/* ==========================================================================
   hh-cta —— 全站统一 CTA 深蓝渐变横幅（FAQ 上方转化条）
   精修版：品牌蓝渐变（#062A6E → #0B47B8 → #2B7AF5），取代原 Tailwind
   blue-700 → indigo-700（右端偏紫、与品牌蓝不是一套）。
   自包含，不依赖 Tailwind 运行时。
   结构：
   <section class="hh-cta reveal">
     <span class="hh-cta__glow hh-cta__glow--a"></span>
     <span class="hh-cta__glow hh-cta__glow--b"></span>
     <span class="hh-cta__grid"></span>
     <div class="hh-cta__inner">
       <div class="hh-cta__badge"><span class="hh-cta__dot"></span>文案</div>
       <h2 class="hh-cta__title">…</h2>
       <p class="hh-cta__lead">…</p>
       <div class="hh-cta__btns">
         <a class="hh-cta__btn hh-cta__btn--primary" href="…"><svg…/>文案</a>
         <a class="hh-cta__btn hh-cta__btn--ghost"   href="…"><svg…/>文案</a>
       </div>
       <div class="hh-cta__trust"><span><svg…/>文案</span>…</div>
     </div>
   </section>
   ========================================================================== */

.hh-cta {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    padding: 76px 0 72px;
    background: linear-gradient(135deg, #062a6e 0%, #0b47b8 48%, #2b7af5 100%);
    color: #fff;
    text-align: center;
}

/* 装饰层：品牌蓝光晕 + 细点阵 */
.hh-cta__glow {
    position: absolute;
    border-radius: 9999px;
    filter: blur(72px);
    pointer-events: none;
    z-index: 0;
}

.hh-cta__glow--a {
    top: -110px;
    left: -70px;
    width: 340px;
    height: 340px;
    background: rgba(43, 122, 245, .55);
}

.hh-cta__glow--b {
    bottom: -160px;
    right: -90px;
    width: 430px;
    height: 430px;
    background: rgba(0, 82, 217, .5);
}

.hh-cta__grid {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: .1;
    background-image: radial-gradient(circle, rgba(255, 255, 255, .85) 1px, transparent 1px);
    background-size: 26px 26px;
    mask-image: radial-gradient(ellipse at center, #000 35%, transparent 78%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 35%, transparent 78%);
}

.hh-cta__inner {
    position: relative;
    z-index: 1;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 徽标（有则显示） */
.hh-cta__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 22px;
    padding: 7px 16px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 9999px;
    background: rgba(255, 255, 255, .12);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: #e6efff;
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1.5;
}

.hh-cta__dot {
    position: relative;
    flex: none;
    width: 7px;
    height: 7px;
    border-radius: 9999px;
    background: #5ee9a8;
}

.hh-cta__dot::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 9999px;
    background: #5ee9a8;
    animation: hh-cta-ping 1.7s cubic-bezier(0, 0, .2, 1) infinite;
}

@keyframes hh-cta-ping {
    0% { transform: scale(1); opacity: .7; }
    75%, 100% { transform: scale(2.6); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .hh-cta__dot::after { animation: none; }
}

/* 标题 / 副文 */
.hh-cta__title {
    margin: 0 0 16px;
    color: #fff;
    font-size: clamp(26px, 4.2vw, 44px);
    font-weight: 900;
    line-height: 1.18;
    letter-spacing: -.01em;
    text-wrap: balance;
}

.hh-cta__lead {
    max-width: 640px;
    margin: 0 auto 34px;
    color: #cfdfff;
    font-size: 17px;
    line-height: 1.72;
    text-wrap: balance;
}

.hh-cta__br { display: none; }

@media (max-width: 767px) {
    .hh-cta__br { display: inline; }
}

/* 按钮组 —— 全部为真 <a>，可右键新窗口、可键盘聚焦 */
.hh-cta__btns {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.hh-cta__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 16px 36px;
    border: 1.5px solid transparent;
    border-radius: 9999px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease;
}

.hh-cta__btn svg {
    width: 17px;
    height: 17px;
    flex: none;
    fill: currentColor;
}

.hh-cta__btn--primary {
    background: #fff;
    color: #0b47b8;
    box-shadow: 0 14px 30px -10px rgba(3, 26, 71, .7);
}

.hh-cta__btn--primary:hover {
    background: #f1f7ff;
    color: #0836a0;
    transform: translateY(-2px);
    box-shadow: 0 20px 38px -12px rgba(3, 26, 71, .75);
}

.hh-cta__btn--ghost {
    border-color: rgba(255, 255, 255, .45);
    background: rgba(255, 255, 255, .1);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    color: #fff;
}

.hh-cta__btn--ghost:hover {
    border-color: rgba(255, 255, 255, .78);
    background: rgba(255, 255, 255, .2);
    transform: translateY(-2px);
}

.hh-cta__btn:focus-visible {
    outline: 3px solid #9cc2ff;
    outline-offset: 3px;
}

/* 信任条（有则显示） */
.hh-cta__trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 28px;
    margin-top: 30px;
    color: #cfdfff;
    font-size: 14px;
    line-height: 1.6;
}

.hh-cta__trust span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.hh-cta__trust svg {
    width: 15px;
    height: 15px;
    flex: none;
    fill: #7fe3b4;
}

/* 窄屏 */
@media (max-width: 640px) {
    .hh-cta { padding: 56px 0 52px; }
    .hh-cta__lead { font-size: 15.5px; margin-bottom: 28px; }
    .hh-cta__btns { flex-direction: column; }
    .hh-cta__btn { width: 100%; padding: 15px 24px; }
    .hh-cta__trust { gap: 8px 18px; margin-top: 26px; font-size: 13px; }
}
