap:12px}
.prose .ai-demo .sw-bad p,.prose .ai-demo .sw-good p{white-space:normal;word-break:break-word}
/* ===== AI 考试 ===== */
.exq{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:0 0 14px;scroll-margin-top:150px}
.exq header{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.exq-no{min-width:30px;height:30px;padding:0 8px;border-radius:15px;background:#EEF1FA;color:var(--blue);display:inline-grid;place-items:center;font-weight:700;font-size:14px}
.exq.done .exq-no{background:var(--blue);color:#fff}.exq.ok .exq-no{background:var(--green)}.exq.bad .exq-no{background:var(--red)}.exq.half .exq-no{background:#C98A12}
.exq-tag{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:10px;padding:0 8px}.exq-tag.think{color:#8A5D12;border-color:#EBD6A8;background:#FFF8EA}
.exq-pts{margin-left:auto;font-size:13px;color:var(--muted)}
.exq-img{margin:0 0 10px}.exq-img img{max-height:420px;width:auto;max-width:100%;border-radius:10px;cursor:zoom-in;background:#eee}
.exq-vid{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin:0 0 10px}.exq-vid video{width:280px;max-width:100%;border-radius:10px;background:#000}.exq-vid small{color:var(--muted)}
.exq-quote{white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:14px;line-height:1.75;background:#F7F8FC;border:1px dashed #CBD3EA;border-radius:10px;padding:10px 12px;margin:0 0 10px;max-height:340px;overflow:auto}
.exq-stem{font-weight:600;margin:0 0 10px;line-height:1.65}
.exq-opts{display:grid;gap:7px}.exq-opts.judge{grid-template-columns:repeat(2,minmax(0,200px))}
.exq-opt{display:flex;gap:8px;align-items:flex-start;border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;font-size:15px;line-height:1.55;transition:.15s;background:#fff}
.exq-opt:hover{border-color:#9DB0E6}.exq-opt input{margin-top:4px;flex:none;accent-color:var(--blue)}.exq-opt b{color:var(--blue);flex:none}
.exq-opt:has(input:checked){border-color:var(--blue);background:#F1F4FD}
.exq-opt.right{border-color:var(--green)!important;background:#E8F6EE!important}.exq-opt.wrong{border-color:var(--red)!important;background:#FCECEA!important}
.exq-opt:has(input:disabled){cursor:default}
.exq-fill{width:100%;max-width:420px;padding:10px 12px;border:1px solid #CBD2E1;border-radius:10px;background:#fff}
.exq-essay{width:100%;padding:10px 12px;border:1px solid #CBD2E1;border-radius:10px;font-family:inherit;font-size:15px;line-height:1.75;resize:vertical;min-height:150px;background:#fff}
.exq-fill:focus,.exq-essay:focus{outline:2px solid #B8C6F0;border-color:var(--blue)}
.exq-hint{font-size:13px;color:#7A5410;background:#FFF8EA;border-radius:8px;padding:6px 10px;margin:0 0 8px}
.exq-cnt{text-align:right;font-size:12px;color:var(--muted)}
.exq-act{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px}
.exq-fb{margin-top:12px;border-radius:10px;padding:12px 14px;background:#F6F7FA;font-size:14px;line-height:1.7}
.exq-fb.ok{background:#EAF6EF}.exq-fb.bad{background:#FCEFED}.exq-fb.half{background:#FFF6E2}.exq-fb.es{background:#F5F3FC}
.exq-verdict{font-weight:700;font-size:15px;display:flex;gap:10px;align-items:baseline}.exq-fb.ok .exq-verdict{color:var(--green)}.exq-fb.bad .exq-verdict{color:var(--red)}.exq-fb.half .exq-verdict{color:#9A6B00}
.exq-verdict small{font-weight:400;color:var(--muted)}
.exq-key{margin:4px 0}.exq-key b{color:var(--green)}.exq-key .mine{margin-left:14px;color:var(--muted)}
.exq-exp{color:#3A4460;margin:6px 0 0}
.exq-scores{display:flex;gap:18px;flex-wrap:wrap;align-items:baseline}.exq-scores b{font-size:20px;color:var(--blue);margin:0 2px}.exq-scores b.tg{color:var(--green)}.exq-scores small{color:var(--muted);margin-left:4px}.exq-scores em{color:#8A6D1F;font-style:normal}
.exq-tnote{background:#EAF6EF;border-radius:8px;padding:8px 10px;margin:8px 0}
.exq-rub{margin:8px 0}.exq-rub ul{list-style:none;padding:0;margin:4px 0}.exq-rub li{display:flex;gap:10px;padding:3px 0;border-bottom:1px solid #E7E4F2}.exq-rub li em{margin-left:auto;font-style:normal;color:#8A5D12;white-space:nowrap}
.exq-ai,.exq-ref{margin:6px 0}.exq-ai summary,.exq-ref summary{cursor:pointer;color:var(--blue);font-weight:600}
.exq-ai pre,.exq-ref pre{white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:13.5px;line-height:1.8;margin:6px 0 0;background:#fff;border-radius:8px;padding:8px 10px}
.ex-hero{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;background:linear-gradient(135deg,#0B1633,#1C3FAA);color:#fff;border-radius:16px;padding:22px 24px;margin-bottom:16px}
.ex-hero h2{font-size:24px;margin-bottom:4px}.ex-hero p{opacity:.9;max-width:720px;font-size:14px}.ex-hero b{color:var(--gold2)}.ex-hero .btn.line{background:#fff;color:var(--ink)}
.ex-hero .cnt,.ex-nav .cnt{background:var(--red);color:#fff;border-radius:9px;font-size:11px;padding:0 6px;font-style:normal}
.ex-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:16px}
.ex-stats div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}.ex-stats small{display:block;color:var(--muted);font-size:12px}.ex-stats b{font-size:26px;color:var(--blue);margin-right:4px}.ex-stats b.red{color:var(--red)}.ex-stats span{font-size:12px;color:var(--muted)}
.ex-h{font-size:17px;margin:22px 0 10px}.ex-h small{font-weight:400;font-size:13px}
.ex-modes{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.ex-mode{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:8px;border-top:4px solid var(--blue)}
.ex-mode.m-final{border-top-color:var(--gold)}.ex-mode.m-mock{border-top-color:#5B3CB5}.ex-mode.m-wrong{border-top-color:var(--red)}.ex-mode.m-special{border-top-color:var(--green)}
.ex-mode h4{font-size:16px}.ex-mode p{font-size:13px;color:var(--muted);flex:1}
.ex-mode-f{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.ex-mode-f form{display:flex;gap:8px;flex-wrap:wrap}.ex-mode-f select{padding:6px 8px;border:1px solid var(--line);border-radius:8px;max-width:190px}
.ex-mastery,.ex-cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:6px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.ex-mastery div,.ex-cats div{display:flex;align-items:center;gap:8px;font-size:13px}.ex-mastery span,.ex-cats span{width:64px;flex:none}
.ex-mastery i,.ex-cats i{flex:1;height:7px;border-radius:4px;background:#EEF0F4;overflow:hidden}.ex-mastery i b,.ex-cats i b{display:block;height:100%;background:linear-gradient(90deg,var(--blue),#5B7BE0)}
.ex-mastery small,.ex-cats small{width:62px;text-align:right;color:var(--muted)}
.ex-hist td small{display:block}
.ex-bar{position:sticky;top:76px;z-index:20;display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:rgba(255,255,255,.97);border:1px solid var(--line);border-radius:14px;padding:10px 14px;margin-bottom:10px;box-shadow:0 4px 16px rgba(11,22,51,.06)}
.ex-bar>div:first-child{flex:1;min-width:200px}.ex-bar small{display:block;color:var(--muted);font-size:12px}
.ex-timer{font:700 20px/1 ui-monospace,Consolas,monospace;background:#EEF1FA;color:var(--blue);border-radius:8px;padding:7px 10px}.ex-timer.warn{background:#FFF1D6;color:#9A6B00}.ex-timer.danger{background:#FCE4E1;color:var(--red)}
.ex-prog{font-size:14px;color:var(--muted)}.ex-prog b{color:var(--ink)}
.ex-nav{display:flex;flex-wrap:wrap;gap:5px;margin:0 0 10px}
.ex-nav a{width:32px;height:28px;display:grid;place-items:center;border:1px solid var(--line);border-radius:7px;font-size:12px;background:#fff;color:var(--muted)}
.ex-nav a.ans{background:#E8EEFC;border-color:#B8C6F0;color:var(--blue)}.ex-nav a.ok{background:var(--green);color:#fff;border-color:var(--green)}.ex-nav a.bad{background:var(--red);color:#fff;border-color:var(--red)}.ex-nav a.es{background:#5B3CB5;color:#fff;border-color:#5B3CB5}
.ex-foot{text-align:center;margin:20px 0}
.ex-result{display:flex;gap:20px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin-bottom:14px}
.ex-score{text-align:center;min-width:140px;padding:14px;border-radius:14px;background:linear-gradient(135deg,#0B1633,#1C3FAA);color:#fff}.ex-score small{display:block;opacity:.8}.ex-score b{font-size:46px;line-height:1.1;color:var(--gold2)}.ex-score span{opacity:.8}
.ex-rinfo{flex:1;min-width:240px}.ex-rinfo h2{font-size:21px}.ex-rinfo p{margin:4px 0}.ex-rinfo .btn-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.ex-rinfo .btn-row form{display:inline}
.ex-cats{margin-bottom:12px}
.ex-filter{margin:6px 0 12px;font-size:14px}
.ex-wmeta{font-size:12px;color:var(--muted);margin:0 0 4px 4px}
.ex-lb{position:fixed;inset:0;background:rgba(5,10,25,.85);z-index:300;display:flex;align-items:center;justify-content:center;padding:16px;cursor:zoom-out}.ex-lb[hidden]{display:none}.ex-lb img{max-width:96vw;max-height:92vh;border-radius:8px}
@media (max-width:860px){.ex-stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.exq{padding:12px}.exq-opts.judge{grid-template-columns:1fr 1fr}.ex-bar{gap:8px;padding:8px 10px}.ex-timer{font-size:17px}.ex-score b{font-size:38px}.ex-nav a{width:30px}}
.acc-main{min-width:0}
@media (max-width:560px){.ex-rinfo{min-width:0;flex-basis:100%}.ex-score{flex:1}.ex-bar>div:first-child{min-width:0;flex-basis:100%}.ex-hero{padding:18px 16px}.filters{flex-wrap:wrap}}
.ex-mastery,.ex-cats{grid-template-columns:repeat(auto-fill,minmax(min(230px,100%),1fr))}
.exq-opt span{min-width:0;overflow-wrap:anywhere}.exq-stem,.exq-fb{overflow-wrap:anywhere}
@media (max-width:560px){.ex-rinfo .btn,.exq-act .btn,.ex-foot .btn{white-space:normal;text-align:center}.ex-score{min-width:0}}
@media (max-width:560px){.exq-opts.judge{grid-template-columns:repeat(2,minmax(0,1fr))}.ex-cats small,.ex-mastery small{width:52px}}
.ex-cats,.ex-mastery{overflow:hidden}.ex-cats div,.ex-mastery div{min-width:0}
@media (max-width:680px){.acc.wide{grid-template-columns:minmax(0,1fr)}}
.exq-opt{display:flex!important;flex-direction:row;color:var(--ink)}
.exq-opt input[type=radio],.exq-opt input[type=checkbox],.ex-filter input{width:16px;height:16px;padding:0;margin:4px 0 0;flex:none;border-radius:0;box-shadow:none}
.exq-opt span{flex:1}
.ex-filter label{display:flex;align-items:center;gap:8px}
.ex-bar{top:89px}
.ex-hist{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14px}
.ex-hist th,.ex-hist td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.ex-hist th{background:#F7F8FA;color:var(--muted);font-weight:600}.ex-hist a{color:var(--blue)}
.ex-mode-f select{width:auto;padding:7px 10px;font-size:14px}
@media (max-width:860px){.ex-bar{top:76px}}
.ex-gh{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:22px 0 10px;padding:8px 14px;border-radius:10px;background:#0B1633;color:#fff;font-size:16px}.ex-gh small{color:#C9D3F2;font-weight:400;font-size:13px}
.exq-vid.lp{flex-direction:column;align-items:flex-start}.exq-vid.lp video{width:480px;max-width:100%}
.exq-vid video[src$=".mp4"]{max-height:520px}
.exq-sp{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:13px}.exq-sp b{color:#5B3CB5}.exq-sp button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:2px 8px;cursor:pointer;font-size:12px}.exq-sp button.on{background:#5B3CB5;color:#fff;border-color:#5B3CB5}.exq-sp small{color:var(--muted)}