/* =====================================================================
   中国电力设备管理协会 · CEEMA  —  竖屏 H5 宣传页
   设计：深红 + 香槟金，思源黑体，参考南航会员手册的高级排版语言
   ===================================================================== */

/* ----------- 字体（思源黑体子集 / WOFF2） ----------- */
@font-face{font-family:'SHS';src:url('../fonts/shs-extralight.woff2') format('woff2');font-weight:200;font-display:swap;}
@font-face{font-family:'SHS';src:url('../fonts/shs-light.woff2') format('woff2');font-weight:300;font-display:swap;}
@font-face{font-family:'SHS';src:url('../fonts/shs-regular.woff2') format('woff2');font-weight:400;font-display:swap;}
@font-face{font-family:'SHS';src:url('../fonts/shs-bold.woff2') format('woff2');font-weight:700;font-display:swap;}
@font-face{font-family:'SHS';src:url('../fonts/shs-heavy.woff2') format('woff2');font-weight:900;font-display:swap;}

/* ----------- 设计令牌 ----------- */
:root{
  --red:#942325;
  --red-2:#7d1d1f;
  --red-deep:#5c1416;
  --red-dark:#330c0e;
  --red-ink:#1f0708;
  --gold:#c9a86a;
  --gold-2:#dcc08a;
  --gold-soft:#ecdcb6;
  --cream:#f6f0e6;
  --paper:#faf6ee;
  --ink:#2a1611;
  --ink-soft:#5d4b41;
  --muted:#8a7468;
  --navy:#042c71;
  --line:rgba(0,0,0,.10);
  --ease:cubic-bezier(.16,.84,.34,1);
  --serif:Georgia,'Times New Roman',serif;
}

*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:'SHS','PingFang SC','Microsoft YaHei',sans-serif;
  background:#160405;
  color:var(--ink);
  line-height:1.7;
  overflow-x:hidden;
  letter-spacing:.01em;
}
img{display:block;max-width:100%;}
::selection{background:var(--gold);color:#fff;}

/* 桌面端：居中成竖屏长图，两侧深色背景 */
.stage{
  position:relative;
  width:100%;
  max-width:820px;
  margin:0 auto;
  background:var(--paper);
  box-shadow:0 0 90px rgba(0,0,0,.55);
  overflow:hidden;
  container-type:inline-size;
}

/* ----------- 通用区块 ----------- */
.section{position:relative;overflow:hidden;}
.wrap{position:relative;z-index:3;padding:clamp(40px,9cqw,90px) clamp(24px,7cqw,64px);}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(30px);
  transition:opacity 1s var(--ease),transform 1s var(--ease);will-change:opacity,transform;}
.reveal.in{opacity:1;transform:none;}

/* 区块标题 */
.sechead{display:flex;align-items:flex-start;gap:clamp(12px,2.6cqw,22px);margin-bottom:clamp(22px,4.2cqw,38px);}
.sechead__no{
  font-weight:200;font-size:clamp(34px,8cqw,68px);line-height:.9;
  color:transparent;-webkit-text-stroke:1.2px var(--gold);
  font-feature-settings:"tnum";letter-spacing:-.02em;
}
.sechead__cn{font-weight:900;font-size:clamp(23px,5.6cqw,44px);letter-spacing:.04em;color:var(--red);line-height:1.1;}
.sechead__en{font-weight:300;font-size:clamp(10px,2.3cqw,15px);letter-spacing:.42em;color:var(--gold);margin-top:.5em;text-transform:uppercase;}
.sechead--light .sechead__cn{color:#fff;}
.sechead--light .sechead__no{-webkit-text-stroke-color:var(--gold-2);}
.sechead--light .sechead__en{color:var(--gold-2);}

/* 背景巨型水印字 */
.ghost{
  position:absolute;top:clamp(20px,5cqw,60px);right:-2cqw;z-index:1;
  font-weight:900;font-size:30cqw;line-height:.8;letter-spacing:-.04em;
  color:rgba(148,35,37,.05);pointer-events:none;user-select:none;white-space:nowrap;
}
.ghost--light{color:rgba(255,255,255,.05);}
.ghost--gold{color:rgba(201,168,106,.10);}

/* =====================================================================
   载入动画
   ===================================================================== */
.loader{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(120% 90% at 50% 30%,#3a0e10,#1a0506 70%);
  transition:opacity .8s ease,visibility .8s ease;}
.loader.done{opacity:0;visibility:hidden;}
.loader__inner{text-align:center;width:min(72vw,300px);}
.loader__logo{width:88px;margin:0 auto 26px;opacity:0;animation:fadeUp .9s var(--ease) .1s forwards;}
.loader__bar{height:2px;background:rgba(255,255,255,.14);border-radius:2px;overflow:hidden;}
.loader__bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-soft));animation:load 1.5s ease forwards;}
.loader__txt{margin-top:18px;font-size:8.5px;letter-spacing:.32em;color:rgba(236,220,182,.6);font-weight:300;}
@keyframes load{to{width:100%;}}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}

/* 进度条 */
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:900;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));box-shadow:0 0 12px rgba(201,168,106,.6);}

/* 侧边圆点导航 */
.dots{position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:800;display:flex;flex-direction:column;gap:13px;}
.dots button{width:9px;height:9px;border-radius:50%;border:1.5px solid rgba(255,255,255,.5);background:transparent;cursor:pointer;padding:0;transition:.35s var(--ease);mix-blend-mode:difference;}
.dots button.active{background:var(--gold);border-color:var(--gold);transform:scale(1.35);}
@media(max-width:560px){.dots{display:none;}}

/* =====================================================================
   封面 HERO
   ===================================================================== */
.hero{
  min-height:100svh;display:flex;align-items:center;
  background:
    radial-gradient(120% 80% at 50% 8%,rgba(180,55,52,.55),transparent 55%),
    radial-gradient(100% 70% at 50% 120%,rgba(0,0,0,.6),transparent),
    linear-gradient(165deg,#430f12 0%,#2c0a0b 45%,#1c0708 100%);
  color:#fff;
}
.hero__grid{position:absolute;inset:0;z-index:1;opacity:.55;}
.hero__glow{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:120cqw;height:120cqw;z-index:1;pointer-events:none;
  background:radial-gradient(closest-side,rgba(201,168,106,.10),transparent 70%);}
.hero__watermark{position:absolute;left:50%;bottom:6cqw;transform:translateX(-50%);z-index:1;
  font-weight:900;font-size:46cqw;line-height:1;letter-spacing:-.05em;
  color:rgba(255,255,255,.035);white-space:nowrap;user-select:none;pointer-events:none;}
.hero__watermark--btm{bottom:auto;top:50%;transform:translate(-50%,-50%);opacity:.7;}

.hero__inner{position:relative;z-index:4;width:100%;min-height:100svh;
  display:flex;flex-direction:column;align-items:center;
  padding:clamp(34px,7cqw,64px) clamp(28px,8cqw,70px) clamp(20px,4cqw,32px);text-align:center;}
.hero__top{margin-top:auto;margin-bottom:clamp(24px,5cqw,40px);}
.hero__logo{width:clamp(96px,22cqw,168px);margin:0 auto;
  filter:drop-shadow(0 10px 26px rgba(0,0,0,.4));}

.hero__title{font-weight:900;line-height:1.04;letter-spacing:.06em;
  font-size:clamp(40px,12.5cqw,108px);margin-bottom:.32em;}
.hero__title .line{display:block;overflow:hidden;}
.hero__title .line>span{display:inline-block;transform:translateY(115%);
  background:linear-gradient(180deg,#fff 40%,#f3dcc4 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 2px 30px rgba(0,0,0,.25);}
.hero.in .hero__title .line>span{transform:none;transition:transform 1.1s var(--ease);}
.hero.in .hero__title .line:nth-child(2)>span{transition-delay:.12s;}

.hero__rule{width:0;height:2px;margin:clamp(14px,3cqw,26px) auto;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);}
.hero.in .hero__rule{width:min(70%,360px);transition:width 1.4s var(--ease) .5s;}
.hero__en{font-weight:300;font-size:clamp(8.5px,2.35cqw,15px);letter-spacing:.3em;
  color:rgba(255,236,210,.82);text-transform:uppercase;line-height:1.7;}

.hero__tags{display:flex;flex-wrap:wrap;gap:clamp(8px,1.8cqw,14px);justify-content:center;margin:clamp(24px,5cqw,42px) 0 clamp(16px,3cqw,24px);}
.tag{font-size:clamp(10px,2.5cqw,14px);font-weight:300;letter-spacing:.12em;
  padding:.5em 1.25em;border:1px solid rgba(201,168,106,.45);border-radius:40px;
  color:var(--gold-soft);background:rgba(201,168,106,.06);backdrop-filter:blur(2px);}
.hero__lead{font-weight:300;font-size:clamp(12px,3cqw,18px);letter-spacing:.06em;color:rgba(255,255,255,.78);
  margin-bottom:auto;}

.hero__scroll{position:relative;z-index:5;margin-top:clamp(20px,5cqw,40px);
  display:flex;flex-direction:column;align-items:center;gap:9px;
  font-size:10px;letter-spacing:.28em;color:rgba(255,236,210,.6);font-weight:300;}
.hero__scroll i{width:1px;height:38px;background:linear-gradient(var(--gold),transparent);position:relative;overflow:hidden;}
.hero__scroll i::after{content:'';position:absolute;top:0;left:0;width:100%;height:40%;
  background:var(--gold-soft);animation:scrolldot 1.8s var(--ease) infinite;}
@keyframes scrolldot{0%{transform:translateY(-100%);}60%,100%{transform:translateY(260%);}}

/* =====================================================================
   协会简介
   ===================================================================== */
.about{background:
  linear-gradient(180deg,var(--paper),var(--cream));}
.about__lead{font-weight:700;font-size:clamp(18px,4.6cqw,32px);line-height:1.45;color:var(--ink);
  margin:clamp(8px,2cqw,16px) 0 clamp(20px,4cqw,32px);letter-spacing:.02em;}
.about__lead{position:relative;padding-left:clamp(14px,3cqw,22px);}
.about__lead::before{content:'';position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:linear-gradient(var(--red),var(--gold));}
.about__body p{font-weight:300;font-size:clamp(13px,3.1cqw,17px);color:var(--ink-soft);margin-bottom:1em;}
.about__body b{font-weight:700;color:var(--red);}
.about__fig{margin-top:clamp(22px,4.5cqw,40px);border-radius:6px;overflow:hidden;position:relative;
  box-shadow:0 24px 50px -22px rgba(60,15,16,.5);}
.about__fig img{width:100%;height:auto;transition:transform 8s ease;}
.about__fig.in img{transform:scale(1.06);}
.about__fig figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 18px 12px;
  font-size:clamp(10px,2.4cqw,13px);font-weight:300;letter-spacing:.08em;color:#fff;
  background:linear-gradient(transparent,rgba(28,7,8,.82));}

/* =====================================================================
   数据实力
   ===================================================================== */
.stats{background:
  radial-gradient(120% 120% at 80% 0%,rgba(180,55,52,.4),transparent 60%),
  linear-gradient(160deg,var(--red-2),var(--red-dark));
  color:#fff;}
.stats .wrap{padding-top:clamp(34px,7cqw,68px);padding-bottom:clamp(34px,7cqw,68px);}
.stats__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(22px,5cqw,50px) clamp(14px,4cqw,40px);}
.stat{text-align:center;position:relative;}
.stat__num{font-weight:200;font-size:clamp(40px,11cqw,92px);line-height:1;letter-spacing:-.02em;
  color:transparent;background:linear-gradient(180deg,#fff,var(--gold-soft));
  -webkit-background-clip:text;background-clip:text;display:flex;align-items:baseline;justify-content:center;gap:.06em;
  font-feature-settings:"tnum";}
.stat__num em{font-style:normal;font-weight:300;font-size:.32em;color:var(--gold-2);-webkit-text-fill-color:var(--gold-2);}
.stat__label{margin-top:.5em;font-weight:300;font-size:clamp(11px,2.7cqw,15px);letter-spacing:.14em;color:rgba(255,255,255,.78);}
.stat::after{content:'';position:absolute;right:calc(-1 * clamp(7px,2cqw,20px));top:14%;bottom:14%;width:1px;background:rgba(255,255,255,.12);}
.stat:nth-child(2n)::after{display:none;}

/* =====================================================================
   副会长单位
   ===================================================================== */
.members{background:linear-gradient(180deg,var(--cream),var(--paper));}
.members__intro,.gallery__intro,.benefits__intro{font-weight:300;font-size:clamp(13px,3.1cqw,17px);
  color:var(--ink-soft);margin-bottom:clamp(24px,5cqw,42px);letter-spacing:.03em;}
.benefits__intro,.gallery__intro{color:rgba(255,255,255,.72);}
.members__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(8px,1.8cqw,14px);}
.unit{position:relative;background:#fff;border:1px solid rgba(148,35,37,.1);border-radius:6px;
  padding:clamp(13px,2.8cqw,20px) clamp(12px,2.6cqw,18px) clamp(13px,2.8cqw,20px) clamp(16px,3.4cqw,24px);
  min-height:clamp(64px,13cqw,86px);
  display:flex;align-items:center;gap:clamp(9px,2cqw,15px);text-align:left;
  box-shadow:0 8px 18px -14px rgba(60,15,16,.4);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);overflow:hidden;}
.unit::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;transform:scaleY(0);transform-origin:top;
  background:linear-gradient(var(--red),var(--gold));transition:transform .5s var(--ease);}
.unit:hover{transform:translateY(-3px);box-shadow:0 18px 30px -18px rgba(60,15,16,.55);border-color:rgba(201,168,106,.5);}
.unit:hover::before{transform:scaleY(1);}
.unit__idx{flex:0 0 auto;font-weight:200;font-size:clamp(18px,4cqw,30px);line-height:1;color:transparent;
  -webkit-text-stroke:1px var(--gold);letter-spacing:0;font-feature-settings:"tnum";}
.unit__name{font-weight:700;font-size:clamp(11.5px,2.7cqw,16px);color:var(--ink);letter-spacing:.01em;line-height:1.3;}
@container (max-width:380px){.members__grid{grid-template-columns:1fr;}}

/* =====================================================================
   业务范围
   ===================================================================== */
.scope{background:var(--paper);}
.scope__list{display:flex;flex-direction:column;gap:clamp(2px,.6cqw,6px);}
.scope__item{position:relative;display:flex;gap:clamp(14px,3.4cqw,30px);align-items:flex-start;
  padding:clamp(18px,3.6cqw,30px) clamp(4px,1.4cqw,12px);border-top:1px solid var(--line);}
.scope__item:last-child{border-bottom:1px solid var(--line);}
.scope__no{flex:0 0 auto;font-weight:200;font-size:clamp(28px,7cqw,58px);line-height:.9;
  color:transparent;-webkit-text-stroke:1px rgba(148,35,37,.4);font-feature-settings:"tnum";min-width:1.4em;}
.scope__tx{flex:1;}
.scope__tt{font-weight:900;font-size:clamp(16px,4cqw,26px);color:var(--red);letter-spacing:.04em;margin-bottom:.3em;
  display:flex;align-items:center;gap:.5em;}
.scope__tt::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,rgba(201,168,106,.6),transparent);}
.scope__ds{font-weight:300;font-size:clamp(12px,2.95cqw,16px);color:var(--ink-soft);}
.scope__item:hover .scope__no{-webkit-text-stroke-color:var(--gold);transition:.4s;}

/* =====================================================================
   专属权益
   ===================================================================== */
.benefits{background:
  radial-gradient(130% 90% at 10% 0%,rgba(180,55,52,.35),transparent 55%),
  linear-gradient(170deg,var(--red-deep),var(--red-ink));color:#fff;}
.benefits__list{display:flex;flex-direction:column;gap:clamp(12px,2.6cqw,20px);}
.benefit{position:relative;border:1px solid rgba(201,168,106,.22);border-radius:8px;
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.01));
  padding:clamp(18px,4cqw,32px) clamp(18px,4cqw,34px);overflow:hidden;
  transition:border-color .5s var(--ease),transform .5s var(--ease);}
.benefit:hover{border-color:rgba(201,168,106,.6);transform:translateY(-3px);}
.benefit__head{display:flex;align-items:center;gap:clamp(10px,2.4cqw,18px);margin-bottom:.7em;}
.benefit__icon{flex:0 0 auto;width:clamp(34px,7cqw,52px);height:clamp(34px,7cqw,52px);border-radius:50%;
  display:grid;place-items:center;border:1px solid rgba(201,168,106,.5);color:var(--gold-soft);}
.benefit__icon svg{width:54%;height:54%;}
.benefit__no{position:absolute;right:clamp(-6px,-1cqw,0px);top:clamp(-14px,-3cqw,-6px);
  font-weight:900;font-size:clamp(56px,15cqw,130px);color:rgba(201,168,106,.07);line-height:1;font-feature-settings:"tnum";}
.benefit__tt{font-weight:900;font-size:clamp(17px,4.3cqw,28px);color:#fff;letter-spacing:.04em;}
.benefit__en{font-weight:300;font-size:clamp(8px,2cqw,11px);letter-spacing:.3em;color:var(--gold-2);text-transform:uppercase;margin-top:.2em;}
.benefit__ds{font-weight:300;font-size:clamp(12px,2.95cqw,16px);color:rgba(255,255,255,.78);position:relative;z-index:2;}

/* =====================================================================
   活动掠影
   ===================================================================== */
.gallery{background:linear-gradient(180deg,var(--red-ink),#160405);color:#fff;}
.gallery .wrap{padding-bottom:clamp(20px,4cqw,34px);}
.gallery__grid{position:relative;z-index:3;display:flex;flex-direction:column;gap:clamp(16px,3.4cqw,30px);
  padding:0 clamp(24px,7cqw,64px) clamp(40px,9cqw,90px);}
.shot{position:relative;overflow:hidden;border-radius:8px;background:#240809;aspect-ratio:3/2;cursor:zoom-in;
  box-shadow:0 26px 54px -30px rgba(0,0,0,.85);}
.shot__media{position:absolute;inset:0;clip-path:inset(0 0 100% 0);transition:clip-path 1.15s var(--ease);}
.shot.in .shot__media{clip-path:inset(0 0 0 0);}
.shot img{width:100%;height:100%;object-fit:cover;transform:scale(1.12);transition:transform 1.6s var(--ease);}
.shot.in img{transform:scale(1);}
.shot:hover img{transform:scale(1.05);}
.shot__no{position:absolute;top:clamp(12px,2.6cqw,18px);left:clamp(14px,3cqw,20px);z-index:3;
  font-size:clamp(10px,2.3cqw,13px);font-weight:300;letter-spacing:.16em;color:rgba(255,255,255,.9);
  font-feature-settings:"tnum";text-shadow:0 1px 10px rgba(0,0,0,.7);}
.shot__zoom{position:absolute;top:clamp(10px,2.4cqw,16px);right:clamp(12px,2.8cqw,18px);z-index:3;
  width:clamp(32px,7cqw,42px);height:clamp(32px,7cqw,42px);display:grid;place-items:center;border-radius:50%;
  color:#fff;background:rgba(20,4,5,.42);border:1px solid rgba(255,255,255,.32);backdrop-filter:blur(3px);
  opacity:0;transform:scale(.8);transition:.5s var(--ease);}
.shot__zoom svg{width:52%;height:52%;}
.shot:hover .shot__zoom{opacity:1;transform:none;}
.shot__cap{position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:clamp(36px,8cqw,60px) clamp(16px,4cqw,28px) clamp(12px,2.8cqw,20px);
  font-size:clamp(12px,3cqw,17px);font-weight:300;letter-spacing:.06em;color:#fff;
  background:linear-gradient(transparent,rgba(15,3,4,.9));}

/* 灯箱 */
.lb{position:fixed;inset:0;z-index:1100;display:flex;align-items:center;justify-content:center;
  background:rgba(12,3,4,.74);backdrop-filter:blur(20px) saturate(1.1);-webkit-backdrop-filter:blur(20px) saturate(1.1);
  opacity:0;visibility:hidden;transition:opacity .4s ease,visibility .4s ease;}
.lb.on{opacity:1;visibility:visible;}
.lb__stage{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:6vw;overflow:hidden;}
.lb__img{max-width:94vw;max-height:82vh;border-radius:6px;box-shadow:0 30px 90px rgba(0,0,0,.75);
  transform-origin:center center;touch-action:none;cursor:grab;user-select:none;-webkit-user-drag:none;transition:transform .04s linear;}
.lb__cap{position:absolute;left:0;right:0;bottom:max(20px,4vh);text-align:center;color:#fff;font-weight:300;
  font-size:clamp(12px,3.4vw,16px);letter-spacing:.08em;padding:0 8vw;z-index:2;text-shadow:0 2px 14px rgba(0,0,0,.7);pointer-events:none;}
.lb__hint{position:absolute;left:0;right:0;top:max(16px,3vh);text-align:center;color:rgba(255,255,255,.5);
  font-size:11px;letter-spacing:.2em;font-weight:300;pointer-events:none;}
.lb__close{position:absolute;top:max(12px,2.4vh);right:max(12px,2.4vw);z-index:4;width:46px;height:46px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff;font-size:26px;line-height:1;cursor:pointer;
  display:grid;place-items:center;transition:.3s;}
.lb__close:hover{background:rgba(255,255,255,.2);transform:rotate(90deg);}
.lb__nav{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:50px;height:50px;border-radius:50%;
  border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);color:#fff;font-size:20px;cursor:pointer;
  display:grid;place-items:center;transition:.3s;backdrop-filter:blur(4px);}
.lb__nav:hover{background:rgba(201,168,106,.45);border-color:var(--gold);}
.lb__prev{left:max(10px,2vw);}
.lb__next{right:max(10px,2vw);}
@media(max-width:560px){.lb__nav{width:40px;height:40px;font-size:17px;}.lb__hint{font-size:9.5px;}}

/* =====================================================================
   电力全产业链
   ===================================================================== */
.spectrum{background:linear-gradient(180deg,#330c0e,#1a0506);color:#fff;}
.spectrum__hero{position:relative;height:clamp(300px,64cqw,560px);overflow:hidden;}
.spectrum__hero img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);}
.spectrum__overlay{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(26,5,6,.2),rgba(26,5,6,.55) 55%,rgba(26,5,6,.96)),
  linear-gradient(90deg,rgba(148,35,37,.42),transparent 62%);}
.spectrum__tx{position:absolute;left:0;right:0;bottom:clamp(22px,5cqw,52px);padding:0 clamp(24px,7cqw,64px);z-index:2;}
.spectrum__kicker{font-weight:300;font-size:clamp(9px,2.3cqw,13px);letter-spacing:.42em;color:var(--gold-2);text-transform:uppercase;}
.spectrum__title{font-weight:900;font-size:clamp(28px,8cqw,66px);letter-spacing:.04em;margin:.22em 0 .32em;
  background:linear-gradient(180deg,#fff,#f3dcc4);-webkit-background-clip:text;background-clip:text;color:transparent;}
.spectrum__sub{font-weight:300;font-size:clamp(12px,2.95cqw,17px);color:rgba(255,255,255,.85);letter-spacing:.03em;}
.spectrum .wrap{padding-top:clamp(26px,6cqw,50px);}
.domains{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(10px,2.4cqw,18px);}
.domain{position:relative;overflow:hidden;border-radius:8px;aspect-ratio:16/11;background:#240809;
  box-shadow:0 18px 40px -26px rgba(0,0,0,.85);}
.domain__media{position:absolute;inset:0;}
.domain img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.domain:hover img{transform:scale(1.08);}
.domain__cap{position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:clamp(28px,7cqw,46px) clamp(14px,3.2cqw,24px) clamp(12px,2.6cqw,18px);
  background:linear-gradient(transparent,rgba(13,3,4,.9));}
.domain__cn{display:block;font-weight:900;font-size:clamp(15px,4cqw,26px);letter-spacing:.05em;}
.domain__en{display:block;font-weight:300;font-size:clamp(8px,1.9cqw,11px);letter-spacing:.26em;color:var(--gold-2);margin-top:.3em;}

/* =====================================================================
   联系我们
   ===================================================================== */
.contact{background:
  radial-gradient(120% 80% at 50% 100%,rgba(180,55,52,.5),transparent 55%),
  linear-gradient(180deg,#160405,#2c0a0b 60%,#430f12);color:#fff;text-align:center;}
.contact .hero__grid{opacity:.4;}
.contact .wrap{padding-top:clamp(54px,11cqw,110px);padding-bottom:clamp(40px,8cqw,72px);}
.contact__cta{margin-bottom:clamp(30px,6cqw,52px);}
.contact__invite{font-weight:300;font-size:clamp(11px,2.7cqw,15px);letter-spacing:.5em;color:var(--gold-2);text-indent:.5em;}
.contact__title{font-weight:900;font-size:clamp(30px,8.5cqw,72px);letter-spacing:.05em;margin:.2em 0 .35em;
  background:linear-gradient(180deg,#fff,#f3dcc4);-webkit-background-clip:text;background-clip:text;color:transparent;}
.contact__sub{font-weight:300;font-size:clamp(12px,3cqw,17px);color:rgba(255,255,255,.8);letter-spacing:.06em;}
.contact__card{max-width:520px;margin:0 auto clamp(34px,7cqw,56px);
  border:1px solid rgba(201,168,106,.28);border-radius:10px;
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.01));
  padding:clamp(22px,5cqw,40px) clamp(20px,5cqw,44px);backdrop-filter:blur(3px);}
.contact__info{list-style:none;display:flex;flex-direction:column;gap:clamp(12px,2.6cqw,20px);text-align:left;}
.contact__info li{display:flex;align-items:baseline;gap:16px;font-size:clamp(12px,3cqw,17px);
  padding-bottom:clamp(12px,2.6cqw,20px);border-bottom:1px solid rgba(255,255,255,.08);}
.contact__info li:last-child{border-bottom:0;padding-bottom:0;}
.contact__info .k{flex:0 0 auto;width:3.2em;font-weight:700;color:var(--gold-soft);letter-spacing:.18em;font-size:.92em;}
.contact__info .v{font-weight:300;color:rgba(255,255,255,.92);letter-spacing:.02em;}
.contact__qr{display:flex;justify-content:center;align-items:flex-start;flex-wrap:wrap;gap:clamp(16px,4cqw,36px);margin-bottom:clamp(30px,6cqw,52px);}
.qr{display:flex;flex-direction:column;align-items:center;gap:clamp(10px,2cqw,15px);}
.qr__card{background:#fff;border-radius:14px;padding:clamp(9px,2.2cqw,15px);
  box-shadow:0 22px 54px -22px rgba(0,0,0,.7);border:1px solid rgba(201,168,106,.45);}
.qr__card img{width:clamp(118px,31cqw,168px);aspect-ratio:1/1;height:auto;object-fit:contain;background:#fff;display:block;border-radius:4px;}
.qr__name{font-weight:300;font-size:clamp(11px,2.6cqw,14px);color:rgba(255,255,255,.85);letter-spacing:.05em;text-align:center;}
.contact__brand{display:flex;flex-direction:column;align-items:center;gap:clamp(14px,3cqw,22px);margin-bottom:clamp(28px,6cqw,48px);}
.contact__logo{width:clamp(70px,16cqw,120px);}
.contact__name{width:min(86%,460px);}
.foot{border-top:1px solid rgba(255,255,255,.1);padding-top:clamp(20px,4cqw,32px);}
.foot p{font-weight:300;font-size:clamp(9px,2.2cqw,12px);letter-spacing:.14em;color:rgba(255,255,255,.6);line-height:1.9;}
.foot__copy{color:rgba(255,255,255,.38)!important;letter-spacing:.1em!important;}

/* =====================================================================
   打印
   ===================================================================== */
@media print{
  *{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important;}
  html,body{background:#1c0708;}
  .loader,.progress,.dots,.hero__scroll,.lb{display:none!important;}
  .stage{max-width:100%;width:100%;box-shadow:none;}
  .reveal{opacity:1!important;transform:none!important;}
  .shot__media{clip-path:none!important;}
  .shot img,.about__fig.in img,.spectrum__hero img,.hero__title .line>span{transform:none!important;}
  .hero,.hero__inner{min-height:100vh;}
  .section{break-inside:auto;}
  .shot,.unit,.benefit,.domain,.stat,.scope__item,.sechead,.about__fig,
  .contact__card,.qr,.spectrum__hero,.stats__grid,.contact__brand{break-inside:avoid;}
  @page{size:A4;margin:0;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.001s!important;}
  .reveal{opacity:1;transform:none;}
}