/* ============================================
   方案详情页 & 方案库 专用样式（配合 style.css）
   视觉：沿用全站深蓝 #0A3459 + 金 #C9A05C
   ============================================ */

/* ---------- 方案库卡片（solutions.html）v1103a 奇偶交替版 ----------
   A 卡（奇数）：深蓝夜色，金数据 —— 稳重专业
   B 卡（偶数）：日光浅色，蓝数据 —— 呼吸留白
   两卡共享顶部金线 / 圆角 / hover 浮起，形成深浅节奏 */
.so-cards { margin: 0 16px; display: grid; gap: 16px; }
.so-card {
  position: relative;
  display: block;
  border-radius: 18px;
  padding: 22px 18px 16px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.so-card::before {                       /* 顶部金色光线 */
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold-bright) 30%, #fff 50%, var(--gold-bright) 70%, transparent);
  opacity: .9;
}
.so-card:hover { transform: translateY(-3px); }

/* 右上角方案编号角标（v1103c，编号=后台方案ID，两侧主题通用金色书签式） */
.so-card .so-no {
  position: absolute;
  top: 0;
  right: 0;
  background: linear-gradient(120deg, #C9A05C, #E4C287);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 0 18px 0 12px;
  box-shadow: 0 2px 8px rgba(201,160,92,.38);
}

/* A 卡 · 深蓝夜色 */
.so-card.so-a {
  color: #fff;
  background:
    radial-gradient(ellipse 130% 90% at 90% -10%, rgba(27,111,181,.6), transparent 55%),
    radial-gradient(ellipse 110% 70% at 0% 110%, rgba(228,193,133,.16), transparent 60%),
    linear-gradient(155deg, var(--blue-deep) 0%, var(--blue) 85%);
  box-shadow: 0 10px 26px rgba(10, 52, 89, .28);
}
.so-card.so-a:hover { box-shadow: 0 16px 34px rgba(10,52,89,.38); }

/* B 卡 · 淡蓝色 */
.so-card.so-b {
  color: var(--blue-deep);
  background: linear-gradient(165deg, #ECF5FC 0%, #D8E8F6 100%);
  border: 1px solid #C9DAEB;
  box-shadow: 0 8px 22px rgba(27, 111, 181, .14);
}
.so-card.so-b::before {
  background: linear-gradient(90deg, transparent, var(--gold) 35%, var(--gold-bright) 50%, var(--gold) 65%, transparent);
  opacity: .75;
}
.so-card.so-b:hover { box-shadow: 0 14px 30px rgba(27,111,181,.22); }

/* 头部：类型胶囊 + 标题（v1103a 去掉大序号） */
.so-card .so-head { margin-bottom: 10px; }
.so-card .so-tag {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 1px;
  border-radius: 999px;
  padding: 2px 11px;
  margin-bottom: 9px;
}
.so-a .so-tag {
  color: var(--gold-bright);
  border: 1px solid rgba(228,193,133,.55);
}
.so-b .so-tag {
  color: var(--blue);
  border: 1px solid #B7CCE2;
  background: rgba(255,255,255,.82);
}
.so-card h3 { font-size: 20px; line-height: 1.45; margin-bottom: 6px; font-weight: 800; letter-spacing: .5px; padding-right: 84px; }
.so-a h3 { color: #fff; }
.so-b h3 { color: var(--blue-deep); }
.so-card .so-card-sub { font-size: 12.5px; margin-bottom: 14px; line-height: 1.7; }
.so-a .so-card-sub { color: rgba(255,255,255,.8); }
.so-b .so-card-sub { color: #5B6B7C; }

/* 数据 2×2 矩阵 */
.so-card-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}
.so-card-stats > div {
  border-radius: 12px;
  padding: 10px 8px 9px;
  text-align: center;
}
.so-a .so-card-stats > div {
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.14);
}
.so-b .so-card-stats > div {
  background: rgba(255,255,255,.75);
  border: 1px solid #C7D8EA;
}
.so-card-stats b { display: block; font-size: 19px; font-weight: 800; line-height: 1.3; }
.so-a .so-card-stats b { color: var(--gold-bright); }
.so-b .so-card-stats b { color: var(--blue); }
.so-card-stats span { display: block; margin-top: 2px; font-size: 10.5px; letter-spacing: 1px; }
.so-a .so-card-stats span { color: rgba(255,255,255,.72); }
.so-b .so-card-stats span { color: #7A8A99; }

/* 查看完整方案按钮 */
.so-card .so-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 999px;
  padding: 9px 0;
  font-size: 13.5px;
  font-weight: 700;
  transition: background .2s, color .2s;
}
.so-card .so-more::after { content: "→"; font-size: 15px; transition: transform .2s; }
.so-a .so-more { border: 1px solid rgba(228,193,133,.6); color: var(--gold-bright); }
.so-a:hover .so-more { background: var(--gold-bright); color: var(--blue-deep); }
.so-b .so-more { border: 1px solid #B9CBE0; color: var(--blue); }
.so-b:hover .so-more { background: var(--blue); border-color: var(--blue); color: #fff; }
.so-card:active .so-more::after { transform: translateX(4px); }

/* 桌面端：列表限宽居中，数据格并成一行 */
@media (min-width: 640px) {
  .so-cards { max-width: 880px; margin: 0 auto; }
  .so-card { padding: 26px 26px 20px; }
  .so-card-stats { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- 详情页 Hero ---------- */
.so-hero {
  position: relative;
  padding: 34px 22px 26px;
  color: #fff;
  background:
    radial-gradient(ellipse 120% 55% at 50% 0%, rgba(27,111,181,.5), transparent 62%),
    radial-gradient(ellipse 130% 60% at 50% 115%, rgba(228,193,133,.16), transparent 58%),
    linear-gradient(160deg, var(--blue-deep) 0%, var(--blue) 60%, #0D5A96 100%);
  overflow: hidden;
}
.so-hero .so-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--gold-bright);
  border: 1px solid rgba(228,193,133,.5);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 12px;
}
.so-hero h1 { font-size: 23px; line-height: 1.4; margin-bottom: 8px; }
.so-hero .so-sub { font-size: 13.5px; color: rgba(255,255,255,.82); line-height: 1.7; margin-bottom: 16px; }
.so-hero .so-pills { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.so-hero .so-pills span {
  font-size: 11.5px;
  color: #E8EEF4;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 3px 10px;
}
.so-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.so-stats > div {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 12px;
  padding: 9px 4px 8px;
  text-align: center;
}
.so-stats b { display: block; font-size: 19px; font-weight: 800; color: var(--gold-bright); line-height: 1.3; }
.so-stats b i { font-style: normal; font-size: 12px; }
.so-stats span { font-size: 10.5px; color: rgba(255,255,255,.7); }

/* ---------- 区块通用 ---------- */
.so-sec { margin: 18px 16px 0; }
.so-sec > h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  color: var(--blue-deep);
  margin-bottom: 4px;
}
.so-sec > h2::before {
  content: "";
  width: 4px;
  height: 17px;
  border-radius: 2px;
  background: linear-gradient(var(--gold), var(--gold-bright));
  flex: none;
}
.so-sec > .so-lead { font-size: 12.5px; color: var(--gray); margin-bottom: 12px; }

.so-panel {
  background: var(--white);
  border: 1px solid #E4EAF1;
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 4px 14px rgba(10,52,89,.05);
}

/* 痛点卡 */
.so-pain { border-left: 4px solid #D06A5A; }
.so-pain b { display: block; font-size: 14.5px; color: #A4402F; margin-bottom: 4px; }
.so-pain p { font-size: 12.5px; color: #4A5A68; line-height: 1.7; }

/* 通用卡片网格 */
.so-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.so-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.so-grid2 .so-panel b { display: block; font-size: 14px; color: var(--blue-deep); margin-bottom: 4px; }
.so-grid2 .so-panel p { font-size: 12px; color: #4A5A68; line-height: 1.7; }
.so-mini {
  background: #F4F7FB;
  border: 1px solid #E4EAF1;
  border-radius: 10px;
  padding: 8px 6px 7px;
  text-align: center;
}
.so-mini b { display: block; font-size: 15px; font-weight: 800; color: var(--blue); line-height: 1.3; }
.so-mini span { font-size: 10.5px; color: var(--gray); }

/* 架构条目 */
.so-arch { display: grid; gap: 9px; }
.so-arch > div {
  display: flex;
  gap: 11px;
  background: var(--white);
  border: 1px solid #E4EAF1;
  border-radius: 12px;
  padding: 12px;
}
.so-arch .ico {
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(150deg, var(--blue) , var(--blue-light));
  color: #fff;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.so-arch b { display: block; font-size: 14px; color: var(--blue-deep); margin-bottom: 2px; }
.so-arch p { font-size: 12px; color: #4A5A68; line-height: 1.65; }

/* 图片组 */
.so-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.so-imgs .wide { grid-column: 1 / -1; }
.so-imgs figure {
  margin: 0;
  background: var(--white);
  border: 1px solid #E4EAF1;
  border-radius: 12px;
  overflow: hidden;
}
.so-imgs img { width: 100%; height: 150px; object-fit: cover; display: block; }
.so-imgs .wide img { height: 190px; }
.so-imgs figcaption { font-size: 11px; color: var(--gray); padding: 7px 9px 8px; line-height: 1.5; }

/* 高低峰模式卡 */
.so-mode { border: 1px solid #E4EAF1; border-radius: 12px; overflow: hidden; background: var(--white); }
.so-mode .head { padding: 9px 13px; color: #fff; font-size: 13.5px; font-weight: 700; }
.so-mode .head small { display: block; font-weight: 400; font-size: 10.5px; opacity: .85; margin-top: 1px; }
.so-mode .body { padding: 10px 13px 11px; font-size: 12px; color: #4A5A68; line-height: 1.75; }
.so-mode .body b { color: var(--blue-deep); }
.so-mode.m-gold .head { background: linear-gradient(120deg, #B8863B, #D3A55C); }
.so-mode.m-blue .head { background: linear-gradient(120deg, #0F4C81, #1B6FB5); }
.so-mode.m-deep .head { background: linear-gradient(120deg, #082B49, #0A3459); }

/* 对比表 */
.so-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.so-table { width: 100%; border-collapse: collapse; font-size: 12px; background: var(--white); }
.so-table th {
  background: var(--blue-deep);
  color: #fff;
  font-weight: 600;
  text-align: left;
  padding: 8px 9px;
  white-space: nowrap;
}
.so-table th.hl, .so-table td.hl { background: #F7EEDD; color: #7A5A1E; font-weight: 700; }
.so-table td {
  border-bottom: 1px solid #EDF1F6;
  padding: 8px 9px;
  color: #37485A;
  line-height: 1.55;
}
.so-table td:first-child { font-weight: 600; color: var(--blue-deep); white-space: nowrap; }

/* 口径说明 */
.so-note {
  background: #FBF6EA;
  border: 1px solid #EBDDBC;
  border-radius: 12px;
  padding: 11px 13px;
  font-size: 11.5px;
  color: #7A6432;
  line-height: 1.75;
}
.so-note b { color: #8A6420; }

/* 实施步骤 */
.so-steps { display: grid; gap: 0; }
.so-steps > div {
  position: relative;
  padding: 0 0 16px 40px;
}
.so-steps > div::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 24px;
  bottom: 2px;
  width: 2px;
  background: #E4EAF1;
}
.so-steps > div:last-child::before { display: none; }
.so-steps .n {
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(150deg, var(--blue), var(--blue-light));
  color: #fff;
  font-size: 12.5px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.so-steps b { display: block; font-size: 13.5px; color: var(--blue-deep); margin-bottom: 2px; }
.so-steps p { font-size: 12px; color: #4A5A68; line-height: 1.65; }

/* EMC 合作模式 */
.so-emc-flow { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.so-emc-flow > div {
  background: #F4F7FB;
  border: 1px solid #E4EAF1;
  border-radius: 10px;
  padding: 9px 10px;
  font-size: 11.5px;
  color: #4A5A68;
  line-height: 1.6;
}
.so-emc-flow b { display: block; font-size: 12.5px; color: var(--blue-deep); margin-bottom: 2px; }
.so-zero {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.so-zero > div {
  background: linear-gradient(150deg, var(--blue-deep), var(--blue));
  border-radius: 12px;
  color: #fff;
  text-align: center;
  padding: 11px 4px 10px;
}
.so-zero b { display: block; font-size: 17px; font-weight: 800; color: var(--gold-bright); }
.so-zero span { font-size: 10.5px; color: rgba(255,255,255,.75); }

/* 桌面端放大一点 */
@media (min-width: 480px) {
  .so-hero h1 { font-size: 26px; }
  .so-imgs img { height: 175px; }
  .so-imgs .wide img { height: 215px; }
}