/* ============================================================
   燎歌 · 官网（四内容世界 + 一个功能终点）
   深黑底 · 冷银字 · 蓝紫渐变 ｜ 视觉语言：轻、克制、有状态
   纪律：首页不解释燎歌 / 探索即工作台 / 关于才承担「是谁」/ 联系是终点
   ============================================================ */
:root{
  --bg:#F4F6FB; --bg2:#FFFFFF; --bg3:#EAEFF6;
  --surface:#FFFFFF; --surface2:#F1F4FA;
  --line:rgba(28,38,64,.12); --line-soft:rgba(28,38,64,.07);
  --ink:#141A26; --ink-dim:#4B5368; --ink-mute:#8B94A8;
  --brand:#3D63F5; --accent:#7A45FF; --gold:#C1882A;
  --grad:linear-gradient(135deg,#3D63F5 0%,#7A45FF 100%);
  --f-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sp-4:12px; --sp-5:16px; --sp-6:24px; --sp-7:40px; --sp-8:72px;
  --r-md:12px; --r-lg:18px;
  --dur:.4s; --ease:cubic-bezier(.22,.61,.36,1);
  --mx:50%; --my:50%;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--f-mono)}

/* ===== 全站轻互动背景：光标柔光 ===== */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(600px circle at var(--mx) var(--my), rgba(61,99,245,.12), transparent 60%);
  opacity:.6;transition:opacity .3s}
body:hover::before{opacity:1}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;padding:14px clamp(18px,4vw,40px);
  background:rgba(244,246,251,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.scrolled{border-bottom-color:var(--line-soft);background:rgba(244,246,251,.94)}
.nav .logo{display:flex;align-items:center;gap:10px}
.nav .logo .logo-img{height:34px;width:auto;filter:brightness(.28) contrast(1.25) drop-shadow(0 1px 1px rgba(20,26,38,.12))}
.nav .logo .logo-txt{font-size:15px;font-weight:600;letter-spacing:.1em;line-height:1.1;color:var(--ink)}
.nav .logo .logo-txt .sub{font-size:7px;letter-spacing:.18em;color:var(--ink-dim);font-weight:500;display:block;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:clamp(16px,2.2vw,30px)}
.nav-links a{font-size:14px;color:var(--ink-dim);transition:color .2s;position:relative;padding:4px 0}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink);font-weight:500}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--grad);border-radius:2px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.hamburger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 通用 ===== */
.wrap{max-width:1100px;margin:0 auto;padding:0 clamp(18px,4vw,40px)}
.kicker{font-size:12px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;font-weight:600;font-family:var(--f-mono);display:block;margin-bottom:14px}

/* ===== 首页 / 遇见 ===== */
.home{position:relative;overflow:hidden}
.home-hero{position:relative;min-height:82vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;padding:0 20px 24px}
#heroField{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.home::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(54% 46% at 68% 30%,rgba(61,99,245,.10),transparent 64%),
             radial-gradient(38% 34% at 90% 44%,rgba(122,77,255,.08),transparent 66%),
             radial-gradient(78% 38% at 68% 74%,rgba(61,99,245,.05),transparent 58%),
             radial-gradient(30% 24% at 68% 42%,rgba(122,77,255,.05),transparent 60%);
  mask-image:linear-gradient(to bottom,#000 0%,#000 85%,transparent 100%);
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,#000 85%,transparent 100%)}
.home-hero::after{content:"";position:absolute;left:68%;top:55%;width:min(468px,56vw);height:min(468px,56vw);transform:translate(-50%,calc(-50% + 40px));z-index:0;pointer-events:none;
  background:radial-gradient(circle at 45% 45%,rgba(61,99,245,.12),rgba(122,77,255,.09) 40%,transparent 68%);filter:blur(72px);animation:pulseGlow 5s ease-in-out infinite}
.home-bloom{position:absolute;left:68%;top:55%;width:min(486px,61vw);height:min(486px,61vw);transform:translate(-50%,calc(-50% + 40px));z-index:1;pointer-events:none;
  background:radial-gradient(circle at 45% 45%,rgba(61,99,245,.10),rgba(122,77,255,.08) 38%,transparent 66%);filter:blur(80px);animation:bloomPulse 5.5s ease-in-out infinite}
/* 星轨装饰（右侧视觉重心，与左侧文字形成左右两部分） */
.home-orbit{position:absolute;left:68%;top:55%;transform:translate(-50%,calc(-50% + 40px));border-radius:50%;border:2.5px solid rgba(61,99,245,.46);pointer-events:none;z-index:1}
.home-orbit--1{width:min(740px,92vw);height:min(740px,92vw);animation:orbitRotate 70s linear infinite}
.home-orbit--2{width:min(620px,78vw);height:min(620px,78vw);border-color:rgba(122,77,255,.54);animation:orbitRotate 52s linear infinite reverse}
@keyframes orbitRotate{from{transform:translate(-50%,calc(-50% + 40px)) rotate(0deg)}to{transform:translate(-50%,calc(-50% + 40px)) rotate(360deg)}}
.home-orbit::before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:rgba(122,77,255,.96);box-shadow:0 0 22px rgba(122,77,255,.75),0 0 46px rgba(122,77,255,.35)}
.home-orbit--1::before{top:-7px;left:50%;transform:translateX(-50%)}
.home-orbit--2::before{bottom:-7px;left:50%;transform:translateX(-50%)}
@keyframes pulseGlow{0%,100%{opacity:.45;transform:translate(-50%,calc(-50% + 40px)) scale(1)}50%{opacity:.8;transform:translate(-50%,calc(-50% + 40px)) scale(1.1)}}
@keyframes bloomPulse{0%,100%{opacity:.35;transform:translate(-50%,calc(-50% + 40px)) scale(1)}50%{opacity:.7;transform:translate(-50%,calc(-50% + 40px)) scale(1.08)}}
.home-inner{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;width:100%;max-width:980px;will-change:opacity,transform;
  opacity:0;animation:homeIn 1.1s var(--ease) .15s forwards}
.home-inner .obs{opacity:0;transform:translateY(22px);animation:pieceIn .9s var(--ease) .25s forwards}
/* 中央品牌字（整体加大 30%） */
.brand-mark{display:flex;flex-direction:column;position:relative;width:min(360px,55vw);font-size:clamp(34px,6.8vw,76px);font-weight:700;letter-spacing:.08em;line-height:1.2;
  margin:0 0 10px;margin-left:clamp(-130px,-10vw,-80px);padding-left:28px;background:linear-gradient(180deg,#0D1322 0%,#3D63F5 100%);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:0;transform:translateY(22px);animation:pieceIn .9s var(--ease) .45s forwards}
.brand-mark::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:1px;
  background:linear-gradient(180deg,rgba(61,99,245,0) 0%,rgba(61,99,245,.55) 35%,rgba(122,77,255,.55) 65%,rgba(122,77,255,0) 100%)}
.brand-mark .bm-a{display:block;align-self:flex-start;text-align:left}
.brand-mark .bm-b{display:block;align-self:flex-start;text-align:left}
.brand-sub{display:flex;justify-content:space-between;align-items:center;width:min(360px,55vw);margin-left:clamp(-130px,-10vw,-80px);padding-left:28px;font-size:16px;letter-spacing:.4em;color:var(--ink-dim);text-transform:uppercase;text-align:left;font-family:var(--f-mono);
  margin-top:6px;opacity:0;transform:translateY(22px);animation:pieceIn .9s var(--ease) .55s forwards}
.brand-sub .bs-mid{letter-spacing:.4em}
.brand-sub > span:not(.bs-mid){letter-spacing:0}
@keyframes homeIn{to{opacity:1}}
@keyframes pieceIn{to{opacity:1;transform:none}}


/* 底部地平线已移除（原深色波浪在亮色主题下无意义，改为粒子场软淡出衔接公司简介区） */

.obs{font-size:clamp(16px,2.1vw,21px);color:var(--ink-dim);font-weight:500;letter-spacing:.02em;
  line-height:1.7;max-width:560px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.obs-tag{font-size:11px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase;font-family:var(--f-mono);
  border:1px solid rgba(122,77,255,.40);border-radius:999px;padding:4px 12px}

/* (旧「正在发生」区样式已移除：首页不再有该区块，相关 class 未再使用) */

/* ===== 首页：三个世界（巨大词入口，无卡片） ===== */
.worlds{position:relative;z-index:2;padding:clamp(40px,6vw,84px) clamp(18px,4vw,40px) clamp(44px,6vw,80px)}
.worlds-inner{max-width:1120px;margin:0 auto;display:flex;justify-content:space-between;gap:clamp(20px,4vw,52px)}
.world-gate{flex:1;text-decoration:none;display:flex;flex-direction:column;gap:12px;transition:transform .45s var(--ease),color .45s var(--ease)}
.wg-explore{align-items:flex-start;text-align:left;margin-top:0}
.wg-works{align-items:center;text-align:center;margin-top:clamp(36px,5vw,64px)}
.wg-about{align-items:flex-end;text-align:right;margin-top:clamp(72px,9vw,112px)}
.wg-cn{font-size:clamp(34px,5.5vw,64px);font-weight:600;letter-spacing:.02em;color:var(--ink);line-height:1;transition:color .45s var(--ease)}
.wg-en{font-family:var(--f-mono);font-size:11px;letter-spacing:.34em;color:var(--ink-mute);text-transform:uppercase}
.world-gate:hover{transform:translateY(-6px)}
.world-gate:hover .wg-cn{color:var(--brand)}
@media(max-width:760px){
  .worlds-inner{flex-direction:column;align-items:flex-start;gap:clamp(30px,9vw,52px)}
  .world-gate,.wg-explore,.wg-works,.wg-about{align-items:flex-start;text-align:left;margin-top:0}
}

/* ===== 首页：微量事实 ===== */
.hf-inner{max-width:760px;margin:0 auto;padding-top:clamp(28px,4vw,44px);border-top:1px solid var(--line-soft);
  display:flex;flex-direction:column;gap:8px}
.hf-year{font-family:var(--f-mono);font-size:13px;letter-spacing:.16em;color:var(--ink)}
.hf-co{font-size:14px;color:var(--ink-dim)}
.hf-tags{font-size:12px;letter-spacing:.04em;color:var(--ink-mute)}

/* ===== 滚动揭示 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ===== 首页：轨迹层（真实发生 / 不假装永久） ===== */
  font-size:14px;letter-spacing:.18em;color:var(--ink-dim);white-space:nowrap;
  opacity:0;transform:translate(-50%,-150%);transition:opacity .6s var(--ease);
  text-shadow:0 0 14px rgba(244,246,251,.95)}

/* BRAND */
.brand-sec{position:relative;z-index:2;padding:clamp(36px,5vw,64px) clamp(18px,4vw,40px) clamp(48px,7vw,88px);text-align:center}
.brand-sec-inner{max-width:760px;margin:0 auto}
.brand-sec .kicker{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase}
.brand-sec .obs{margin-top:6px}

/* LIAOGE */
.liaoge{position:relative;z-index:2;padding:clamp(36px,5vw,64px) clamp(18px,4vw,40px) clamp(48px,7vw,84px);text-align:center}
.liaoge-inner{max-width:760px;margin:0 auto}
.liaoge .kicker{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase}
.liaoge-rows{max-width:520px;margin:0 auto 30px;border-top:1px solid var(--line-soft)}
.lr{display:flex;align-items:baseline;gap:18px;padding:16px 4px;border-bottom:1px solid var(--line-soft);text-align:left}
.lr-k{font-size:11px;letter-spacing:.16em;color:var(--accent);min-width:118px;font-family:var(--f-mono)}
.lr-v{font-size:clamp(16px,2vw,20px);color:var(--ink)}
.liaoge-evi{color:var(--ink-dim);font-size:14px;margin:0 auto 34px}
.liaoge-evi a{color:var(--brand);border-bottom:1px solid rgba(61,99,245,.3);padding-bottom:1px}
.liaoge-evi a:hover{color:var(--accent);border-color:var(--accent)}

/* ===== 子页通用开场 ===== */
.page-head{position:relative;z-index:2;max-width:980px;margin:0 auto;
  padding:clamp(132px,17vw,190px) clamp(18px,4vw,40px) clamp(40px,5vw,64px)}
.page-head .kicker{margin-bottom:14px}
.page-head h1{font-size:clamp(28px,4.2vw,46px);font-weight:500;letter-spacing:.01em;line-height:1.25;margin:0;max-width:900px}
.page-head .lead{color:var(--ink-dim);margin-top:18px;max-width:780px;font-size:clamp(15px,1.6vw,17px);line-height:1.85}

/* ===== 探索 / 工作台（记录式列表） ===== */
.exp-body{position:relative;z-index:2;max-width:900px;margin:0 auto;padding:0 clamp(18px,4vw,40px) var(--sp-8)}
.exp-group{margin-bottom:clamp(48px,8vw,80px)}
.exp-group .eg-h{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.exp-group .eg-h .mono{font-size:11px;letter-spacing:.16em;color:var(--ink-mute);text-transform:uppercase;font-family:var(--f-mono)}
.exp-group .eg-h .line{flex:1;height:1px;background:var(--line-soft)}
.record{display:grid;grid-template-columns:92px 1fr;gap:clamp(16px,3vw,28px);
  padding:22px 0;border-bottom:1px solid var(--line-soft);position:relative;transition:background .2s}
.record:first-child{padding-top:0}
.record::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--grad);transform:scaleY(0);transition:transform .35s var(--ease);border-radius:0 2px 2px 0}
.record:hover{background:rgba(28,38,64,.03)}
.record:hover::before{transform:scaleY(1)}
.record .rec-meta{font-family:var(--f-mono);font-size:12px;color:var(--ink-dim);line-height:1.5;padding-top:2px}
.record .rec-meta .id{display:block;color:var(--ink);letter-spacing:.06em;margin-bottom:6px}
.record .rec-meta .status{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;letter-spacing:.04em}
.record .rec-body h3{font-size:clamp(16px,1.8vw,19px);font-weight:500;line-height:1.45;margin:0 0 8px;color:var(--ink)}
.record .rec-body p{font-size:14px;line-height:1.85;color:var(--ink-dim);margin:0;max-width:620px}
.record .rec-body .tags{display:flex;gap:7px;margin-top:12px;flex-wrap:wrap}
.record .rec-body .tags span{font-size:12px;color:var(--ink-dim);border:1px solid var(--line-soft);border-radius:999px;padding:4px 11px}
.status--active{color:#2E5BD6;background:rgba(61,99,245,.10);border:1px solid rgba(61,99,245,.28)}
.status--draft{color:#9C741C;background:rgba(200,150,40,.10);border:1px solid rgba(200,150,40,.28)}
.status--failed{color:#B23A3A;background:rgba(200,60,60,.08);border:1px solid rgba(200,60,60,.26)}
.status--concept{color:#6A3DF0;background:rgba(122,77,255,.10);border:1px solid rgba(122,77,255,.28)}
.status--note{color:var(--ink-dim);background:rgba(28,38,64,.04);border:1px solid var(--line-soft)}
.open-q{padding:clamp(26px,4vw,38px) clamp(22px,3vw,32px);background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);margin-bottom:32px;position:relative;overflow:hidden}
.open-q::after{content:"";position:absolute;right:22px;top:22px;width:32px;height:32px;border:1px solid var(--line-soft);border-radius:50%}
.open-q .oq-meta{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.open-q h3{font-size:clamp(18px,2.4vw,24px);font-weight:500;line-height:1.5;margin:0;color:var(--ink);max-width:720px}

/* (旧作品画廊区 work-hero/work-card/works-more 样式已移除：现由下方「作品页」块承接) */

/* ===== 关于 / 渐显 ===== */
.about{position:relative;z-index:2;max-width:920px;margin:0 auto;padding:0 clamp(18px,4vw,40px) var(--sp-8)}
.about .lead-big{font-size:clamp(18px,2.2vw,22px);line-height:1.75;color:var(--ink);font-weight:400}
.about .lead-big .dim{color:var(--ink-mute)}
.about p{color:var(--ink-dim);font-size:16px;line-height:1.85;margin-top:18px;max-width:820px}
.about .rule{height:1px;background:var(--line-soft);margin:clamp(36px,5vw,56px) 0}
.about .lab-id{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:11px;
  letter-spacing:.1em;color:var(--accent);border:1px solid rgba(122,77,255,.35);border-radius:999px;padding:6px 14px}
.about .facts{margin-top:var(--sp-6)}
.about .facts .fi{display:flex;gap:18px;padding:16px 0;border-bottom:1px solid var(--line-soft)}
.about .facts .fi .fk{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-mute);min-width:92px;padding-top:2px}
.about .facts .fi .fv{font-size:15px;color:var(--ink-dim);line-height:1.7}

/* ===== 联系 / 出口（非内容世界） ===== */
.contact{position:relative;z-index:2;max-width:1100px;margin:0 auto;padding:clamp(132px,17vw,190px) clamp(18px,4vw,40px) var(--sp-8)}
.contact .kicker{margin-bottom:16px}
.contact-head h1{font-size:clamp(28px,4.4vw,46px);font-weight:500;margin:0 0 16px;letter-spacing:.01em;line-height:1.15}
.contact-stanza{margin-top:clamp(22px,3.2vw,32px);max-width:640px}
.contact-stanza p{margin:0;font-size:clamp(16px,1.9vw,18px);line-height:2;color:var(--ink-dim)}
.contact-body{display:grid;grid-template-columns:1fr 1fr;gap:clamp(48px,9vw,120px);margin-top:clamp(40px,6vw,64px);padding-top:clamp(40px,6vw,64px);border-top:1px solid var(--line-soft);align-items:start}
.contact-body__left{display:flex;flex-direction:column}
.contact-body__right{display:flex;flex-direction:column}
.contact-body__left .contact-block+.contact-block{margin-top:clamp(24px,3vw,32px);padding-top:clamp(24px,3vw,32px);border-top:1px solid var(--line-soft)}
.contact-block{text-align:left}
.contact-block .cb-name{font-size:clamp(17px,2vw,20px);color:var(--ink);margin-bottom:6px;font-weight:500}
.contact-block .cb-role{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;color:var(--ink-mute);margin:14px 0 6px}
.contact-block .cb-line{display:inline-block;font-size:clamp(17px,2.2vw,21px);color:var(--ink);border-bottom:1px solid var(--line-soft);padding-bottom:2px;transition:color .2s,border-color .2s}
.contact-block .cb-line:hover{color:var(--accent);border-color:var(--accent)}
.contact-block .cb-sub{font-size:13px;color:var(--ink-dim);margin-top:8px}
.contact-block .cb-sep{height:1px;background:var(--line-soft);margin:22px 0 4px}
.contact-block .cb-addr{color:var(--ink-dim);font-size:15px;line-height:1.7;margin-bottom:10px}
.contact-block .cb-text{color:var(--ink-mute);font-size:13px;line-height:1.8;margin:0}
.contact-chat{margin-top:0;padding-top:0;text-align:left}
.chat-form{display:flex;flex-direction:column;gap:clamp(16px,2.4vw,22px)}
.chat-field{display:flex;flex-direction:column;gap:8px}
.chat-label{font-size:14px;color:var(--ink-dim)}
.chat-input-line{width:100%;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);color:var(--ink);font-family:inherit;font-size:15px;line-height:1.6;padding:13px 16px;transition:border-color .3s}
.chat-input-line::placeholder{color:var(--ink-mute)}
.chat-input-line:focus{outline:none;border-color:var(--accent)}
.chat-input{width:100%;min-height:140px;resize:vertical;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);color:var(--ink);font-family:inherit;font-size:15px;line-height:1.7;padding:16px 18px;transition:border-color .3s}
.chat-input::placeholder{color:var(--ink-mute)}
.chat-input:focus{outline:none;border-color:var(--accent)}
.chat-send{display:inline-block;align-self:flex-start;margin-top:6px;background:var(--accent);color:#ffffff;font-size:14px;font-weight:600;letter-spacing:.04em;border:none;border-radius:var(--r-md);padding:13px 34px;cursor:pointer;transition:opacity .2s,transform .2s}
.chat-send:hover{opacity:.88;transform:translateY(-1px)}
@media(max-width:680px){
  .contact-body{grid-template-columns:1fr}
  .contact-body__left .contact-block+.contact-block{margin-top:0;padding-top:clamp(32px,8vw,48px)}
  .contact-chat{margin-top:clamp(36px,6vw,52px);padding-top:clamp(36px,6vw,52px);border-top:1px solid var(--line-soft)}
}

/* ===== 页脚 ===== */
.footer{position:relative;z-index:2;border-top:1px solid var(--line-soft);padding:28px clamp(18px,4vw,40px);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  color:var(--ink-mute);font-size:13px;max-width:1180px;margin:0 auto}
.footer a{color:var(--ink-dim)}
.footer a:hover{color:var(--ink)}
.footer .icp{width:100%;margin-top:6px;font-size:12px;color:var(--ink-mute);text-align:center;letter-spacing:.2px}
.footer .icp a{color:var(--ink-mute);text-decoration:none}
.footer .icp a:hover{color:var(--ink)}
.footer .icp .div{margin:0 8px}

/* ===== 滚动揭示 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== 404 ===== */
.nf{position:relative;z-index:2;max-width:560px;margin:0 auto;padding:clamp(160px,22vw,240px) clamp(18px,4vw,40px) var(--sp-8);text-align:center}
.nf .code{font-family:var(--f-mono);font-size:clamp(64px,12vw,120px);font-weight:700;color:var(--ink-mute);line-height:1;opacity:.35}
.nf h1{font-size:clamp(22px,3.2vw,32px);font-weight:500;margin:18px 0 10px}
.nf p{color:var(--ink-dim);font-size:15px;line-height:1.8;margin:0 0 var(--sp-6)}
.nf a{display:inline-block;color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:3px}
.nf a:hover{color:var(--accent);border-color:var(--accent)}

/* ===== 响应式 ===== */
@media(max-width:760px){
  .nav-links{position:fixed;top:58px;right:0;left:0;flex-direction:column;gap:0;
    background:rgba(244,246,251,.98);border-bottom:1px solid var(--line);padding:8px 0;
    transform:translateY(-130%);transition:transform .3s var(--ease)}
  .nav-links.show{transform:translateY(0)}
  .nav-links a{padding:14px clamp(18px,4vw,40px);width:100%}
  .hamburger{display:flex}
  .record{grid-template-columns:1fr;gap:8px;padding:18px 0}
  .record .rec-meta{display:flex;align-items:center;gap:12px}
  .record .rec-meta .id{margin-bottom:0}
  .work-list,.team{grid-template-columns:1fr}
  .intro-cards{grid-template-columns:1fr}
  .home-orbit{display:none}
  .brand-mark{width:min(420px,78vw);margin-left:0;padding-left:22px;align-items:center}
  .brand-mark .bm-a,.brand-mark .bm-b{align-self:center;text-align:center}
  .brand-mark::before{left:2px}
  .brand-sub{width:min(420px,78vw);margin-left:0;padding-left:22px;text-align:center;justify-content:space-between}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  body::before{display:none}
  .home-bloom,.home::after,.home-orbit{animation:none}
  .home-inner,.home-inner .obs,.home-inner .brand-mark,.home-inner .brand-sub,.home-inner .divider,.home-inner .gates{opacity:1;transform:none;animation:none}
}
/* ============================================================
   关于页 · 四段结构（开场 / 视觉带 / 现在做的事 / 现场 / 继续）
   ============================================================ */
.about-intro{margin-bottom:clamp(48px,8vw,72px)}
.about section{margin-bottom:clamp(48px,8vw,72px)}

.section-kicker{display:block;font-family:var(--f-mono);font-size:11px;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
.about .section-lead{color:var(--ink-dim);font-size:clamp(15px,1.7vw,17px);line-height:1.7;margin:0 0 28px}

/* ---- 视觉带 ---- */
.about-visuals{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:clamp(40px,6vw,64px) 0}
.visual-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.vplate{position:relative;aspect-ratio:4/3;border:1px solid var(--line-soft);border-radius:var(--r-md);overflow:hidden;background:var(--surface);transition:border-color .35s,transform .35s var(--ease)}
.vplate:hover{border-color:rgba(179,136,255,.35);transform:translateY(-3px)}
.vplate-art{position:absolute;inset:0}
.vplate-art svg{width:100%;height:100%}
.vplate figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 14px 12px;background:linear-gradient(180deg,transparent,rgba(16,22,38,.92) 70%);font-size:12px;color:#E6E9F2;line-height:1.5}
.vplate-fig{display:block;font-family:var(--f-mono);font-size:9px;letter-spacing:.12em;color:var(--accent);margin-bottom:4px}

/* ---- 现在做的事 ---- */
.about-now{text-align:center}
.now-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:10px}
.now-item{font-family:var(--f-mono);font-size:clamp(13px,1.6vw,16px);letter-spacing:.06em;color:var(--ink-dim);padding:26px 8px;border:1px solid var(--line-soft);border-radius:var(--r-md);background:var(--surface);transition:border-color .3s,color .3s}
.now-item:hover{border-color:var(--accent);color:var(--ink)}
.now-num{display:block;font-size:10px;letter-spacing:.14em;color:var(--accent);margin-bottom:8px;opacity:.8}

/* ---- 现实中的燎歌 ---- */
.about-scene .section-kicker{margin-bottom:14px}
.scene-carousel{position:relative;width:100%;max-width:920px;margin:0 auto;aspect-ratio:16/9;max-height:520px;border-radius:var(--r-lg);overflow:hidden;background:var(--bg3)}
.scene-track{position:relative;width:100%;height:100%;margin:0 auto}
.scene-slide{position:absolute;inset:0;width:100%;height:100%;border-radius:var(--r-lg);overflow:hidden;transform-origin:top center;transition:transform .55s var(--ease),opacity .55s var(--ease)}
.scene-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.is-zoomable{cursor:zoom-in}
.is-zoomable:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---- 图片放大灯箱 ---- */
.lg-lb{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:clamp(16px,4vw,48px);
  background:rgba(10,14,26,.86);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;cursor:zoom-out}
.lg-lb.is-open{opacity:1;visibility:visible}
.lg-lb-img{max-width:100%;max-height:88vh;width:auto;height:auto;object-fit:contain;border-radius:var(--r-md);
  box-shadow:0 24px 60px rgba(10,14,26,.45);transform:scale(.97);transition:transform .28s var(--ease)}
.lg-lb.is-open .lg-lb-img{transform:scale(1)}
.lg-lb-close{position:absolute;top:clamp(14px,3vw,28px);right:clamp(14px,3vw,28px);width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);color:#fff;font-size:22px;line-height:1;
  cursor:pointer;display:grid;place-items:center;transition:background .2s,border-color .2s}
.lg-lb-close:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.45)}
body.lb-open{overflow:hidden}
.scene-note{position:absolute;left:14px;bottom:14px;font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;color:#E6E9F2;background:rgba(16,22,38,.62);padding:5px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.12);z-index:20}
.scene-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:30}
.scene-dot{width:8px;height:8px;border-radius:50%;border:none;background:rgba(28,38,64,.28);cursor:pointer;padding:0;transition:background .2s,transform .2s}
.scene-dot:hover{background:rgba(28,38,64,.55)}
.scene-dot.is-active{background:var(--accent);transform:scale(1.25)}
@media(min-width:861px){
  .scene-carousel{max-height:520px}
}

/* ---- 事实区 ---- */
.about .facts .fi--contact a{color:var(--ink);border-bottom:1px solid var(--line-soft);padding-bottom:1px;transition:border-color .2s,color .2s}
.about .facts .fi--contact a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---- 正在继续 ---- */
.about-continue{border-top:1px solid var(--line-soft);padding-top:clamp(40px,6vw,64px);text-align:center}
.about .continue-lead{font-size:clamp(18px,2.4vw,26px);color:var(--ink);font-weight:400;margin:12px 0 36px}
.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;text-align:left}
.status-row{display:flex;flex-direction:column;gap:6px;padding:18px 16px;border:1px solid var(--line-soft);border-radius:var(--r-md);background:var(--surface)}
.status-lbl{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--ink-dim)}
.status-val{font-size:14px;color:var(--ink)}

/* ---- 关于页响应式 ---- */
@media(max-width:760px){
  .visual-strip{grid-template-columns:repeat(2,1fr)}
  .vplate figcaption{font-size:11px;padding:12px 12px 10px}
  .now-row{grid-template-columns:repeat(2,1fr)}
  .status-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .visual-strip{grid-template-columns:1fr}
  .now-row{grid-template-columns:1fr}
  .status-grid{grid-template-columns:1fr}
}

/* ===== 作品页 ===== */
.works{position:relative;z-index:2;max-width:900px;margin:0 auto;padding:0 clamp(18px,4vw,40px) clamp(64px,9vw,120px)}
.works-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:clamp(14px,1.8vw,20px)}
.work-item{position:relative;display:flex;flex-direction:column;padding:26px 24px;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  background:rgba(255,255,255,.55);backdrop-filter:blur(6px);text-decoration:none;color:inherit;
  transition:transform .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease)}
.work-item:hover{transform:translateY(-4px);border-color:rgba(122,77,255,.32);box-shadow:0 14px 34px rgba(61,99,245,.08);background:rgba(255,255,255,.92)}
.wi-code{font-family:var(--f-mono);font-size:10px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
.wi-title{font-size:20px;font-weight:600;letter-spacing:.02em;color:var(--ink)}
.wi-desc{margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-dim)}
@media(max-width:760px){.works-list{grid-template-columns:1fr}}