/* =========================================================
   彝语网 · 全站样式（首页 / 栏目列表页 / 文章详情页 共用）
   ========================================================= */

/* ===================== 设计令牌 ===================== */
:root{
  --yi-black:#121210;
  --yi-black-2:#2C2C28;
  --yi-red:#A81616;
  --yi-red-hover:#C72C2C;
  --yi-red-soft:#F6E7E3;
  --yi-yellow:#E6B028;
  --yi-cream:#F8F7F2;
  --yi-light-yellow:#F9EED4;
  --text:#333333;
  --text-sub:#666666;
  --line:#EAE6DC;
  --white:#FFFFFF;
  --font:"Noto Serif SC","Songti SC","STSong",serif;
  --font-body:"PingFang SC","Microsoft YaHei",sans-serif;
  /* 彝文专用字体栈：思源/宋体等中文字体不含 Yi 字形，必须显式指定彝文字体，否则彝文会回落成豆腐块 □ */
  --font-yi:"Noto Sans Yi","Microsoft Yi Baiti","Nuosu SIL","Yi Baiti","Noto Sans Yi SIL","Noto Serif SC","Songti SC",serif;
  --shadow-sm:0 1px 3px rgba(18,18,16,.05);
  --shadow-md:0 10px 30px rgba(18,18,16,.10);
  --radius:8px;
  /* 交互节奏：duration-700 ~ duration-1000，配合 ease-in-out 保持空灵呼吸感 */
  --dur-700:.7s;
  --dur-1000:1s;
  --ease-in-out:ease-in-out;
  --tr:var(--dur-700) var(--ease-in-out);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text);background:var(--white);line-height:1.75;font-size:15px;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color var(--tr)}
img{display:block;max-width:100%}
.container{max-width:1240px;margin:0 auto;padding:0 28px}
.yi{font-family:var(--font-yi);letter-spacing:.15em}

/* ===================== 顶部通栏 ===================== */
.topbar{position:relative;color:rgba(255,255,255,.9);overflow:hidden;
  background:linear-gradient(90deg,#7E0E0E 0%,#A81616 18%,#B81F1F 50%,#A81616 82%,#7E0E0E 100%);
  border-bottom:2px solid var(--yi-yellow);}
.topbar::before{content:"";position:absolute;inset:0;opacity:.22;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='40' viewBox='0 0 120 40'%3E%3Cg fill='none' stroke='%23E6B028' stroke-width='1'%3E%3Cpath d='M0 20 C15 4 30 36 45 20 C60 4 75 36 90 20 C105 4 120 36 120 20'/%3E%3Cpath d='M0 40 C15 24 30 56 45 40 C60 24 75 56 90 40 C105 24 120 56 120 40'/%3E%3C/g%3E%3C/svg%3E");
  background-size:120px 40px;}
.topbar::after{content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 120% at 50% 0%,rgba(230,176,40,.28),transparent 70%);}
.topbar .container{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;height:44px;font-size:13px;letter-spacing:.08em}
.topbar .date{display:flex;align-items:center;gap:10px}
.topbar .date i{width:1px;height:14px;background:rgba(255,255,255,.45);display:inline-block}
.topbar .links{display:flex;align-items:center;gap:18px}
.topbar .links a{color:rgba(255,255,255,.85);display:inline-flex;align-items:center;gap:5px}
.topbar .links a:hover{color:var(--yi-yellow)}
.topbar .links .sep{width:1px;height:12px;background:rgba(255,255,255,.35)}
.topbar .links .yi{color:var(--yi-yellow);border:1px solid rgba(230,176,40,.5);border-radius:3px;padding:2px 10px;font-size:18px;line-height:1.6}

/* ===================== 导航 ===================== */
header.nav{position:sticky;top:0;z-index:100;
  background-color:var(--yi-black);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='100' viewBox='0 0 200 100'%3E%3Cg fill='none' stroke='%23E6B028' stroke-width='1.1' stroke-linecap='round' opacity='.16'%3E%3Cpath d='M-10,50 C15,20 35,80 60,50 S100,20 130,50 S170,80 210,50'/%3E%3Cpath d='M-10,75 C20,45 45,95 75,75 S115,45 150,75 S185,95 210,75'/%3E%3Cpath d='M-10,25 C25,55 50,5 80,25 S120,55 155,25 S185,5 210,25'/%3E%3C/g%3E%3Cg fill='none' stroke='%23A81616' stroke-width='.9' stroke-linecap='round' opacity='.12'%3E%3Cpath d='M-10,10 C30,40 60,0 100,10 S160,40 210,10'/%3E%3Cpath d='M-10,90 C35,60 65,100 105,90 S165,60 210,90'/%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(180deg, rgba(255,255,255,.04), transparent 55%);
  background-size:200px 100px, 100% 100%;
  border-bottom:1px solid rgba(230,176,40,.2);transition:box-shadow var(--tr),border-color var(--tr)}
/* 滚出通栏后出现投影：外层大范围柔光 + 内层贴近的暗影，层次更清楚 */
header.nav.scrolled{
  box-shadow:0 12px 34px rgba(18,18,16,.42),0 3px 10px rgba(18,18,16,.30);
  border-bottom-color:rgba(230,176,40,.42)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:90px}
.logo{display:flex;align-items:flex-end;gap:12px}
.logo-mark{width:37px;height:auto;flex:none;object-fit:contain}
.logo-text{display:inline-block;color:#fff;font-family:var(--font);font-size:22px;font-weight:700;letter-spacing:.22em;line-height:1.25;text-align:center}
.logo-sub{display:block;font-family:var(--font-yi);font-size:15px;color:var(--yi-yellow);letter-spacing:.3em;font-weight:400}
nav.menu{display:flex;align-items:center}
/* 汉字在上、彝文在下，整体居中成两行 */
nav.menu a{color:rgba(255,255,255,.85);font-size:15px;padding:23px 15px;position:relative;letter-spacing:.1em;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}
nav.menu a .nav-cn{display:inline-flex;align-items:center;gap:6px;line-height:1.25;white-space:nowrap}
nav.menu a .nav-yi{display:block;font-family:var(--font-yi);font-size:14px;line-height:1.1;letter-spacing:0;
  color:rgba(230,176,40,.62);white-space:nowrap;transition:color var(--tr),opacity var(--tr)}
nav.menu a:hover .nav-yi,nav.menu a.active .nav-yi{color:var(--yi-yellow);opacity:1}
nav.menu a::after{content:"";position:absolute;left:15px;right:15px;bottom:16px;height:1px;background:var(--yi-yellow);transform:scaleX(0);transition:transform var(--tr)}
nav.menu a:hover{color:var(--yi-yellow)}
nav.menu a:hover::after,nav.menu a.active::after{transform:scaleX(1)}
nav.menu a.active{color:var(--yi-yellow)}
/* 带子栏目的下拉（如「政声：书记 / 州长」） */
.nav-drop{position:relative;display:inline-flex}
.nav-drop > a{padding-right:20px}
.nav-drop .caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:4px solid currentColor;opacity:.75;transition:transform var(--tr)}
.nav-drop:hover .caret{transform:rotate(180deg)}
.nav-drop .submenu{position:absolute;top:100%;left:8px;min-width:152px;background:var(--yi-black-2);
  border:1px solid rgba(230,176,40,.35);border-top:2px solid var(--yi-yellow);border-radius:0 0 6px 6px;
  padding:6px 0;display:flex;flex-direction:column;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:var(--tr);box-shadow:0 12px 28px rgba(0,0,0,.45);z-index:120}
.nav-drop:hover .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drop .submenu a{padding:9px 18px;font-size:14px;color:rgba(255,255,255,.82);letter-spacing:.08em;display:block;text-align:left}
.nav-drop .submenu a:hover{background:rgba(168,22,22,.35);color:var(--yi-yellow)}
.nav-drop .submenu a::after{display:none}
/* 彝文放大 50% 后导航变宽，中等屏幕收紧横向内边距，避免溢出容器 */
@media(max-width:1240px){
  nav.menu a{padding:23px 10px}
  nav.menu a::after{left:10px;right:10px}
  .nav-drop > a{padding-right:14px}
}
/* 窄屏折叠菜单：汉堡按钮 */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;
  background:transparent;border:1px solid rgba(230,176,40,.45);border-radius:6px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--yi-yellow);transition:var(--tr);margin:0 auto}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:980px){
  .nav-toggle{display:flex}
  nav.menu{position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--yi-black);border-bottom:1px solid rgba(230,176,40,.2);
    max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0}
  header.nav.nav-open nav.menu{max-height:82vh;overflow:auto;padding:6px 0}
  nav.menu a{padding:12px 22px;width:100%;align-items:flex-start;gap:4px}
  nav.menu a::after{left:22px;right:auto;bottom:8px;width:24px}
  .nav-drop{display:flex;flex-direction:column}
  .nav-drop > a{padding:12px 22px 10px}
  .nav-drop > a .nav-cn{width:100%}
  .nav-drop .caret{margin-left:auto}
  .nav-drop .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border:none;background:rgba(255,255,255,.04);padding:0 0 4px}
  .nav-drop .submenu a{padding:10px 22px 10px 40px}
  .nav-drop .submenu a::after{display:none}
}

/* ===================== 头条 Hero ===================== */
.hero{background:var(--yi-cream);position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 90% at 88% 0%,rgba(249,238,212,.9),transparent 60%),
             radial-gradient(ellipse 50% 70% at 0% 100%,rgba(168,22,22,.06),transparent 60%)}
.hero-full{position:relative;padding:72px 28px 64px;text-align:center}
.hero-tag{display:flex;width:fit-content;margin:0;align-items:center;gap:10px;background:var(--yi-red);color:#fff;font-family:var(--font);font-size:15px;letter-spacing:.28em;padding:9px 26px;
  clip-path:polygon(0 0,100% 0,calc(100% - 12px) 50%,100% 100%,0 100%,12px 50%)}
.hero h1{font-family:var(--font);color:var(--yi-black);font-size:44px;line-height:1.5;font-weight:700;margin:26px 0 20px;letter-spacing:.03em}
.hero h1 em{font-style:normal;color:var(--yi-red);border-bottom:4px solid var(--yi-yellow);padding-bottom:3px}
/* 学习进行时头条标题：宽度 80% 并居中（块级与文字均居中） */
#hero-title{width:80%;margin-left:auto;margin-right:auto;text-align:center}
.hero-links{list-style:none;margin-top:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 36px}
.hero-links li{min-width:0}
.hero-links li a{display:flex;gap:10px;align-items:center;justify-content:flex-start;font-size:15px;line-height:1.8;color:var(--text);letter-spacing:.03em;min-width:0;margin-left:4px}
.hero-links li a .hl-t{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.hero-links .dot{flex:none;width:6px;height:6px;background:var(--yi-yellow);transform:rotate(45deg);margin-top:11px}
.hero-links li a:hover{color:var(--yi-red)}
@media(max-width:980px){.hero-full{padding:48px 28px 44px}.hero h1{font-size:28px}.hero-links{grid-template-columns:1fr}}

/* ===================== 推荐阅读条 ===================== */
.reco{padding:30px 0;background:#fff;border-bottom:1px solid var(--line)}
.reco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.reco-item{display:flex;gap:12px;align-items:flex-start;padding-right:20px;border-right:1px solid var(--line)}
.reco-item:last-child{border-right:none}
.reco-num{font-family:var(--font);font-size:24px;font-weight:700;color:var(--yi-red);line-height:1.15;flex:none;border-bottom:2px solid var(--yi-yellow);padding-bottom:2px}
.reco-item h4{font-size:14px;font-weight:600;color:var(--yi-black);line-height:1.6}
.reco-item p{font-size:12px;color:var(--text-sub);margin-top:2px}
.reco-item:hover h4{color:var(--yi-red)}
@media(max-width:900px){.reco-grid{grid-template-columns:repeat(2,1fr)}.reco-item{border-right:none}}

/* ===================== 通用板块头 ===================== */
section.block{padding:80px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:34px;padding-bottom:16px;border-bottom:1px solid var(--line);position:relative}
.sec-head::after{content:"";position:absolute;left:0;bottom:-1px;width:90px;height:2px;background:var(--yi-red)}
.sec-head::before{content:"";position:absolute;left:0;bottom:-5px;width:2px;height:44px;background:var(--yi-red)}
.sec-title-wrap{display:flex;gap:16px;align-items:flex-end;padding-left:22px}
.sec-title{font-family:var(--font);font-size:28px;font-weight:700;color:var(--yi-black);letter-spacing:.12em}
.sec-yi{color:var(--yi-yellow);font-size:21px;margin-bottom:6px}   /* 彝文字号整体 ×1.5 */
.more{font-size:13px;color:var(--text-sub);letter-spacing:.1em;display:flex;align-items:center;gap:6px}
.more:hover{color:var(--yi-red)}
.more::after{content:">";font-size:18px;line-height:1}

/* ===================== 精选幻灯 ===================== */
.slide-strip{display:grid;grid-template-columns:1.45fr 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.slide-media{align-self:stretch;cursor:pointer}
.slide-main{position:relative;height:100%;min-height:300px;background:var(--yi-cream);overflow:hidden}
/* 多层背景交叉淡入：每张幻灯一层，切换时 opacity 过渡形成平滑动画 */
.slide-main .art-layer{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.06);transition:opacity var(--dur-700) var(--ease-in-out);will-change:opacity,transform}
.slide-main .art-layer.is-active{opacity:1;transform:scale(1);animation:slideKen 8s ease-out both}
@keyframes slideKen{from{transform:scale(1.08)}to{transform:scale(1)}}
/* 标题 / 摘要切换时淡入上移 */
.slide-caption.cap-swap h3{animation:capUp var(--dur-700) var(--ease-in-out) both}
.slide-caption.cap-swap p{animation:capUp var(--dur-700) var(--ease-in-out) .08s both}
@keyframes capUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
/* 标题叠加在图片底部，暗渐变 + 文字阴影保证任意图片上都清晰可读 */
.slide-caption{position:absolute;left:0;right:0;bottom:0;padding:42px 30px 24px;pointer-events:none;
  background:linear-gradient(to top,rgba(18,18,16,.82) 0%,rgba(18,18,16,.5) 42%,rgba(18,18,16,0) 100%);
  color:#fff}
.slide-caption h3{font-family:var(--font);font-size:26px;line-height:1.35;letter-spacing:.04em;
  text-shadow:0 2px 14px rgba(0,0,0,.6);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.slide-caption p{margin-top:9px;font-size:13px;line-height:1.6;opacity:.92;max-width:680px;
  text-shadow:0 1px 8px rgba(0,0,0,.6);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.slide-side{padding:34px 30px;background:var(--yi-cream);display:flex;flex-direction:column;justify-content:space-between;border-left:1px solid var(--line)}
.slide-item{display:flex;gap:16px;padding:15px 14px;border-bottom:1px solid rgba(18,18,16,.08);cursor:pointer;transition:var(--tr);border-radius:6px}
.slide-item:last-child{border-bottom:none}
.slide-item:hover{background:#fff;transform:translateX(3px)}
.slide-item.on{background:#fff;box-shadow:var(--shadow-sm);border-left:2px solid var(--yi-red)}
.slide-item .no{font-family:var(--font);color:var(--yi-red);font-size:14px;padding-top:2px;flex:none}
.slide-item h5{color:var(--yi-black);font-size:15px;font-weight:500;letter-spacing:.04em;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.slide-item span{color:var(--text-sub);font-size:12px}
.slide-item.on h5{color:var(--yi-red)}
@media(max-width:980px){.slide-strip{grid-template-columns:1fr}.slide-side{border-left:none;border-top:1px solid var(--line)}.slide-main{aspect-ratio:16/9;height:auto;min-height:0}}

/* ===================== 卡片 ===================== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--tr);border:1px solid var(--line);display:flex;flex-direction:column;cursor:pointer}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--yi-yellow)}
.card-media{aspect-ratio:16/10;position:relative;overflow:hidden;background:var(--yi-light-yellow)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur-700) var(--ease-in-out)}
.card:hover .card-media img{transform:scale(1.05)}
.card-tag{position:absolute;top:14px;left:14px;background:var(--yi-red);color:#fff;font-size:12px;letter-spacing:.15em;padding:4px 12px;border-radius:3px}
.card-tag.gold{background:var(--yi-yellow);color:var(--yi-black)}
.card-body{padding:22px 24px 24px;position:relative;flex:1;display:flex;flex-direction:column}
.card-body::before{content:"";position:absolute;top:0;left:24px;width:34px;height:3px;background:var(--yi-red);transform:scaleX(0);transform-origin:left;transition:transform var(--tr)}
.card:hover .card-body::before{transform:scaleX(1)}
.card-body h3{font-family:var(--font);font-size:18px;color:var(--yi-black);margin-bottom:8px;letter-spacing:.05em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:13px;color:var(--text-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:14px;font-size:12px;color:#9a948a;display:flex;justify-content:space-between}
@media(max-width:980px){.card-grid{grid-template-columns:1fr}}

/* 渐变占位（无图时） */
.ph{width:100%;height:100%}
.ph-1{background:linear-gradient(135deg,#FDF6E6,#E6B028 65%,#A81616)}
.ph-2{background:linear-gradient(135deg,#F9EED4,#C98A2E 60%,#A81616)}
.ph-3{background:linear-gradient(135deg,#FFFFFF,#F9EED4 50%,#E6B028)}
.ph-4{background:linear-gradient(135deg,#F6E7E3,#A81616 60%,#7E0E0E)}
.ph-5{background:linear-gradient(135deg,#FDF6E6,#E6B028 55%,#B8860B)}
.ph-6{background:linear-gradient(135deg,#F9EED4,#C72C2C 60%,#A81616)}
.ph .pat{width:118px;height:118px;opacity:.5}

/* ===================== 文学 ===================== */
.lit-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:stretch;margin-bottom:30px}
.poem{background:var(--yi-cream);border-radius:var(--radius);padding:34px 32px;position:relative;overflow:hidden;border:1px solid rgba(230,176,40,.35);transition:var(--tr);display:flex;flex-direction:column;height:100%}
.poem:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.poem-media{flex:1 1 auto;min-height:120px;overflow:hidden;border-radius:6px;margin-bottom:20px;background:var(--yi-light-yellow)}
.poem-media img{width:100%;height:100%;object-fit:cover}
.poem-label{display:inline-block;font-size:12px;letter-spacing:.3em;color:var(--yi-red);border-bottom:2px solid var(--yi-yellow);padding-bottom:3px;margin-bottom:16px}
.poem h4{font-family:var(--font);font-size:22px;color:var(--yi-black);letter-spacing:.12em;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.poem p{font-family:var(--font);font-size:15px;color:var(--text);line-height:2.1;
  display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden}
.list-item{display:flex;gap:18px;padding:17px 0;border-bottom:1px dashed var(--line);align-items:baseline}
/* 文学右侧列表与左侧诗作框等高，编号项纵向均布填满 */
.lit-list{display:flex;flex-direction:column;height:100%;justify-content:space-between}
.list-item:first-of-type{padding-top:0}
.list-date{flex:none;font-family:var(--font);text-align:center;color:var(--yi-black);background:var(--yi-cream);border:1px solid var(--line);border-radius:4px;padding:6px 10px;min-width:60px;transition:var(--tr)}
.list-date b{display:block;font-size:20px;line-height:1.25}
.list-date span{font-size:11px;color:var(--text-sub)}
.list-item:hover .list-date{background:var(--yi-red);border-color:var(--yi-red)}
.list-item:hover .list-date b{color:#fff}
.list-item:hover .list-date span{color:rgba(255,255,255,.75)}
.list-item h4{font-size:15px;font-weight:600;color:var(--text);letter-spacing:.03em;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.list-item h4::before{content:"";display:inline-block;width:6px;height:6px;background:var(--yi-yellow);margin-right:10px;transform:rotate(45deg);vertical-align:2px}
.list-item:hover h4{color:var(--yi-red)}
.list-item p{font-size:12.5px;color:var(--text-sub);margin-top:4px}
@media(max-width:980px){.lit-grid{grid-template-columns:1fr}}

/* ===================== 音乐 ===================== */
.music-zone{background:var(--yi-cream);padding-bottom:84px;border-top:1px solid var(--line)}
.music-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.music-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 24px 24px;margin-bottom:25px;transition:var(--tr);position:relative;overflow:hidden;cursor:pointer}
.music-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--yi-red),var(--yi-yellow));transform:scaleX(0);transition:transform var(--tr)}
.music-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--yi-yellow)}
.music-card:hover::after,.music-card.playing::after{transform:scaleX(1)}
/* 竖屏图片：跳过上方约 1/4 再取（JS 会按容器尺寸换算成精确百分比覆盖此值，
   这里是无布局信息时的兜底；百分比语义见 app.js 的 portraitPosY 注释） */
img.is-portrait{object-position:50% 25%}
.slide-main .art-layer.is-portrait{background-position:50% 25%}
/* 首页卡片里的竖屏图：完整等比显示（contain），以图片中央为中心，不裁切顶部 */
.card-media img.is-portrait,
.kepu-media img.is-portrait,
.lit-grid img.is-portrait,
.g-item img.is-portrait{object-fit:contain;object-position:50% 50%}
/* 竖屏视频封面同理（竖屏时 object-fit 为 contain，此规则不影响） */

.music-disc{width:62px;height:62px;border-radius:50%;background:conic-gradient(from 0deg,#1a1a16,#4a4a40,#1a1a16,#4a4a40,#1a1a16);border:2px solid var(--yi-yellow);position:relative;margin-bottom:16px;background-size:cover;overflow:hidden}
.music-disc img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.music-disc::after{content:"";position:absolute;inset:40%;border-radius:50%;background:var(--yi-red)}
.music-card.playing .music-disc{animation:spin 4s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.music-card h4{color:var(--yi-black);font-size:15px;letter-spacing:.06em;margin-bottom:4px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.music-card .artist{font-size:12px;color:var(--text-sub)}
.music-card .wave{display:flex;align-items:flex-end;gap:3px;height:22px;margin-top:14px}
.music-card .wave i{width:3px;height:30%;background:var(--yi-red);border-radius:2px;opacity:.45;transition:var(--tr)}
.music-card.playing .wave i{animation:wave 1s ease-in-out infinite;opacity:.9}
@keyframes wave{0%,100%{height:30%}50%{height:100%}}
.wave i:nth-child(2){animation-delay:.15s}.wave i:nth-child(3){animation-delay:.3s}
.wave i:nth-child(4){animation-delay:.45s}.wave i:nth-child(5){animation-delay:.6s}
.wave i:nth-child(6){animation-delay:.2s}.wave i:nth-child(7){animation-delay:.4s}
@media(max-width:980px){.music-grid{grid-template-columns:repeat(2,1fr)}}

/* ===================== 彝乡风 ===================== */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.g-item{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;cursor:pointer;background:var(--yi-light-yellow)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur-700) var(--ease-in-out)}
.g-item:hover img{transform:scale(1.07)}
.g-cap{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 16px;background:linear-gradient(to top,rgba(18,18,16,.82),transparent);color:#fff}
.g-cap h4{font-family:var(--font);font-size:16px;letter-spacing:.16em;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.g-cap span{font-size:11px;color:var(--yi-yellow);letter-spacing:.1em}
/* 图卡角标文字由「发布日期」改为「点击查看」 */
.g-cap .g-more{display:inline-flex;align-items:center;gap:6px;margin-top:7px;transition:gap var(--dur-700) var(--ease-in-out)}
.g-cap .g-more::after{content:"";width:10px;height:1px;background:currentColor;transition:width var(--dur-700) var(--ease-in-out)}
.g-item:hover .g-cap .g-more{gap:9px}
.g-item:hover .g-cap .g-more::after{width:20px}
@media(max-width:980px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* ===================== 科普凉山 ===================== */
.kepugrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kepu-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0 0 24px;transition:var(--tr);position:relative;overflow:hidden;cursor:pointer}
.kepu-card:hover{box-shadow:var(--shadow-md);border-color:var(--yi-yellow);transform:translateY(-3px)}
.kepu-media{position:relative;aspect-ratio:16/9;width:100%;overflow:hidden;background:var(--yi-light-yellow)}
.kepu-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur-700) var(--ease-in-out)}
.kepu-card:hover .kepu-media img{transform:scale(1.05)}
.kepu-card h4{font-size:16px;color:var(--yi-black);letter-spacing:.08em;margin:18px 26px 8px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.kepu-card p{font-size:13px;color:var(--text-sub);margin:0 26px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.kepu-num{position:absolute;top:12px;right:12px;font-family:var(--font);font-size:12px;color:#fff;background:rgba(18,18,16,.55);padding:3px 9px;border-radius:3px;letter-spacing:.1em;z-index:2}
@media(max-width:980px){.kepugrid{grid-template-columns:1fr}}

/* ===================== 加载骨架 / 空态 ===================== */
.skeleton{border-radius:var(--radius);background:linear-gradient(90deg,#F2EFE7 25%,#E9E5DA 37%,#F2EFE7 63%);background-size:400% 100%;animation:sk 1.4s ease infinite}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.sk-card{height:280px}
.sk-line{height:16px;margin:10px 0;border-radius:4px}
.empty{padding:48px 0;text-align:center;color:var(--text-sub);font-size:13px;letter-spacing:.1em}
.empty .mark{font-family:var(--font-yi);font-size:51px;color:rgba(230,176,40,.55);display:block;margin-bottom:10px}
.error-tip{padding:28px;text-align:center;color:var(--yi-red);font-size:13px;border:1px dashed rgba(168,22,22,.3);border-radius:var(--radius);background:#FFF8F7}

/* ===================== 栏目列表页 ===================== */
.crumb{padding:22px 0 0;font-size:13px;color:var(--text-sub);letter-spacing:.08em}
.crumb a:hover{color:var(--yi-red)}
.crumb .sep{margin:0 8px;color:#C6BFAE}
.page-head{padding:26px 0 34px;border-bottom:2px solid var(--yi-black);margin-bottom:34px}
.page-head .en{font-size:11px;letter-spacing:.34em;color:#9a948a;text-transform:uppercase}
.page-head h1{font-family:var(--font);font-size:34px;color:var(--yi-black);letter-spacing:.14em;margin:10px 0 8px}
.page-head .desc{font-size:14px;color:var(--text-sub)}
.page-head .count{margin-top:12px;font-size:12px;color:#9a948a;letter-spacing:.1em}
.list-wrap{padding:40px 0 0}
.article-row{display:grid;grid-template-columns:220px 1fr;gap:26px;padding:26px 0;border-bottom:1px solid var(--line);align-items:center}
.article-row:hover{background:var(--yi-cream)}
.article-row .thumb{height:140px;border-radius:6px;overflow:hidden;background:var(--yi-light-yellow)}
.article-row .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur-700) var(--ease-in-out)}
.article-row:hover .thumb img{transform:scale(1.06)}
/* 竖屏缩略图：盒子改为竖向（3:4），高度不超过 240，整张竖图基本不被裁切 */
.article-row .thumb.portrait{height:auto;aspect-ratio:3/4;max-height:240px}
.article-row h3{font-family:var(--font);font-size:20px;color:var(--yi-black);letter-spacing:.05em;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-row:hover h3{color:var(--yi-red)}
.article-row .sum{font-size:13.5px;color:var(--text-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-row .meta{margin-top:10px;font-size:12px;color:#9a948a;display:flex;gap:18px;flex-wrap:wrap}
.article-row .meta .src{color:var(--yi-red);opacity:.75}
@media(max-width:760px){.article-row{grid-template-columns:1fr}.article-row .thumb{height:180px}.article-row .thumb.portrait{aspect-ratio:auto;max-height:none;height:180px}.article-row .thumb.portrait img{object-fit:contain}}

.pager{display:flex;justify-content:center;align-items:center;gap:8px;padding:52px 0 20px}
.pager a,.pager span{min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:4px;font-size:14px;color:var(--text);background:#fff;transition:var(--tr)}
.pager a:hover{border-color:var(--yi-yellow);color:var(--yi-red)}
.pager .cur{background:var(--yi-red);border-color:var(--yi-red);color:#fff}
.pager .dis{opacity:.4;cursor:default}

/* ===================== 文章详情页 ===================== */
.article-wrap{padding:44px 0 0;max-width:820px;margin:0 auto}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:26px}
.article-head.has-video{border-bottom:none}
.article-head .kicker{display:inline-block;font-size:12px;letter-spacing:.26em;color:var(--yi-red);border-bottom:2px solid var(--yi-yellow);padding-bottom:3px;margin-bottom:16px}
.article-head h1{font-family:var(--font);font-size:32px;line-height:1.55;color:var(--yi-black);letter-spacing:.04em;margin-bottom:14px}
.article-head .sub{font-size:15px;color:var(--text-sub);margin-bottom:16px}
.article-head .meta{font-size:12.5px;color:#9a948a;display:flex;gap:20px;flex-wrap:wrap}
.article-head .meta .src{color:var(--yi-red);opacity:.8}
/* 详情页不显示顶部缩略图：图片只在正文自己的位置出现（.article-body figure.art-figure） */
.article-summary{background:var(--yi-cream);border-left:3px solid var(--yi-yellow);padding:18px 22px;margin-bottom:28px;
  font-size:14px;color:var(--text-sub);line-height:1.95}

/* 正文富文本 */
.article-body{font-size:16.5px;line-height:2.05;color:#2E2E2C;word-break:break-word}
.article-body p{margin:0 0 18px}
.article-body img{max-width:100%;height:auto;border-radius:6px;margin:12px 0}
.article-body img.is-portrait{object-position:50% 50%}
/* 正文内嵌图片：由 <!--PICTURE#id--> 标记还原，居中完整显示 */
.article-body figure.art-figure{margin:22px 0;text-align:center}
.article-body figure.art-figure img{display:block;max-width:100%;height:auto;margin:0 auto;border-radius:6px}
.article-body figure.art-figure figcaption{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-sub);text-align:center}
.article-body section,.article-body div{max-width:100%;overflow:visible}
.article-body strong,.article-body b{font-weight:700}
.article-body a{color:var(--yi-red);text-decoration:underline}
.article-body h1,.article-body h2,.article-body h3{font-family:var(--font);color:var(--yi-black);margin:26px 0 14px;line-height:1.6}
.article-body h2{font-size:22px}.article-body h3{font-size:19px}
.article-body video,.article-body iframe{max-width:100%;border-radius:6px;margin:12px 0}
.article-body blockquote{border-left:3px solid var(--yi-yellow);padding:6px 0 6px 18px;color:var(--text-sub);margin:14px 0}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 18px}

.no-body{padding:40px;text-align:center;color:var(--text-sub);font-size:14px;background:var(--yi-cream);border-radius:var(--radius)}
.no-body .mark{font-family:var(--font-yi);font-size:45px;color:rgba(230,176,40,.6);display:block;margin-bottom:8px}
.no-body a{display:inline-block;margin-top:14px;color:var(--yi-red);border:1px solid rgba(168,22,22,.35);border-radius:20px;padding:6px 20px;font-size:13px}
.no-body a:hover{background:var(--yi-red);color:#fff}

.relate{padding:64px 0 0}
.relate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:980px){.relate-grid{grid-template-columns:1fr}.article-head h1{font-size:24px}}

/* ===================== 页脚 ===================== */
footer{background:var(--yi-black);color:rgba(255,255,255,.55);margin-top:96px;border-top:3px solid var(--yi-red)}
.foot-main{display:grid;grid-template-columns:1fr 3fr;gap:40px;padding:56px 0 38px}
.foot-main h5{color:#fff;font-size:14px;letter-spacing:.22em;margin-bottom:18px;font-weight:500}
.foot-main h5::after{content:"";display:block;width:24px;height:2px;background:var(--yi-yellow);margin-top:8px}
.foot-main a{display:block;font-size:13px;padding:4px 0}
.foot-main a:hover{color:var(--yi-yellow)}
.foot-brand p{font-size:13px;line-height:2;margin-top:16px;max-width:290px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:12px;display:flex;justify-content:space-between;letter-spacing:.05em;flex-wrap:wrap;gap:8px}
.foot-legal{font-size:12px;line-height:1.95;color:rgba(255,255,255,.5);letter-spacing:.02em}
.foot-legal p{margin:0 0 4px}
.foot-legal a{color:var(--yi-yellow);text-decoration:underline}
.foot-legal a:hover{color:#fff}
/* 举报与备案信息：标签 + 内容两列网格，按内容逻辑分组排布 */
.foot-legal .legal-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px 44px;margin-top:2px}
.foot-legal .legal-row{display:flex;gap:10px;align-items:baseline}
.foot-legal .legal-row--full{grid-column:1 / -1}
.foot-legal .lk{flex:none;color:var(--yi-yellow);white-space:nowrap;letter-spacing:.04em}
.foot-legal .lk::after{content:"："}
.foot-legal .lv{color:rgba(255,255,255,.52);line-height:1.85}
.foot-legal .lv a{color:inherit;text-decoration:none}
/* 备案号：三项强制排在一行（禁止换行）；该区链接文字颜色与普通文字一致（仍可点击） */
.foot-legal .legal-row--beian{display:flex;flex-wrap:nowrap;white-space:nowrap}
.foot-legal .legal-row--beian .lk{white-space:nowrap}
.foot-legal .legal-row--beian .lv{white-space:nowrap !important;min-width:0}
.foot-legal .legal-row--beian .lv a{white-space:nowrap !important;color:inherit;text-decoration:none}
@media(max-width:900px){.foot-main{grid-template-columns:1fr}.foot-legal .legal-grid{grid-template-columns:1fr;gap:7px 0}}

.backtop{position:fixed;right:28px;bottom:32px;width:46px;height:46px;border-radius:6px;background:var(--yi-red);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;opacity:0;pointer-events:none;transition:var(--tr);box-shadow:var(--shadow-md);z-index:99}
.backtop.show{opacity:1;pointer-events:auto}
.backtop:hover{background:var(--yi-red-hover);transform:translateY(-3px)}

/* ===================== 媒体播放（正文内视频 / 音频） ===================== */
.media-box{margin:26px 0;border-radius:var(--radius);overflow:hidden;background:var(--yi-cream)}

/* 视频 */
.media-box.video-box{cursor:pointer;position:relative;border:1px solid var(--line)}
/* 宽高比由 JS 按封面图 / 视频真实尺寸写入（竖屏视频自动变高）；max-height 兜底避免竖屏撑得过高 */
.media-box.video-box .media-poster{position:relative;aspect-ratio:16/9;max-height:78vh;background:var(--yi-black);overflow:hidden;
  transition:aspect-ratio var(--dur-700) var(--ease-in-out)}
.media-box.video-box .media-poster img{display:block;width:100%;height:100%;object-fit:cover;opacity:.9;margin:0;border-radius:0}
/* 竖屏封面：完整呈现画面，与播放后的竖屏画面保持一致 */
.media-box.video-box .media-poster.is-portrait img{object-fit:contain}
.media-box.video-box .media-nocover{display:block;width:100%;height:100%;
  background:linear-gradient(135deg,var(--yi-black-2),var(--yi-black))}
.media-box.video-box .media-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:74px;height:74px;border-radius:50%;border:2px solid var(--yi-yellow);background:rgba(18,18,16,.42);
  cursor:pointer;transition:var(--tr);backdrop-filter:blur(2px)}
.media-box.video-box .media-play::after{content:"";position:absolute;left:50%;top:50%;
  transform:translate(-42%,-50%);width:0;height:0;border-left:22px solid var(--yi-yellow);
  border-top:13px solid transparent;border-bottom:13px solid transparent}
.media-box.video-box:hover .media-play{background:var(--yi-red);transform:translate(-50%,-50%) scale(1.07)}
.media-box.video-box .media-dur{position:absolute;right:12px;bottom:12px;padding:3px 9px;border-radius:3px;
  background:rgba(18,18,16,.72);color:#fff;font-size:12px;letter-spacing:.06em}
.media-box.video-box figcaption{padding:12px 16px;font-family:var(--font);font-size:15px;color:var(--yi-black);
  border-top:1px solid var(--line);background:#fff}
.media-box.video-box .video-live{position:relative;background:#000;aspect-ratio:16/9;max-height:78vh;
  transition:aspect-ratio var(--dur-700) var(--ease-in-out)}
.media-box.video-box .video-live video{display:block;width:100%;height:100%;object-fit:contain;margin:0;border-radius:0}
.media-box.video-box.is-playing{cursor:default}
/* 竖屏：宽度由 JS 收缩到画面宽度，边框紧贴画面并整体居中 */
.media-box.video-box.is-portrait{margin-left:auto;margin-right:auto}

/* 音频 */
.media-box.audio-box{display:flex;align-items:center;gap:16px;padding:16px 20px;
  border:1px solid var(--line);background:linear-gradient(100deg,var(--yi-light-yellow),#fff);cursor:pointer;
  transition:var(--tr)}
.media-box.audio-box:hover{border-color:var(--yi-yellow);box-shadow:var(--shadow-sm)}
.media-box.audio-box .audio-play{flex:none;width:46px;height:46px;border-radius:50%;border:none;
  background:var(--yi-red);cursor:pointer;position:relative;transition:var(--tr)}
.media-box.audio-box .audio-play::after{content:"";position:absolute;left:50%;top:50%;
  transform:translate(-38%,-50%);width:0;height:0;border-left:14px solid #fff;
  border-top:8px solid transparent;border-bottom:8px solid transparent}
.media-box.audio-box.is-playing .audio-play{background:var(--yi-yellow)}
.media-box.audio-box.is-playing .audio-play::after{border:none;width:14px;height:14px;
  transform:translate(-50%,-50%);background:
    linear-gradient(90deg,var(--yi-black) 0 4px,transparent 4px 10px,var(--yi-black) 10px 14px)}
.media-box.audio-box .audio-main{flex:1;min-width:0}
.media-box.audio-box .audio-title{display:block;font-family:var(--font);font-size:15px;color:var(--yi-black);
  font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.media-box.audio-box .audio-track{margin-top:9px;height:4px;border-radius:2px;background:rgba(18,18,16,.12);overflow:hidden}
.media-box.audio-box .audio-track i{display:block;width:0;height:100%;background:var(--yi-red);transition:width .2s linear}
.media-box.audio-box .audio-dur{flex:none;font-size:13px;color:var(--text-sub);letter-spacing:.04em;font-variant-numeric:tabular-nums}
@media(max-width:640px){.media-box.audio-box{padding:12px 14px;gap:12px}
  .media-box.audio-box .audio-play{width:38px;height:38px}}

/* 头条主视频（桌面端置于标题上方 / 小屏端置顶）：去掉框线白边，并收紧与标题之间的间距 */
.article-head > .media-box.video-box,
main.container > .media-box.video-box{
  border:none;
  margin:14px 0 18px;
}

/* 窄屏：文章主视频相关处理 */
@media(max-width:760px){
  /* 视频放在顶部导航下方（main 首个子元素）时左右满屏；也兼容仍在 .article-head 内的情况 */
  .article-head > .media-box.video-box,
  main.container > .media-box.video-box{
    width:100vw !important;max-width:100vw !important;
    position:relative !important;left:50% !important;margin-left:-50vw !important;margin-right:0 !important;
    border-radius:0 !important;margin-top:0 !important;
    border:none !important;margin-bottom:0 !important;
  }
  .article-head > .media-box.video-box .media-poster,
  .article-head > .media-box.video-box .video-live,
  main.container > .media-box.video-box .media-poster,
  main.container > .media-box.video-box .video-live{
    max-height:none !important;border-radius:0 !important;
  }
  /* 视频稿：隐藏面包屑与 kicker（栏目·类型）行 */
  #crumb{display:none}
  .article-head .kicker{display:none}
}

/* 列表 / 卡片上的媒体角标 */
.media-flag{position:absolute;left:10px;top:10px;z-index:3;display:inline-flex;align-items:center;gap:5px;
  padding:3px 9px;border-radius:3px;background:rgba(18,18,16,.72);color:var(--yi-yellow);
  font-size:11px;letter-spacing:.08em;backdrop-filter:blur(2px)}
.media-flag .ic-video,.media-flag .ic-audio{width:0;height:0;display:inline-block}
.media-flag .ic-video{border-left:7px solid var(--yi-yellow);border-top:5px solid transparent;border-bottom:5px solid transparent}
.media-flag .ic-audio{width:9px;height:9px;border:none;border-radius:50%;background:var(--yi-yellow)}
.music-card{position:relative}
.music-card .media-flag{left:auto;right:10px;top:10px}

/* 首页幻灯右侧「专题 ›」角标 */
.slide-item .sp-arrow{position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-style:normal;font-size:11px;letter-spacing:.12em;color:var(--yi-yellow);
  border:1px solid rgba(230,176,40,.5);border-radius:3px;padding:2px 8px;opacity:0;transition:var(--tr)}
.slide-item{position:relative}
.slide-item:hover .sp-arrow,.slide-item.on .sp-arrow{opacity:1}

/* ===================== 专题页 ===================== */
.sp-hero{position:relative;background:var(--yi-black);overflow:hidden;
  border-bottom:3px solid var(--yi-red);padding:74px 0 60px}
.sp-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.sp-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,18,16,.55),rgba(18,18,16,.9))}
.sp-hero-in{position:relative;z-index:2}
.sp-kicker{display:inline-block;font-size:11px;letter-spacing:.38em;color:var(--yi-yellow);
  border:1px solid rgba(230,176,40,.45);border-radius:3px;padding:4px 12px;margin-bottom:18px}
.sp-hero h1{font-family:var(--font);font-size:40px;color:#fff;letter-spacing:.06em;line-height:1.35}
.sp-meta{margin-top:16px;display:flex;align-items:center;gap:14px;font-size:13px;color:rgba(255,255,255,.62)}
.sp-meta i{width:1px;height:12px;background:rgba(255,255,255,.3);display:inline-block}
@media(max-width:760px){.sp-hero{padding:48px 0 40px}.sp-hero h1{font-size:26px}}

.sp-loading{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:40px 0}
.sp-block{padding:44px 0 8px;border-bottom:1px solid var(--line)}
.sp-block:last-child{border-bottom:none}
.sp-block-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.sp-block-head .sp-no{font-family:var(--font);font-size:26px;color:var(--yi-yellow);line-height:1}
.sp-block-head h2{font-family:var(--font);font-size:22px;color:var(--yi-black);letter-spacing:.06em;position:relative;padding-left:16px}
.sp-block-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--yi-red)}
.sp-block-head .sp-count{margin-left:auto;font-size:12px;color:var(--text-sub);letter-spacing:.08em}
.sp-block-head .sp-more{font-size:13px;color:var(--yi-red);letter-spacing:.06em}
.sp-block-head .sp-more:hover{color:var(--yi-yellow)}
.sp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:980px){.sp-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.sp-grid{grid-template-columns:1fr}.sp-loading{grid-template-columns:1fr}}

/* 滚动自动加载哨兵 */
.sp-sentinel{margin:26px 0 8px;padding:16px 0;text-align:center;
  font-size:12px;letter-spacing:.18em;color:var(--text-sub);
  border-top:1px dashed var(--line);min-height:52px;display:flex;
  align-items:center;justify-content:center;gap:10px}
.sp-sentinel.is-loading{color:var(--yi-red)}
.sp-sentinel.is-done{color:var(--text-sub);opacity:.6}
.sp-dots{display:inline-flex;align-items:center;gap:4px}
.sp-dots i{width:5px;height:5px;border-radius:50%;background:var(--yi-red);opacity:.3;
  animation:spBlink 1.1s infinite ease-in-out}
.sp-dots i:nth-child(2){animation-delay:.16s}
.sp-dots i:nth-child(3){animation-delay:.32s}
@keyframes spBlink{0%,100%{opacity:.2;transform:translateY(0)}
  50%{opacity:1;transform:translateY(-3px)}}
.sp-sentinel.is-done .sp-dots{display:none}

/* ===================== 滚动入场动画 ===================== */
/* 元素初始隐藏并下方 48px，进入视口时加 .in 触发「淡入 + 从下往上移」；
   JS 按同容器内顺序设置 animation-delay 形成次第效果，动画结束后移除 .reveal 以恢复元素自身的 hover 过渡 */
.reveal{opacity:0}
.reveal.in{animation:reveal-up var(--dur-1000) var(--ease-in-out) both;will-change:opacity,transform}
/* 透明度在 55% 就到位，后半程能清楚看到元素继续向上滑行 */
@keyframes reveal-up{
  from{opacity:0;transform:translateY(48px)}
  55%{opacity:1}
  to{opacity:1;transform:translateY(0)}
}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important;animation:none!important;transition:none!important}
  .slide-main .art-layer{transition:none!important;animation:none!important}
  .slide-caption.cap-swap h3,.slide-caption.cap-swap p{animation:none!important}
}