/* ═══════════════════════════════════════════════════════════
   2026 国家网络安全宣传周 · 江西财经职业学院学习专题
   设计：深海军蓝安全指挥中心 + 电光薄荷绿 + 等宽字体读数
   ═══════════════════════════════════════════════════════════ */

:root{
  --bg:#000c2d;
  --panel:#061a3f;
  --panel-2:#041233;
  --line:#16305e;
  --line-2:#123067;
  --mint:#20de86;
  --mint-tint:#e9faf4;
  --mint-ink:#0a3d33;
  --text:#ffffff;
  --sub:#bfc2cb;
  --rail-w:64px;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"Cascadia Mono","SF Mono",Consolas,Menlo,"Droid Sans Mono",monospace;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--mint);color:var(--bg)}
a{color:inherit}
img{display:block;max-width:100%}
em{font-style:normal}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase}
.mint{color:var(--mint)}

/* ── 左侧固定信息栏 ─────────────────────────── */
.rail{
  display:none;position:fixed;left:0;top:0;bottom:0;width:var(--rail-w);z-index:40;
  background:var(--bg);border-right:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:space-between;padding:26px 0;
}
.rail-logo{font-family:var(--mono);font-size:13px;letter-spacing:.3em;color:var(--mint);writing-mode:vertical-rl}
.rail-text{
  writing-mode:vertical-rl;font-family:var(--mono);font-size:11px;
  letter-spacing:.42em;color:var(--sub);
}
.rail-line{width:1px;height:64px;background:repeating-linear-gradient(var(--line-2) 0 4px,transparent 4px 8px)}
.rail-dot{
  width:9px;height:9px;border:2px solid var(--mint);border-radius:50%;
  animation:dotPulse 2.6s ease-in-out infinite;
}
@keyframes dotPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(32,222,134,.45)}
  50%{box-shadow:0 0 0 7px rgba(32,222,134,0)}
}
@media(min-width:1200px){
  .rail{display:flex}
  body{padding-left:var(--rail-w)}
}

/* ── 顶部导航 ───────────────────────────────── */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:26px;
  padding:0 clamp(18px,4vw,44px);height:72px;
  background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;margin-right:auto}
.brand-icon{
  width:34px;height:34px;flex:none;
  filter:drop-shadow(0 0 5px rgba(32,222,134,.5));
  animation:iconPulse 3.2s ease-in-out infinite;
}
@keyframes iconPulse{
  0%,100%{filter:drop-shadow(0 0 4px rgba(32,222,134,.4))}
  50%{filter:drop-shadow(0 0 9px rgba(32,222,134,.85))}
}
.brand-text{display:flex;flex-direction:column;line-height:1.35}
.brand-text strong{font-size:14.5px;font-weight:700;letter-spacing:.04em}
.brand-text em{font-style:normal;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--sub);text-transform:uppercase}
.nav{display:flex;gap:24px}
.nav a{
  position:relative;
  text-decoration:none;font-weight:700;font-size:14.5px;letter-spacing:.05em;
  display:flex;flex-direction:column;align-items:center;line-height:1.3;
  padding:6px 2px;border-bottom:2px solid transparent;
  transition:color .25s var(--ease);
}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav a:hover::after{transform:scaleX(1)}
.nav-en{font-family:var(--mono);font-size:9px;letter-spacing:.22em;color:var(--sub);text-transform:uppercase}
.nav a:hover{color:var(--mint)}
.nav a.active{color:var(--mint);border-bottom-color:var(--mint)}
.nav a.active .nav-en{color:var(--mint)}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line);width:42px;height:42px;border-radius:4px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{width:18px;height:2px;background:var(--text);transition:transform .3s var(--ease),opacity .2s}
@media(max-width:1060px){
  .nav{
    position:fixed;inset:72px 0 auto 0;left:0;flex-direction:column;gap:0;
    background:var(--panel-2);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .45s var(--ease);
  }
  .topbar.nav-open .nav{max-height:440px}
  .nav a{flex-direction:row;gap:12px;align-items:baseline;padding:14px 24px;border-bottom:1px solid var(--line);font-size:16px}
  .nav a.active{border-bottom:1px solid var(--line);background:var(--panel)}
  .nav-toggle{display:flex}
  .topbar.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .topbar.nav-open .nav-toggle span:nth-child(2){opacity:0}
  .topbar.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media(max-width:560px){.brand-text em{display:none}}

/* ── 首屏横幅 ───────────────────────────────── */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  min-height:clamp(580px,80vh,820px);
  display:flex;align-items:center;justify-content:center;
}
.hero-halo{
  position:absolute;inset:0;width:100%;height:100%;
  pointer-events:none;z-index:2;
}
.hero-rain{
  position:absolute;inset:0;width:100%;height:100%;
  pointer-events:none;opacity:.32;z-index:2;
  mask-image:radial-gradient(ellipse 85% 75% at 50% 42%,#000 20%,transparent 85%);
  -webkit-mask-image:radial-gradient(ellipse 85% 75% at 50% 42%,#000 20%,transparent 85%);
}
.hero-grid-bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line-2) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:52px 52px;
  opacity:.18;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 42%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 42%,#000 30%,transparent 78%);
  animation:gridDrift 16s linear infinite;
}
@keyframes gridDrift{to{background-position:52px 52px}}

/* 全域全局赛博动态背景网络 */
.global-cyber-canvas{
  position:fixed;inset:0;width:100%;height:100%;
  pointer-events:none;z-index:1;opacity:.65;
}
/* 鼠标探照灯 */
.hero-spot{
  position:absolute;inset:0;pointer-events:none;opacity:0;
  transition:opacity .6s var(--ease);z-index:3;
  background:radial-gradient(360px circle at var(--mx,50%) var(--my,42%),
    rgba(32,222,134,.16),rgba(55,245,255,.05) 45%,transparent 72%);
}
.hero:hover .hero-spot{opacity:1}

/* 滚动进度条 */
.progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:70;
  background:linear-gradient(90deg,var(--mint),#37f5ff,#7df0c0,var(--mint));
  transform-origin:left;transform:scaleX(0);
  box-shadow:0 0 14px rgba(32,222,134,.85);
}
.hero-inner{
  position:relative;text-align:center;
  padding:clamp(56px,8vh,96px) 22px clamp(56px,8vh,88px);
  max-width:1000px;z-index:4;
}
.eyebrow{color:var(--mint);margin-bottom:26px}
.eyebrow::before,.eyebrow::after{content:"// ";color:var(--sub)}
.eyebrow::after{content:" //"}

/* 高级金属流光标题 */
.hero-title{font-weight:900;line-height:1.22;letter-spacing:.02em}
.hero-title span{
  display:block;font-size:clamp(2.3rem,6vw,4.4rem);
  background:linear-gradient(110deg,#ffffff 0%,#ffffff 42%,#d4f7e8 58%,#ffffff 75%,#ffffff 100%);
  background-size:250% 100%;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  animation:titleShimmer 7s ease-in-out infinite;
}
.hero-title .mint{
  background:linear-gradient(110deg,#7df0c0 0%,var(--mint) 40%,#ffffff 58%,var(--mint) 75%,#7df0c0 100%);
  background-size:250% 100%;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 34px rgba(32,222,134,.45));
  animation:titleShimmer 7s ease-in-out 1.2s infinite,mintBreathe 4.5s ease-in-out 1.2s infinite;
}
@keyframes titleShimmer{
  0%,25%{background-position:100% 0}
  60%,100%{background-position:0% 0}
}

.hero-sub{
  margin-top:22px;font-size:13px;letter-spacing:.5em;color:var(--sub);
  font-family:var(--mono);text-transform:none;
}
.term{
  position:relative;overflow:hidden;
  margin:36px auto 0;max-width:560px;text-align:left;
  background:var(--panel);border:1px solid var(--line);border-radius:6px;
  padding:16px 20px;font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;
  box-shadow:0 18px 50px -20px rgba(0,0,0,.6);
}
.term::before{
  content:"";position:absolute;left:0;right:0;top:-30%;height:26%;
  background:linear-gradient(180deg,transparent,rgba(32,222,134,.07),transparent);
  animation:scanline 5.5s var(--ease) infinite;pointer-events:none;
}
@keyframes scanline{
  0%{top:-30%}
  60%,100%{top:110%}
}
.term-line{display:flex;gap:10px;padding:3px 0;color:var(--sub);white-space:nowrap;overflow:hidden}
.term-line .prompt{color:var(--mint)}
.term-line em{font-style:normal;color:var(--text)}
.term-line em .accent{color:var(--mint)}
.term-line:last-child em::after{
  content:"▌";margin-left:4px;color:var(--mint);
  animation:caretBlink 1.1s steps(2,start) infinite;
}
@keyframes caretBlink{50%{opacity:0}}
/* 旋转流光边框 */
@property --a{syntax:'<angle>';initial-value:0deg;inherits:false}
.term::after{
  content:"";position:absolute;inset:0;border-radius:6px;padding:1px;
  background:conic-gradient(from var(--a),
    transparent 0 70%,rgba(32,222,134,.9) 86%,rgba(125,240,192,.9) 90%,transparent 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask-composite:exclude;
  animation:termBeam 4.5s linear infinite;pointer-events:none;
}
@keyframes termBeam{to{--a:360deg}}
.hero-cta{margin-top:32px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  position:relative;overflow:hidden;
  text-decoration:none;font-weight:700;font-size:14.5px;letter-spacing:.08em;
  padding:13px 26px;border:1px solid var(--line);border-radius:4px;color:var(--text);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.btn::after{
  content:"";position:absolute;top:0;bottom:0;left:-80%;width:45%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-18deg);transition:left .55s var(--ease);pointer-events:none;
}
.btn:hover::after{left:130%}
.btn-mint{
  background:var(--mint);border-color:var(--mint);color:var(--bg);
  animation:btnPulse 2.6s ease-out infinite;
}
@keyframes btnPulse{
  0%{box-shadow:0 0 0 0 rgba(32,222,134,.5)}
  70%{box-shadow:0 0 0 16px rgba(32,222,134,0)}
  100%{box-shadow:0 0 0 0 rgba(32,222,134,0)}
}
.btn-mint:hover{background:#4ceba0;border-color:#4ceba0;transform:translateY(-2px)}
.btn-ghost:hover{border-color:var(--mint);color:var(--mint)}
.btn-s{padding:9px 18px;font-size:13px}
.hero-days{
  list-style:none;margin:40px auto 0;display:flex;gap:10px;flex-wrap:wrap;justify-content:center;
}
.hero-days li{
  border:1px solid var(--line);border-radius:3px;padding:7px 13px;
  color:var(--sub);font-size:11px;letter-spacing:.1em;background:rgba(6,26,63,.5);
  transition:border-color .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease);
}
.hero-days li:hover{
  border-color:var(--mint);color:var(--text);
  box-shadow:0 0 18px -4px rgba(32,222,134,.55);
}
.hero-days li b{color:var(--text);font-weight:700;margin-right:8px}
.hero-days li.is-today{background:var(--mint);border-color:var(--mint);color:var(--bg)}
.hero-days li.is-today b{color:var(--bg)}
.hero-days li.is-today{animation:todayGlow 2.2s ease-in-out infinite}
@keyframes todayGlow{
  0%,100%{box-shadow:0 0 0 0 rgba(32,222,134,.5)}
  50%{box-shadow:0 0 0 6px rgba(32,222,134,0)}
}

/* 入场编排：克制的阶梯式浮现 */
.rise{opacity:0;transform:translateY(14px);animation:rise .6s var(--ease) forwards}
.d1{animation-delay:.08s}.d2{animation-delay:.2s}.d3{animation-delay:.32s}
.d4{animation-delay:.44s}.d5{animation-delay:.56s}.d6{animation-delay:.68s}.d7{animation-delay:.8s}
.d8{animation-delay:.95s}
@keyframes rise{to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.rise{animation:none;opacity:1;transform:none}}



/* ── 通用板块 ─────────────────────────────── */
.section{
  position:relative;z-index:2;
  padding:clamp(64px,8vw,110px) clamp(20px,4vw,44px);
}
.section>*{max-width:1240px;margin-left:auto;margin-right:auto}
.section-panel{
  background:rgba(4,18,51,.75);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.section-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(32,222,134,.6),transparent);
  background-size:45% 100%;background-repeat:no-repeat;
  animation:panelBeam 8s linear infinite;
}
@keyframes panelBeam{from{background-position:-60% 0}to{background-position:160% 0}}
.sec-head{
  position:relative;margin-bottom:clamp(34px,4vw,52px);
  padding-bottom:20px;
}
.sec-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(32,222,134,.4),rgba(22,48,94,.6) 40%,transparent 72%);
}
.sec-head::before{
  content:"";position:absolute;bottom:0;left:0;width:140px;height:1px;z-index:1;
  background:linear-gradient(90deg,transparent,var(--mint),#7df0c0,transparent);
  animation:headBeam 5s var(--ease) infinite;
}
@keyframes headBeam{
  0%{left:0;opacity:0}
  12%{opacity:1}
  80%{opacity:1}
  100%{left:calc(100% - 140px);opacity:0}
}
.sec-label{color:var(--mint);margin-bottom:12px}
.sec-label::before{content:"[ "}.sec-label::after{content:" ]"}
.sec-title{
  font-weight:900;font-size:clamp(1.75rem,3.6vw,2.6rem);
  letter-spacing:.02em;line-height:1.3;
}
.sec-title .mint{text-shadow:0 0 22px rgba(32,222,134,.5)}
.sec-desc{color:var(--sub);font-size:15px;max-width:52em;margin-top:10px}
.src-note{margin-top:26px;color:var(--sub)}
.src-note a{color:var(--mint);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;transition:text-decoration-color .3s}
.src-note a:hover{text-decoration-color:var(--mint)}

/* ── 官方海报 ───────────────────────────────── */
.poster-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.poster{
  position:relative;
  display:block;text-decoration:none;background:rgba(6,26,63,.8);
  border:1px solid var(--line);border-radius:6px;overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.poster::after{
  content:"";position:absolute;top:0;bottom:0;left:-90%;width:55%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.22),transparent);
  transform:skewX(-16deg);transition:left .7s var(--ease);pointer-events:none;
}
.poster:hover::after{left:140%}
.poster img{width:100%;height:auto;aspect-ratio:1280/2304;object-fit:cover}
.poster span{
  display:block;padding:10px 14px;color:var(--sub);
  border-top:1px solid var(--line);background:rgba(4,18,51,.6);
}
.poster:hover{
  transform:translateY(-6px);border-color:var(--mint);
  box-shadow:0 18px 40px -12px rgba(0,0,0,.65),0 0 34px -6px rgba(32,222,134,.5);
}
.poster:hover span{color:var(--mint)}
@media(max-width:1000px){.poster-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.poster-grid{grid-template-columns:repeat(2,1fr);gap:14px}}

/* ── 视频课堂 ───────────────────────────────── */
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.vcard{
  display:flex;flex-direction:column;text-decoration:none;background:rgba(6,26,63,.85);
  border:1px solid var(--line);border-radius:8px;overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
  position:relative;
}
.vcard:hover{
  transform:translateY(-6px);border-color:var(--mint);
  box-shadow:0 18px 40px -12px rgba(0,0,0,.65),0 0 34px -6px rgba(32,222,134,.5);
}
.vcard-thumb-box{
  position:relative;width:100%;aspect-ratio:900/530;overflow:hidden;background:#031027;
}
.vcard-thumb{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .4s var(--ease),filter .4s var(--ease);
}
.vcard:hover .vcard-thumb{
  transform:scale(1.05);filter:brightness(1.05);
}
.vcard-thumb-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,16,39,.1) 0%,rgba(3,16,39,.6) 100%);
  display:flex;align-items:center;justify-content:center;
  pointer-events:none;
}
.play{
  width:52px;height:52px;border:2px solid var(--mint);border-radius:50%;
  position:relative;flex:none;transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
  background:rgba(4,18,51,.65);backdrop-filter:blur(4px);
}
.play::before{
  content:"";position:absolute;inset:-2px;border-radius:50%;
  border:2px solid var(--mint);opacity:0;
}
.vcard:hover .play::before{animation:playPing 1.4s ease-out infinite}
@keyframes playPing{
  0%{transform:scale(1);opacity:.7}
  100%{transform:scale(1.55);opacity:0}
}
.play::after{
  content:"";position:absolute;left:20px;top:16px;
  border-left:16px solid var(--mint);border-top:10px solid transparent;border-bottom:10px solid transparent;
}
.vcard:hover .play{
  background:var(--mint);transform:scale(1.08);box-shadow:0 0 20px var(--mint);
}
.vcard:hover .play::after{border-left-color:var(--bg)}
.vtag-float{
  position:absolute;top:12px;right:12px;z-index:2;
  box-shadow:0 4px 12px rgba(0,0,0,.4);backdrop-filter:blur(6px);
}
.vcard-body{
  padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;
}
.vcard-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}

/* 音频跳动频谱柱 */
.vcard-wave{
  display:flex;align-items:flex-end;gap:3px;height:18px;
}
.vcard-wave span{
  width:3px;background:rgba(32,222,134,.6);border-radius:2px;
  animation:waveDance 1.2s ease-in-out infinite alternate;
}
.vcard-wave span:nth-child(1){height:6px;animation-delay:.1s}
.vcard-wave span:nth-child(2){height:16px;animation-delay:.4s}
.vcard-wave span:nth-child(3){height:10px;animation-delay:.25s}
.vcard-wave span:nth-child(4){height:18px;animation-delay:.5s}
.vcard-wave span:nth-child(5){height:8px;animation-delay:.15s}
.vcard-wave span:nth-child(6){height:14px;animation-delay:.35s}
.vcard:hover .vcard-wave span{background:var(--mint);box-shadow:0 0 6px var(--mint)}
@keyframes waveDance{
  0%{transform:scaleY(.3)}
  100%{transform:scaleY(1.3)}
}
.vtag{
  background:var(--mint-tint);color:var(--mint-ink);
  padding:5px 11px;border-radius:999px;font-size:10px;font-weight:700;
}
.vcard h3{font-size:20px;font-weight:900;margin-bottom:8px;letter-spacing:.02em}
.vcard p{color:var(--sub);font-size:14px;line-height:1.6}
.vfrom{font-size:11px;color:var(--sub);opacity:.85}
.video-more{margin-top:26px}
@media(max-width:820px){.video-grid{grid-template-columns:1fr}}

/* ── 必修课 ───────────────────────────────── */
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 36px}
.ccard{
  border-top:1px solid var(--line);padding:24px 0 28px;
  transition:border-color .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.ccard:hover{
  border-top-color:var(--mint);
  background:linear-gradient(180deg,rgba(32,222,134,.06),transparent 55%);
  box-shadow:0 20px 36px -26px rgba(32,222,134,.35);
}
.cidx{color:var(--mint);margin-bottom:12px}
.ccard h3{font-size:19px;font-weight:900;margin-bottom:8px;letter-spacing:.02em}
.ccard p{color:var(--sub);font-size:14.5px}
.ccard b{color:var(--mint);font-weight:700}
.law-strip{
  margin-top:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:16px 2px;display:flex;gap:22px;align-items:center;flex-wrap:wrap;
}
.law-label{color:var(--mint)}
.law-strip ul{list-style:none;display:flex;gap:10px 22px;flex-wrap:wrap}
.law-strip li{font-size:14.5px;color:var(--text);font-weight:600;transition:color .25s var(--ease),text-shadow .25s var(--ease)}
.law-strip li:hover{color:var(--mint);text-shadow:0 0 14px rgba(32,222,134,.6)}
.law-strip li::before{content:"§ ";color:var(--mint);font-family:var(--mono)}
@media(max-width:960px){.course-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.course-grid{grid-template-columns:1fr}}

/* ── 权威图文 ───────────────────────────────── */
.news-list{list-style:none;border-top:1px solid var(--line)}
.news-list li{border-bottom:1px solid var(--line)}
.news-list a{
  display:grid;grid-template-columns:230px 1fr;gap:6px 30px;
  padding:22px 6px;text-decoration:none;
  transition:background .2s var(--ease);
}
.news-list a:hover{background:var(--panel)}
.n-src{color:var(--mint);margin-top:5px}
.news-list h3{
  font-size:18.5px;font-weight:700;line-height:1.5;
  text-decoration:underline;text-decoration-color:transparent;
  text-underline-offset:5px;text-decoration-thickness:2px;
  transition:text-decoration-color .3s;
}
.news-list a:hover h3{text-decoration-color:var(--mint)}
.news-list p{grid-column:2;color:var(--sub);font-size:14px}
@media(max-width:760px){
  .news-list a{grid-template-columns:1fr}
  .news-list p{grid-column:1}
}

/* ── 校园行动 ───────────────────────────────── */
.todo-list{list-style:none;border-top:1px solid var(--line)}
.todo-list li{
  display:grid;grid-template-columns:74px 1fr auto;gap:8px 24px;align-items:center;
  padding:24px 6px;border-bottom:1px solid var(--line);
}
.t-no{color:var(--mint);font-size:13px}
.todo-list h3{font-size:18px;font-weight:900;letter-spacing:.02em}
.t-time{color:var(--sub);font-size:10.5px;margin-left:10px;letter-spacing:.14em}
.todo-list p{color:var(--sub);font-size:14px;margin-top:4px}
@media(max-width:760px){
  .todo-list li{grid-template-columns:1fr;align-items:start}
  .todo-list .btn{justify-self:start}
}

/* ── 资源库 ───────────────────────────────── */
.link-bands{border-top:1px solid var(--line)}
.bandrow{
  display:grid;grid-template-columns:74px 1fr auto;gap:8px 26px;align-items:center;
  padding:20px 10px;border-bottom:1px solid var(--line);text-decoration:none;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .3s var(--ease);
}
.band-no{color:var(--mint)}
.band-name{font-size:17px;font-weight:900;letter-spacing:.02em}
.band-name small{display:block;font-weight:400;font-size:13px;color:var(--sub);margin-top:2px}
.band-go{color:var(--sub);transition:transform .3s var(--ease),color .2s var(--ease)}
.bandrow:hover{background:var(--mint);color:var(--bg);box-shadow:0 0 34px -8px rgba(32,222,134,.6)}
.bandrow:hover .band-no{color:var(--bg)}
.bandrow:hover .band-name small{color:var(--bg);opacity:.75}
.bandrow:hover .band-go{color:var(--bg);transform:translateX(6px)}
@media(max-width:700px){.bandrow{grid-template-columns:1fr;gap:2px}}

/* ── 页脚 ───────────────────────────────── */
.footer{border-top:1px solid var(--line)}
.footer-cta{
  position:relative;overflow:hidden;
  background:var(--mint);color:var(--bg);text-align:center;
  padding:clamp(30px,4vw,44px) 20px;
}
.footer-cta::after{
  content:"";position:absolute;top:0;bottom:0;left:-45%;width:32%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.3),transparent);
  transform:skewX(-16deg);animation:sheen 5.5s var(--ease) infinite;pointer-events:none;
}
@keyframes sheen{
  0%{left:-45%}
  55%,100%{left:135%}
}
.footer-cta .mono{letter-spacing:.3em;margin-bottom:8px;font-weight:700}
.footer-cta a{
  color:var(--bg);font-weight:900;font-size:clamp(1.2rem,2.6vw,1.7rem);
  text-decoration:underline;text-decoration-color:rgba(0,12,45,.35);
  text-underline-offset:6px;text-decoration-thickness:2px;
}
.footer-cta a:hover{text-decoration-color:var(--bg)}
.footer-main{background:#00091f;text-align:center;padding:clamp(36px,5vw,56px) 22px}
.f-title{font-weight:900;font-size:clamp(1.05rem,2.2vw,1.4rem);letter-spacing:.06em}
.f-theme{color:var(--mint);margin-top:10px;font-size:11.5px;letter-spacing:.22em}
.f-note{
  margin:20px auto 0;font-size:12.5px;line-height:2;color:var(--sub);max-width:58em;
}
.footer-bar{
  background:#00061a;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:14px clamp(20px,4vw,44px);color:var(--sub);font-size:10px;
}

/* ── 回到顶部 ───────────────────────────────── */
.totop{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:44px;height:44px;background:var(--mint);color:var(--bg);
  border:none;border-radius:4px;font-size:19px;font-weight:700;cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),background .2s;
}
.totop.show{opacity:1;pointer-events:auto;transform:none}
.totop:hover{background:#4ceba0;transform:translateY(-3px)}

/* ── 细节：键盘焦点 · 新闻箭头 · 标题呼吸光 ──── */
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:2px}
.news-list h3::after{
  content:" →";color:var(--mint);opacity:0;
  display:inline-block;transform:translateX(-4px);
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.news-list a:hover h3::after{opacity:1;transform:translateX(2px)}
.hero-title .mint{
  animation:rise .6s var(--ease) .32s forwards,mintBreathe 4.5s ease-in-out 1.2s infinite;
}
@keyframes mintBreathe{
  0%,100%{text-shadow:0 0 34px rgba(32,222,134,.35)}
  50%{text-shadow:0 0 48px rgba(32,222,134,.6)}
}

/* ── 减弱动画偏好统一降级 ────────────────────── */
@media(prefers-reduced-motion:reduce){
  .hero-grid-bg,.hero-rings,.hero-sweep::before,.rail-dot,.term::before,.term::after,
  .term-line:last-child em::after,.hero-days li.is-today,.brand-icon,
  .vcard:hover .play::before,.hero-title .mint,.btn-mint,.sec-head::before,
  .section-panel::before,.footer-cta::after{animation:none !important}
  .btn::after,.poster::after{display:none}
}

/* ═══════════════════════════════════════════════════════════
   动效强化层：极光 · 数字雨 · 光束 · 故障字 · HUD · 数据条
              跑马灯 · 滚动浮现 · 倾斜辉光 · 自定义光标 · 视差
   ═══════════════════════════════════════════════════════════ */

/* Hero 鼠标视差（--hpx/--hpy 由 JS 写入） */
.hero-grid-bg{transform:translate(calc(var(--hpx,0px)*.9),calc(var(--hpy,0px)*.9));transition:transform .8s ease-out}
.hero-sweep{transform:translate(calc(-50% + var(--hpx,0px)*.55),calc(-50% + var(--hpy,0px)*.55));transition:transform .6s ease-out}
.hero-inner{z-index:4;padding-bottom:clamp(100px,13vh,132px)}

/* 极光色场 */
.hero-aurora{position:absolute;inset:0;overflow:hidden;pointer-events:none;filter:blur(52px) saturate(1.15)}
.hero-aurora i{position:absolute;border-radius:50%;mix-blend-mode:screen;will-change:transform}
.hero-aurora i:nth-child(1){width:46vw;height:46vw;left:-12%;top:-16%;opacity:.5;background:radial-gradient(circle,rgba(23,118,255,.35),transparent 66%);animation:auroraA 19s ease-in-out infinite alternate}
.hero-aurora i:nth-child(2){width:40vw;height:40vw;right:-12%;top:6%;opacity:.42;background:radial-gradient(circle,rgba(32,222,134,.24),transparent 66%);animation:auroraB 23s ease-in-out infinite alternate}
.hero-aurora i:nth-child(3){width:52vw;height:52vw;left:20%;bottom:-32%;opacity:.4;background:radial-gradient(circle,rgba(88,64,230,.22),transparent 66%);animation:auroraC 27s ease-in-out infinite alternate}
@keyframes auroraA{from{transform:translate(0,0) scale(1)}to{transform:translate(9vw,7vh) scale(1.18)}}
@keyframes auroraB{from{transform:translate(0,0) scale(1.08)}to{transform:translate(-8vw,10vh) scale(.94)}}
@keyframes auroraC{from{transform:translate(0,0) scale(.94)}to{transform:translate(6vw,-9vh) scale(1.16)}}

/* 数字雨画布 */
.hero-rain{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.17}

/* 纵向数据光束 */
.hero-beams{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-beams i{position:absolute;top:0;width:1px;height:34%;background:linear-gradient(180deg,transparent,rgba(32,222,134,.55),transparent);animation:beamDrop 7s ease-in infinite}
.hero-beams i:nth-child(1){left:13%;animation-delay:.4s}
.hero-beams i:nth-child(2){left:37%;height:46%;animation-delay:2.8s;animation-duration:8.5s}
.hero-beams i:nth-child(3){left:62%;animation-delay:1.6s;animation-duration:6.2s}
.hero-beams i:nth-child(4){left:86%;height:40%;animation-delay:4.4s}
@keyframes beamDrop{0%{transform:translateY(-130%);opacity:0}12%{opacity:.85}70%{opacity:.5}100%{transform:translateY(330%);opacity:0}}

/* 轨道环新增件：刻度环 + 反向六边形 */
.hero-rings .tick-ring{opacity:.22}
.hero-rings .hex-ring{transform-box:fill-box;transform-origin:center;animation:hexSpin 46s linear infinite}
@keyframes hexSpin{to{transform:rotate(-360deg)}}

/* 标题故障字（周期性爆发，青/红错位切片） */
.glitch{position:relative}
.glitch::before,.glitch::after{
  content:attr(data-text);position:absolute;left:0;top:0;width:100%;
  opacity:0;pointer-events:none;text-shadow:none;
}
.glitch::before{color:#37f5ff;animation:glitchA 6.4s steps(1,end) infinite}
.glitch::after{color:#ff3e6c;animation:glitchB 6.4s steps(1,end) .32s infinite}
@keyframes glitchA{
  0%,87%{opacity:0;transform:none;clip-path:inset(0 0 100% 0)}
  88%{opacity:.9;transform:translate(-4px,-2px);clip-path:inset(10% 0 58% 0)}
  90%{opacity:.9;transform:translate(3px,1px);clip-path:inset(62% 0 12% 0)}
  92%{opacity:.9;transform:translate(-3px,2px);clip-path:inset(36% 0 42% 0)}
  94%{opacity:.85;transform:translate(4px,-1px);clip-path:inset(76% 0 4% 0)}
  95%,100%{opacity:0;transform:none;clip-path:inset(0 0 100% 0)}
}
@keyframes glitchB{
  0%,86%{opacity:0;transform:none;clip-path:inset(0 0 100% 0)}
  87%{opacity:.85;transform:translate(4px,1px);clip-path:inset(70% 0 6% 0)}
  89%{opacity:.85;transform:translate(-3px,-2px);clip-path:inset(14% 0 64% 0)}
  91%{opacity:.85;transform:translate(2px,2px);clip-path:inset(48% 0 28% 0)}
  93%{opacity:.8;transform:translate(-4px,-1px);clip-path:inset(4% 0 78% 0)}
  94%,100%{opacity:0;transform:none;clip-path:inset(0 0 100% 0)}
}

/* 终端 HUD 角标 */
.hud{position:absolute;width:12px;height:12px;pointer-events:none;opacity:.9}
.hud-tl{top:-1px;left:-1px;border-top:2px solid var(--mint);border-left:2px solid var(--mint)}
.hud-tr{top:-1px;right:-1px;border-top:2px solid var(--mint);border-right:2px solid var(--mint)}
.hud-bl{bottom:-1px;left:-1px;border-bottom:2px solid var(--mint);border-left:2px solid var(--mint)}
.hud-br{bottom:-1px;right:-1px;border-bottom:2px solid var(--mint);border-right:2px solid var(--mint)}

/* Hero 数据读数条 */
.hero-stats{
  list-style:none;display:flex;justify-content:center;align-items:stretch;
  gap:clamp(16px,4vw,56px);flex-wrap:wrap;
  margin-top:38px;padding-top:24px;border-top:1px solid var(--line);
}
.hero-stats li{display:flex;flex-direction:column;align-items:center;gap:5px}
.hero-stats b{
  display:inline-block;font-family:var(--mono);font-weight:700;
  font-size:clamp(1.55rem,3.4vw,2.25rem);color:var(--mint);
  text-shadow:0 0 20px rgba(32,222,134,.45);font-variant-numeric:tabular-nums;
}
.hero-stats b.done{animation:statPop .5s var(--ease)}
@keyframes statPop{0%{transform:scale(1)}40%{transform:scale(1.14)}100%{transform:scale(1)}}
.hero-stats span{font-size:9.5px;letter-spacing:.16em;color:var(--sub)}

/* Hero 底部跑马灯 */
.hero-ticker{
  position:absolute;left:0;right:0;bottom:0;z-index:5;overflow:hidden;
  border-top:1px solid var(--line);background:rgba(3,14,40,.78);
  backdrop-filter:blur(8px);padding:10px 0;pointer-events:none;
}
.ticker-track{display:flex;width:max-content;animation:tickerScroll 30s linear infinite}
.ticker-set{display:flex;align-items:center;gap:38px;padding-right:38px;flex:none}
.ticker-set span{font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--sub);white-space:nowrap;text-transform:uppercase}
.ticker-set span.tk{color:var(--mint)}
.ticker-set i{font-style:normal;color:var(--mint);font-size:8px;opacity:.75}
@keyframes tickerScroll{to{transform:translateX(-50%)}}

/* 滚动浮现（JS 自动挂载，进场后卸载还原） */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv-in{opacity:1;transform:none}

/* 卡片辉光跟随（--gx/--gy 由 JS 写入） */
.vcard{position:relative}
.ccard{position:relative}
.poster::before,.vcard::before,.ccard::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;
  background:radial-gradient(260px circle at var(--gx,50%) var(--gy,40%),rgba(32,222,134,.15),transparent 65%);
  opacity:0;transition:opacity .3s var(--ease);
}
.poster:hover::before,.vcard:hover::before,.ccard:hover::before{opacity:1}

/* 板块标题互动：呼吸点 + 色差悬浮 */
.sec-title .mint{animation:mintBlink 1.3s steps(2,start) infinite}
@keyframes mintBlink{50%{opacity:.25}}
.sec-title{transition:text-shadow .25s var(--ease)}
.sec-title:hover{text-shadow:-2px 0 rgba(55,245,255,.5),2px 0 rgba(255,62,108,.5),0 0 26px rgba(32,222,134,.35)}

/* 顶栏滚动态 */
.topbar.scrolled{background:color-mix(in srgb,var(--bg) 96%,#000);box-shadow:0 12px 32px -18px rgba(0,0,0,.85)}

/* 全局颗粒噪点 */
body::after{
  content:"";position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

/* 自定义光标（JS 仅在精细指针下启用） */
.cursor-dot,.cursor-ring{position:fixed;left:0;top:0;z-index:99;pointer-events:none;border-radius:50%;opacity:0}
body.cursor-on .cursor-dot,body.cursor-on .cursor-ring{opacity:1}
.cursor-dot{width:6px;height:6px;margin:-3px 0 0 -3px;background:var(--mint);box-shadow:0 0 10px rgba(32,222,134,.9)}
.cursor-ring{
  width:36px;height:36px;margin:-18px 0 0 -18px;border:1px solid rgba(32,222,134,.5);
  transition:opacity .3s,width .22s var(--ease),height .22s var(--ease),margin .22s var(--ease),border-color .22s,background-color .22s;
}
.cursor-ring.hover{width:54px;height:54px;margin:-27px 0 0 -27px;border-color:var(--mint);background:rgba(32,222,134,.07)}
body.cursor-on,body.cursor-on a,body.cursor-on button{cursor:none}

/* 减弱动画偏好微调 */
@media(prefers-reduced-motion:reduce){
  .ticker-track{animation-duration:60s}
}