/**
 * 全站顶栏：统一主题蓝、左侧品牌、右侧导航
 * 各页面 <head> 中于内联 <style> 之后引入：/css/sv_site_nav.css?v=7
 */
/* 全站顶栏基础 reset：避免 body/html 默认 margin 在顶栏外缘露出白边 */
html {
  margin: 0;
  background: #f3f6fb;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
}

:root {
  /* 主题色取自“反馈你的需求”按钮，并做轻微层次渐变 */
  --sv-nav-bg: #0068df;
  --sv-nav-bg-2: #0b57c7;
  --sv-nav-border: #0a4fae;
  --sv-nav-muted: rgba(255, 255, 255, 0.78);
  --sv-nav-hover: #ffffff;
  --sv-nav-active: #ffffff;
  --sv-nav-height: 50px;
  /* 以个股分析页当前顶栏高低为基准，统一全站页面切换时的顶栏高度 */
  --sv-nav-pad-top: 24px;
  --sv-nav-pad-bottom: 16px;
  --sv-nav-max-w: 1280px;
}

.sv-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: linear-gradient(120deg, var(--sv-nav-bg) 0%, var(--sv-nav-bg-2) 100%);
  border-bottom: 1px solid var(--sv-nav-border);
  box-shadow: 0 4px 18px rgba(4, 40, 95, 0.2);
}

header.sv-site-header {
  padding-top: var(--sv-nav-pad-top);
  padding-bottom: var(--sv-nav-pad-bottom);
}

.sv-site-header__inner {
  max-width: none;
  width: 100%;
  padding: 0 12px 0 18px;
  height: var(--sv-nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sv-site-leading {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  margin-right: auto;
}

.sv-nav-search {
  display: inline-flex;
  align-items: center;
  margin-right: 4px;
}

.sv-site-nav {
  margin-left: auto;
}

.search-input-wrap {
  position: relative;
  display: block;
  width: 214px;
}

.sv-nav-search-trigger {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 32px;
  border: none;
  border-right: 1px solid rgba(96, 125, 139, 0.22);
  border-radius: 7px 0 0 7px;
  background: transparent;
  color: #5b6f87;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.sv-nav-search-trigger:hover {
  color: #2d4e79;
  background: rgba(24, 119, 242, 0.06);
}

.sv-nav-search-input {
  width: 100%;
  height: 32px;
  padding: 0 10px 0 42px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.96);
  color: #1f2937;
  font-size: 14px;
  line-height: 1.2;
}

.sv-nav-search-input::placeholder {
  color: #7a8a9d;
}

.sv-nav-search-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.34);
}

.sv-nav-search-trigger:disabled,
.sv-nav-search-input:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.sv-site-brand {
  display: inline-flex;
  align-items: center;
  color: var(--sv-nav-active);
  text-decoration: none;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0;
  flex-shrink: 0;
}

.sv-site-brand:hover {
  color: var(--sv-nav-hover);
  opacity: 0.95;
}

.sv-site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 4px 8px;
  margin: 0;
  padding: 0;
}

.sv-site-nav__link {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--sv-nav-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.12s, background 0.12s;
}

.sv-site-nav__link:hover {
  color: var(--sv-nav-hover);
  background: rgba(255, 255, 255, 0.12);
}

.sv-site-nav__link.is-active {
  color: var(--sv-nav-active);
  font-weight: 600;
  background: rgba(0, 0, 0, 0.12);
}

.sv-site-nav__auth-divider {
  width: 1px;
  height: 20px;
  margin: 0 4px 0 2px;
  background: rgba(255, 255, 255, 0.28);
}

/* 认证区：复用 __link 基础样式，避免各页内联/Tailwind 覆盖独立的 __user/__button */
.sv-site-header .sv-site-nav .sv-site-nav__link--user {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.26);
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  text-decoration: none;
}

.sv-site-header .sv-site-nav .sv-site-nav__link--user:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.24);
}

.sv-site-header .sv-site-nav .sv-site-nav__link--action {
  border: none;
  background: transparent;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.sv-site-header .sv-site-nav .sv-site-nav__link--action:hover {
  color: var(--sv-nav-hover);
  background: rgba(255, 255, 255, 0.12);
}

.sv-site-header .sv-site-nav .sv-site-nav__link--action:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.9);
  outline-offset: 2px;
}

/* 向后兼容旧类名（动态节点若仍带 __user/__button 也保持图2样式） */
.sv-site-header .sv-site-nav .sv-site-nav__user {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.26);
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sv-site-header .sv-site-nav .sv-site-nav__button {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--sv-nav-muted);
  border: none;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
}

.sv-site-header .sv-site-nav .sv-site-nav__button:hover {
  color: var(--sv-nav-hover);
  background: rgba(255, 255, 255, 0.12);
}

.sv-site-header .sv-site-nav .sv-site-nav__button:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.9);
  outline-offset: 2px;
}

@media (max-width: 720px) {
  .sv-site-header__inner {
    height: auto;
    min-height: var(--sv-nav-height);
    padding-top: 10px;
    padding-bottom: 10px;
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .sv-site-leading {
    width: 100%;
    min-width: 0;
    gap: 8px;
  }

  .sv-nav-search {
    flex: 1;
    margin-right: 0;
  }

  .search-input-wrap {
    width: auto;
    min-width: 0;
  }

  .sv-site-nav {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .sv-site-nav__auth-divider {
    display: none;
  }
}
